differences between 74xx, 74lxx, 74lsxx, etc digital ics/digital... · differences between 74xx,...

Differences between 74xx, 74Lxx, 74LSxx, etc

Differences between 74xx, 74Lxx, 74LSxx, etc Input characteristics for various types. Family RA IH IL 74xx 4K 40 uA -1.6 mA74ALSxx 40K 20 uA -0.1 mA74ASxx 8K 20 uA -0.5 mA74Hxx 2.8K 50 uA -2.0 mA74Lxx 40K 10 uA -0.18 mA74LSxx 18K 20 uA -0.4 mA74Sxx 2.8K 50 uA -2.0 mA Output characteristics for various types. Family OH OL 74xx 400 uA -16 mA74ALSxx 200 uA -1.0 mA74ASxx 200 uA -5.0 mA74Hxx 500 uA -20 mA74Lxx 100 uA -1.8 mA74LSxx 200 uA -4.0 mA74Sxx 500 uA -20 mA Buffers typically drive four times the above values. Fanout and drive capability between families drive driven

file://///Winnt/Departments/Slot%20Department/Trai.../Digital%20Electronics/Digital%20Book/TTL_LIST.htm (1 of 26) [5/16/2003 3:01:52 PM]


74xx 74ALS 74ASxx 74Hxx 74LSxx 74Sxx74xx 10 80 80 8 40 874ALSxx 5 40 40 4 20 474ASxx 12 100 100 10 50 1074Hxx 12 100 100 10 50 1074LSxx 5 40 40 4 20 474Sxx 12 100 100 10 50 1074Lxx

Speed (clock frequency for a simple gate) Family 74xx 35 MHz74ALSxx 50 MHz74ASxx 175 MHz74Hxx 50 MHz74Lxx 3 MHz74LSxx 45 MHz74Sxx 125 MHz NOTE: Not all parts with 74xxx numbers are TTL. 74Cxx, 74HCxx, 74HCTxx, and anything with a C in the number are CMOS architecture, not TTL. These usually have the same pinout and function as the TTL device with the same number (USUALLY).



74HCxx “High speed” CMOS. CMOS devices were initially really slow, topping out at low single-digit MHz. HC devices could operate at higher speeds, but not quite getting to TTL speeds.74HCTxx “High speed CMOS, TTL compatible. CMOS outputs drive rail-to-rail. TTL drives low to the rail, but the outputs only went high to about 3.5 V. CMOS devices couldn’t drive heavy output currents. CMOS outputs were limited to about 1 mA high and low. So, you could drive one low power TTL input from a CMOS output. Driving from TTL to CMOS required using a open-collector output and a pull-up resistor to assure that the output went sufficiently high. CMOS could run from about 3 V to 12 V on VCC. TTL was limited to 4.5 V to 5.5 V. 74HCTxxx devices were a family of High speed CMOS that were TTL voltage compatible.74LVCxx These are a family of low-voltage VCC (2 V to 3.6 V) that otherwise conformed to TTL pinout and part number standards.74ABTxxx These are a family of CMOS devices with bipolar buffered outputs, and capable of driving up to 64 mA of output current. They are also relatively fast, with propagation delays in the range of 5 ns.74BCTxxx These are a family similar ton 74ABTxxx devices, but with drive currents up to 188 mA.

fmax - Maximum clock frequency.ICC - Typical supply current for VCC. ICCH is with all outputs High. ICCL is for all outputs Low.



IIH - Input current with a High in.IIL - Input current with a Low in.IOH - Output drive current capability with a high out.IOL - Output drive current capability with a Low out.IOS - Output current with the output shorted to ground and attempting to drive High. Typical VCC is 5.0 VDC. Absolute max VCC is 7.0 VDC, but VIN should not exceed 5.5 V, in any case.Open collector devices can drive voltages higher than VCC. Normally this is about 7.0 VDC. (7416, 7417, and 7426 can drive to 15 VDC; 7406, 7407 can drive to 30 VDC.)

Unused Inputs Most inputs have a diode in the input that prevents the input from exceeding VCC, or going more negative than ground. This is part of the architecture of the substrate. Under many circumstances, unused inputs have been tied directly to VCC. This is not a good practice. Failure can occur, and finding out which input failed on a board of 100 ICs isn't a pleasant thought. Better ideas 1) Connect unused inputs to an independent supply voltage of 3.5 to 4.vI.



2) Connect them to another input of equal function. Such as tying both inputs of a NAND together to make it an inverter (in stead of tying it high by some other method). Watch out for loading characteristics when using this method. Make sure the driving IC can handle the extra load. 3) Connect it to VCC through a resistor. The value of the resistor isn't doesn't have to be very specific. 1K for 74xx, a little lower for 74Hxx and 74Sxx, up to 10K for 74Lxx, 74ALSxx.This method gives you the most flexibility for troubleshooting. The input tied to a pull up resistor can be used to note a bad device, or may be used to input a signal for troubleshooting. 4) Connect them to an output that never goes low. Watch fanout so you don't over drive the gate. This is a good application for unused gates on the board. Tie the input of a unused Inverter to ground and use the output to tie unused inputs to. Don't let them float. An unused input floats to about 3 V, and can act as an antenna, picking up stray signals. Real unpredictable, because this may not happen on the manufacturing floor, but in the field the environment may have more noise.

Schmitt Triggers On normal inputs, a valid Low In is anything below about 0.3 Volts, and a valid High In is anything about 3.5 Volts. Anything in between these levels is vague. A good square wave only stays here for nano-



seconds, so this isn't usually a problem. But not all signals on a board are this clean. Input signals from off the board can a well rounded leading edge (low frequency loss), or a erratic wave form that isn't a good square wave. A Schmitt trigger is designed to narrow this range of uncertainty. The input is designed to see anything below 0.9 volts as a low. Anything above 1.6 Volts is a High. This window between 0.9 Volts and 1.7 Volts has a hysteresis characteristic. When the signal is going high, it isn't called a valid high until it reaches 1.7 Volts. It won't be called a low until it goes down below 0.9 Volts. These have good application for cleaning up inputs from switches, oscillators, RC timing circuits, or taking 60 Hz and outputing a nice clean square wave. Edge triggers, level triggers, strobes, and enables An edge triggered latch is one that acts on the rising (leading) edge, or the falling (trailing) edge of a pulse. What ever the data input is at the time of the transition is what the latch gets set to. On level triggered latches the output will follow the input as long as the clock is at its active level. When the clock goes away, the latch stays in what ever state it was last in. Both require a certain set-up time that the data must be stable before the clock latches the data. See Setup Time.



A strobe input usually indicates there is not latching function involved with this signal. It is an enable signal that effects the output of a gate. The term Enable usually refers to an input function that is being effected. These terms are not universally accepted, but popular used with this definition. In simpler gates, either term is used (like Tri-state drivers). Generally, outputs are Strobed, inputs are Enabled. Memory devices tend to use Enable for either inputs or outputs.

Drivers and buffers These terms have overlapping definitions. In general, a Buffer has a higher drive current capability than normal gates, by a factor of four. Instead of a fanout of ten, they have a fanout of forty. The term Buffer is also used to describe a non-inverting gate that isolates two circuits while still allowing signal transfer. Like a Buffer stage is used between oscillators and the circuits they drive. This prevents the driven circuits from loading down the oscillator. Address Buffers are used between the CPU and the Address Bus to keep the Address Bus from loading down the CPU, usually only capable of driving a milli-Amp or so. Same for Data Bus Buffers. Driver is a term usually used to identify output circuits that drive high current loads (50 Ma to hundreds of Ma, or more). However, some manufacturers refer to Bus Drivers, and Clock Drivers. The terms do not have universally accepted definitions, and can be easy to confuse. In either case the term refers to something with higher than normal drive current



capability, and/or breakdown voltage of the output transistor.

Excess-3 and Grey code decoders Grey code is a code that has no more than one bit changing as the count progresses. Excess-3 Grey is a modified Grey code that starts at a Grey code 3 (0010) and progresses, again, changing no more than one bit at a time. A 7444 is a Excess-3 Grey code decode, 7443 is Excess-3 decoder. Both of these only decode the first 10 (0 to 9) codes. Typical application of these were to decode the position of a wheel. A pattern on the wheel contained the Grey code of progression. If a proper binary pattern were used, having more than one bit changing at a time would cause ambiguity when the wheel is changing counts. In Grey codes, only one bit position is changing at a time, giving a count with less ambiguity. You might note that in Excess-3 Grey the code from 0 (0010) to 9 (1010) may be cycled through fully, without changing more than one bit at a time. Grey code Excess-3 Grey (7444)IN OUT IN OUTDCBA DCBA 0000 0 0010 0 (3 in Grey code)0001 1 0110 10011 2 0111 20010 3 0101 30110 4 0100 4



0111 5 1100 50101 6 1101 60100 7 1111 71100 8 1110 81101 9 1010 91111 A 1011 A1110 B 1001 B1010 C 1000 C1011 D 0000 D1001 E 0001 E1000 F 0011 F

Default descriptions include Totem-Pole output, standard inputs. Unless otherwise noted OC (Open Collector) devices have a breakdown of 7 VDC. Specific family of devices (74Lxx, 74LSxx, etc) have been ignored for the purposes of this list. You should be aware that not all devices are available in all families. Drive current characteristics stated are for the 74xx family. OC - Open Collector output.PI - Parallel in.PO - Parallel out.SI - Serial in.SL - Shift left.SO - Serial out.



SR - Shift right (if it is a shift register).SR - Set - Reset latch (if it is a latch).TS - Tri-state.PU - Pull up, passive.PD - Pull down, passive.

7400 Quad 2 input NAND.7401 Quad 2 input NAND, OC.7402 Quad 2 input NOR.7403 Quad 2 input NAND, OC. Different pinout than 7401.7404 Hex inverter.7405 Hex inverter, OC.7406 Hex inverter, OC, 30V, 40 mA.7407 Hex buffer, OC, 30V, 40 mA.7408 Quad 2 input AND.7409 Quad 2 input AND, OC.7410 Triple 3 input NAND.7411 Triple 3 input AND.7412 Triple 3 input NAND, OC.7413 Dual 4 input Schmitt Trigger NAND.7414 Hex inverter Schmitt Trigger.7415 Triple 3 input AND, OC.7416 Hex inverter, OC, 15V, 40 mA.7417 Hex buffer, OC, 15V, 40 mA.7418 Dual 4 input NAND Schmitt Trigger.7419 Hex Schmitt Trigger inverter.7420 Dual 2 input NAND.7421 Dual 4 input AND.7422 Dual 4 input NAND, OC.7423 Expandable dual 4 input NOR, with strobe. Use 7460, or 7462 to expand.7424 Quad 2 input NAND Schmitt Trigger.7425 Dual 4 input NOR, with strobe.7426 Quad 2 input TTL to MOS driver, OC, 15V, 16 mA.7427 Triple 3 input NOR.7428 Quad 2 input NOR buffer, 48 mA.7430 8 input NAND.7431 Delay elements. See separate data sheet for more information.7432 Quad 2 input OR.7433 Quad 2 input NOR buffer, OC, 48 mA.7434 Hex buffer (non-inverter).7435 Hex buffer (non-inverter), OC.7437 Quad 2 input NAND buffer, 48 mA.7438 Quad 2 input NAND buffer, OC, 48 mA.7439 Quad 2 input NAND super buffer, 60 mA.7440 Dual 4 input buffer, 48 mA.

file://///Winnt/Departments/Slot%20Department/Tra...Digital%20Electronics/Digital%20Book/TTL_LIST.htm (10 of 26) [5/16/2003 3:01:52 PM]


7441 BCD to decimal decoder, high voltage driver (Nixie driver).7442 BCD to decimal decoder.7443 Excess-3 to decimal decoder. (see separate data sheet for more info).7444 Excess-3 Grey to decimal decoder. (see separate data sheet for more info).7445 BCD to decimal decoder, OC, 30 V, 80 mA.7446 BCD to 7 segment decoder, OC, 30 V.7447 BCD to 7 segment decoder, OC, 15 V.7448 BCD to 7 segment decoder, passive pullup output.7449 BCD to 7 segment decoder, OC.7450 Dual, 2 wide, 2 input AND-OR-Invert, one gate expandable. (use 7460, or 7462 to expand)7451 Dual, 2 wide, multiple input AND-OR-Invert. (input configuration varies, see data sheet)7452 Expandable 4 wide (2,3,2,2) AND-OR gate. (for more info see data sheet). (use 7461, or 7462)7453 Expandable 4 wide, multiple input AND-OR-Invert gate. (use 7460) (conf varies, see data sheet).7454 4 wide AND-OR-Invert gate. (Configuration varies, see data sheet).7455 2 wide, 4 input AND-OR-Invert gate. (Configuration varies, see data sheet).7456 50 to 1 frequency divider.7457 60 to 1 frequency divider.7459 Dual 2 wide, 2,3 input AND-OR-Invert gate.7460 Dual 4 input AND expander for 7423, 7450, 7453.7461 Triple 3 input AND expander for 7452.7462 4 wide, 2,3,3,2 input AND-OR expander for 7423, 7450, 7453.7463 Hex current sensing interface receivers, <50 uA is low, > 200 uA is a high.7464 4 wide, 4,2,3,2 input, AND-OR-Invert gate.7465 4 wide, 4,2,3,2 input, AND-OR-Invert gate, OC.7468 Dual 4 bit decade counter.7469 Dual 4 bit binary counter.7470 AND gated J-K, + edge triggered Flip flop, w/ preset and clear.7471 AND gated J-K, + level triggered Flip flop, w/ preset. (varies, see data sheet).7472 AND gated J-K, + level triggered Master-Slave Flip flop, w/ preset and clear.7473 Dual J-K Flip flop, with clear. (Clock varies, see data sheet).7474 Dual D-type + edge triggered flip flop w/ preset and clear.

7475 4 bit bi-stable latch. 2 sets of two, separate clocks, for each pair.7476 Dual J-K flip flop with preset and clear.7477 4 bit bi-stable latch. 2 sets of two, separate clocks, for each pair.7478 Dual J-K flip flop with preset, common clear, common clock.7480 Gated full adder.7481 16 bit (4 x 4) RAM, storage register. Direct write input.7482 Two bit binary full adder.7483 4 bit binary full adder and dual single bit binary full adder.7484 16 bit (4 x 4) RAM, storage register. Strobed write input.7485 4 bit magnitude comparator.7486 Quad 2 input Exclusive OR.7487 4 bit True - Complement element.7488 256 bit Read Only Memory, OC, mask programmed.7489 64 bit RAM, 16 address, four bit wide.7490 Decade counter.7491 8 bit shift register.



7492 Divide by 12 counter.7493 4 bit binary counter.7494 4 bit shift register, with dual asynchronous presets.7495 4 bit shift register, PI, PO, SR, SL, SI.7496 5 bit shift register.7497 Synchronous 6 bit Binary Rate Multiplier.7498 Quad 2 to 1 multiplexer, registered output.7499 4 bit bi-directional shift register.74100 Dual 4 bit bi-stable latch.74101 Single J-K, - edge triggered flip flop with AND-OR gated inputs, w/ preset.74102 Single J-K, - edge triggered flip flop with AND gated inputs, w/ preset, clear.74103 Dual J-K, - edge triggered flip flop, w/ clear.74104 Single J-K, Master - Slave flip flop with AND gated inputs, w/ preset, clear.74105 Single J-K, Master - Slave flip flop with AND gated inputs, w/ preset, clear.74106 Dual J-K, - edge triggered flip flop, w/ preset, clear.74107 Dual J-K flip flop, w/ clear. (clock varies, see data sheet).74108 Dual J-K, - edge triggered flip flop, w/ common clear, separate presets.74109 Dual J-K, + edge triggered flip flop, w/ preset and clear.74110 Single J-K, + edge triggered flip flop with AND gated inputs, w/ preset, clear.74111 Dual J-K, + edge triggered flip flop, w/ preset and clear.74112 Dual J-K, - edge triggered flip flop, w/ preset and clear.74113 Dual J-K, - edge triggered flip flop, w/ preset.74114 Dual J-K, - edge triggered flip flop, w/ preset, common clear and clock.74116 Dual 4 bit latch.74118 Hex S-R latch, common -Reset, active low input. (ITT74118)74120 Dual pulse synchronizer and driver.74121 Monostable multivibrator.74122 Retriggerable monostable multivibrator, with clear.74123 Dual retriggerable monostable multivibrator, with clear.74124 Dual voltage controlled oscillator.74124 Dual pulse generator, (ITT74124, ITT54124)74125 Quad TS bus buffer. Each with separate low enable.74126 Quad TS bus buffer. Each with separate high enable.74128 Quad 50 ohm line driver.74130 Quad 2 input AND power driver, 30 V, OC out, 100 mA., (ITT74130, ITT54130), 7408 pinout74131 Quad 2 input AND power driver, 15 V, OC out, 100 mA., (ITT74131, ITT54131), 7408 pinout74131 3 to 8 line decoder, with 3 bit address register.74132 Quad 2 input NAND Schmitt trigger.74133 13 input NAND.74134 12 input NAND, with TS output.74135 Quad Exclusive OR or NOR, with select input to choose.74135 Quad 2 input NAND Schmitt Trigger, 74L compat., 15 V operation, (ITT74135, ITT54135), 74132 pinout74136 Quad Exclusive OR with OC out.74137 3 to 8 line decoder, with 3 bit address latch.74137 Hex inverter, Schmitt Trigger, 74L compat., 15 V operation, (ITT74137, ITT54137), 7414 pinout74138 3 to 8 line decoder.74138 Quad 2 input OR power driver, 30 V, OC out, 100 mA., (ITT74138, ITT54138), 7432 pinout



74139 Dual 2 to 4 line decoder.74139 Quad 2 input OR power driver, 15 V, OC out, 100 mA., (ITT74139, ITT54139), 7432 pinout74140 Dual 4 input NAND 50 ohm line drivers.74141 BCD to decimal decoder, and driver, OC, 60 V, 7 mA (Nixie).74142 Decade counter, latch, with BCD to decimal decoder, OC, 55 V, 7 mA.74143 Decade counter, latch, with BCD to 7 segment decoder, OC, 7 V, 15 mA.74144 Decade counter, latch, with BCD to 7 segment decoder, OC, 15 V, 25 mA.74145 BCD to decimal decoder, OC, 15 V, 80 mA.74147 10 line to 4 line BCD priority encoder.74148 8 line to 3 line priority encoder.74150 16 to 1 multiplexer.74151 8 to 1 multiplexer, complementary outputs.74152 8 to 1 multiplexer.74153 Dual 4 to 1 multiplexer.74154 4 line to 16 line demultiplexer.

74155 Dual 2 to 4 line demultiplexer, common A and B inputs.74156 Dual 2 to 4 line demultiplexer, common A and B inputs, OC.74157 Quad 2 to 1 multiplexer.74158 Quad 2 to 1 multiplexer, inverting.74159 4 to 16 line demultiplexer, OC.74160 Synchronous decade counter, with clear.74161 Synchronous binary counter, with clear.74162 Synchronous decade counter, with synchronous clear.74163 Synchronous binary counter, with synchronous clear.74164 8 bit parallel out shift register, serial in.74165 8 bit parallel in shift register, serial out.74166 8 bit PI, SI, SO shift register.74167 Synchronous decade rate multiplier, 4 bit rate control.74168 4 bit up / down decade counter.74169 4 bit up / down binary counter.74170 16 bit register file. 4 address, 4 bit wide, OC.74171 Quad D-type flip flop, with clear, complementary outputs.74172 16 bit register file. 8 address, 2 bit wide, TS.74173 4 bit D-type register, TS.74174 Hex D-type flip flop, common clock and clear.74175 Quad D-type flip flop, common clock and clear, complementary outputs.74176 Presettable decade (bi-quinary) counter.74177 Presettable binary counter.74178 4 bit shift register, SI, PI, SO, PO.74179 4 bit shift register, SI, PI, SO, PO, complementary D output.74180 9 bit odd or even parity generator or checker.74181 4 bit arithmetic and logic unit (ALU).74182 Look ahead carry generator for 74181.74183 Dual carry - save full adder.74184 BCD to binary code converter.74185 Binary to BCD code converter.74187 1024 bit ROM (256 x 4), OC, 40 ns, (mask programmed ?).



74188 256 bit PROM (32 x 8), OC, 40 ns.74189 64 bit RAM (16 x 4), TS.74190 Synchronous up / down decade counter, presettable.74191 Synchronous up / down binary counter, presettable.74192 Synchronous up / down decade counter, with clear, presettable.74193 Synchronous up / down binary counter, with clear, presettable.74194 4 bit shift register, SI, SO, PI, PO, SL, SR.74195 4 bit shift register, SI (JK), SO (complementary D output, SO, PI, PO, SL, SR.74196 4 bit shift register, SI, SO, PI, PO.74197 Presettable binary counter and latch.74198 8 bit bi-directional shift register, SI, SO, PI, PO, SR, SL.74199 8 bit bi-directional shift register, SI (JK), SO, PI, PO.74200 256 bit RAM (256 x 1), OC.74201 256 bit RAM (256 x 1), TS.74219 64 bit RAM (16 x 4), TS.74221 Dual monostable multivibrator.74222 64 bit FIFO (16 x 4), TS, Input Ready and Output Ready enable inputs.74224 64 bit FIFO (16 x 4), TS.74225 80 bit FIFO (16 x 5), TS.74226 4 bit parallel latched bus transceiver.74227 64 bit FIFO (16 x 4), OC Input Ready and Output Ready enable inputs.74228 64 bit FIFO (16 x 4), OC.74229 80 bit FIFO (16 x 5), TS.74230 Dual 4 wide TS buffers, one inverts, the other doesn't, low enable.74231 Dual 4 wide TS buffers, both invert, one low enable, one high enable.74232 64 bit FIFO (16 x 4), TS.74233 80 bit FIFO (16 x 5), TS.74237 3 line to 8 line decoder with input address latches.74238 3 line to 8 line decoder.74239 Dual 2 line to 4 line decoder.74240 Dual 4 wide TS buffers, inverters, both low enable.74241 Dual 4 wide TS buffers, non-inverters, one low enable, one high enable.74242 Quad bus transceiver, TS, inverting.74243 Quad bus transceiver, TS, non-inverting.74244 Dual 4 wide TS buffers, non-inverters, both low enable.74245 Octal bus transceiver, low enable, non-inverting.74246 BCD to 7 segment decoder, OC, 30 V, 40 mA. (Improved 7446)74247 BCD to 7 segment decoder, OC, 15 V, 40 mA. (Improved 7447)

74248 BCD to 7 segment decoder, passive pullup output, 5.5 V, 6.4 mA.74249 BCD to 7 segment decoder, OC, 5.5 V, 10 mA.74250 16 to 1 multiplexer, TS.74251 8 to 1 multiplexer, TS, complementary output.74253 Dual 4 to 1 multiplexer, TS, common selection, separate enables.74254 Quad 2 to 1 multiplexer, TS.74257 Quad 2 input multiplexer, TS.74258 Quad 2 to 1 multiplexer, TS, inverting.



74259 8 bit addressable latch.74260 Dual 5 input NOR.74262 2 bit by 4 bit binary multiplier.74264 Look ahead carry generator.74265 Quad complementary output element.74266 Quad 2 input Exclusive NOR, OC.74268 Hex D-Type latch.74273 Octal D-Type latch, common + edge clock and clear.74274 4 bit by 4 bit binary multiplier.74276 Quad J-K flip flops, common preset and clear, separate - edge clock.74278 4 bit cascadable priority register.74279 Quad SR latch, active low inputs.74280 9 bit odd / even parity generator and checker.74281 4 bit parallel binary accumulator (ALU).74282 Look Ahead Carry generator for 74281.74283 4 bit binary full adder.74284 4 bit by 4 bit binary multiplier, partial (use with 74285).74285 4 bit by 4 bit binary multiplier, partial (use with 74284).74286 9 bit odd / even parity generator and checker, with bus driver parity I/O.74287 1,024 bit PROM (256 x 4), TS.74288 256 bit PROM (32 x 8), TS.74289 64 bit RAM (16 x 4), OC.74290 Decade counter (bi-quinary) Improved 7490.74292 Programmable frequency divider, digital timer. 5 bit.74293 4 bit binary counter. Improved 7493.74294 Programmable frequency dividers, digital timers. 4 bit.74295 4 bit bi-directional shift register.74297 Digital phase locked loop.74298 Quad 2 input multiplexer, with latch.74299 8 bit bi-directional shift register, bi-directional parallel lines.74301 256 bit RAM (256 x 1), OC.74319 64 bit RAM (16 x 4), OC.74320 Crystal controlled oscillator, with complementary outputs.74321 Crystal controlled oscillator, with complementary outputs, and F/2, F/4 outputs.74322 8 bit shift register with sign extend, TS, bi-directional PI PO.74323 8 bit shift register, bi-directional PI PO.74347 BCD to 7 segment decoder and driver, 7 V, 24 mA (for 74LS347), OC.74348 8 line to 3 line priority encoder, TS.74350 4 bit shift register element.74351 Dual 8 line to 1 line multiplexer, TS four common data inputs.74352 Dual 4 to 1 multiplexer. Inverting version of 74153.74353 Dual 4 to 1 multiplexer, TS, inverting version of 74253.74354 8 to 1 multiplexer, transparent register, TS.74355 8 to 1 multiplexer, transparent register, OC.74356 8 to 1 multiplexer, + edge triggered register, TS.74357 8 to 1 multiplexer, + edge triggered register, OC.74365 Hex TS bus driver, low enables, non-inverting.



74366 Hex TS bus driver, low enables, inverting.74367 Hex TS bus driver (one 4 element, one two element), low enables, non-inverting.74368 Hex TS bus driver (one 4 element, one two element), low enables, inverting.74373 Octal D latch, TS, low out enable, + level clock.74374 Octal D flip flop, TS, low out enable, + edge clock.74375 4 bit bi-stable latch, two sections of 2 flip flops.74376 Quad J-K flip flop, common clock and clear. K input is active low.74377 Octal D-Type flip flop, common + edge clock, and low enable to set, not TS.74378 Hex D-Type flip flop, common + edge clock, and low enable to set, not TS.74379 Quad D-Type flip flop, common + edge clock, and low enable to set, not TS.74381 4 bit ALU.74382 4 bit ALU with built in look ahead carry.74384 8 bit by 1 bit two's complement multiplier.74385 Quad serial adders and subtractors.74386 Quad 2 input Exclusive OR.

74387 1,024 bit PROM (256 x 4), OC.74390 Dual decade counter, bi-quinary or BCD.74393 Dual 4 bit binary counter.74395 4 bit shift register, TS, complementary D output.74396 Octal storage register. Stores two 4 bit values.74398 Quad 2 input multiplexer with storage, complementary outputs.74399 Quad 2 input multiplexer with storage.74412 8 bit latch, with handshaking, multiple mode (8212).74422 Retriggerable monostable multivibrator.74423 Dual retriggerable monostable multivibrator74424 8080 clock control.74425 Quad TS buffers, separate low enables, non-inverting.74426 Quad TS buffers, separate high enables, non-inverting.74428 8080 system controller (8228).74436 Hex high current driver (150 mA/1 mA for 74S436), totem pole output.74437 (ditto 74436, but 74436 has an internal damp resistor, 437 doesn't).74440 Quad bi-directional bus transceiver, OC, non-inverting.74441 Quad bi-directional bus transceiver, OC, inverting.74442 Quad bi-directional bus transceiver, TS, non-inverting.74443 Quad bi-directional bus transceiver, TS, inverting.74444 Quad bi-directional bus transceiver, TS, inverting and non-inverting.74445 BCD to decimal decoder, OC, 7 V, 80 mA.74446 Quad bi-directional bus transceiver, TS, inverting.74447 BCD to 7 segment decoder. 7 V, 1.6 mA (74LS447) version of 7447, OC.74448 Quad tri-directional bus transceiver, OC, inverting and non-inverting.74449 Quad bi-directional bus transceiver, TS, non-inverting.74455 .74456 .74465 Octal buffer, TS, 2 low enables, non-inverting.74466 Octal buffer, TS, 2 low enables, inverting.74467 Dual 4 wide buffer, TS, low enables, non-inverting.74468 Dual 4 wide buffer, TS, low enables, inverting.



74472 4,096 bit PROM (512 x 8), TS.74473 4,096 bit PROM (512 x 8), OC.74474 4,096 bit PROM (512 x 8), TS.74475 4,096 bit PROM (512 x 8), OC.74481 4 bit slice cascadable processor element.74482 4 bit slice expandable control element.74484 BCD to binary code converter.74485 Binary to BCD code converter.74490 Dual decade counter.74518 8 bit identity comparator, OC, active high out, input pull up resistor.74519 8 bit identity comparator, OC, active high out.74520 8 bit identity comparator, active low out, input pull up resistor.74521 8 bit identity comparator, active low out.74522 8 bit identity comparator, OC, active low out, input pull up resistor.74526 Fuse programmable 16 bit identity comparator.74527 Fuse programmable 8 bit identity comparator, and 4 bit comparator.74528 Fuse programmable 12 bit identity comparator.74533 Octal D-type latch, TS, inverting, + level clock.74534 Octal D-type latch, TS, inverting, + edge clock.74538 3 line to 8 line decoder, TS, output polarity control.74539 Dual 2 line to 4 line decoder, TS, output polarity control.74540 Octal TS buffers, line drivers, inverting. Equal drive current high or low, low enables.74541 Octal TS buffers, line drivers, non-inverting. Equal drive current high or low, low enables.74543 .74544 .74560 Synchronous decade counter, asynchronous clear, TS.74561 Synchronous binary counter, asynchronous clear, TS.74563 Octal D-Type transparent latch, TS, inverting, + level clock, low enable.74564 Octal D-Type flip flop, TS, inverting, + edge clock, low enable.74568 4 bit synchronous decade up / down counter, asynchronous clear.74569 4 bit synchronous binary up / down counter, asynchronous clear.74570 2,048 bit PROM (512 x 4), OC.74571 2,048 bit PROM (512 x 4), TS.74572 4,096 bit PROM (1,024 x 4), OC.74573 4,096 bit PROM (1,024 x 4), TS.74573 Octal D-Type transparent latch, TS, + level clock, low enable.74574 Octal D-Type flip flop, TS, + edge clock, low enable.74575 Octal D-Type flip flop, with low clear, TS, + edge clock, low enable.

74576 Octal D-Type flip flop, TS, + edge clock, low enable, inverting.74577 Octal D-Type flip flop, TS, + edge clock, low enable, inverting, with clear.74580 Octal D-Type transparent latch, TS, + level clock, low enable, inverting.74589 8 bit shift register with input latches, TS.74590 8 bit binary counter, with latchable outputs, TS.74591 8 bit binary counter, with latchable outputs, OC.74592 8 bit binary counter with input register.74593 8 bit binary counter with input register, bi-directional data lines.



74594 8 bit shift register with output latch, PI, PO, SI, SO.74595 8 bit shift register with output latch, PI, PO, SI, SO. TS out.74596 8 bit shift register with output latch, PI, PO, SI, SO. OC out.74597 8 bit shift register with input latch, PI, PO, SI, SO.74598 8 bit shift register with input latch, PI, PO, SI, SO. TS out.74599 8 bit shift register with output latch, PI, PO, SI, SO. OC out.74600 Memory refresh controller for 4K or 16K dynamic RAM, TS A0 - A6. Burst or transparent mode.74601 Memory refresh controller for 64K dynamic RAM, TS A0 - A7. Burst or transparent mode.74602 Memory refresh controller for 4K or 16K dynamic RAM, TS A0 - A6. Burst or cycle steal mode.74603 Memory refresh controller for 64K dynamic RAM, TS A0 - A7. Burst or cycle steal mode.74604 Dual 8 bit registers with multiplexed output, TS, high speed.74605 Dual 8 bit registers with multiplexed output, high speed.74606 Dual 8 bit registers with multiplexed output, TS, glitch free.74607 Dual 8 bit registers with multiplexed output, glitch free.74608 Memory cycle controller for dynamic RAM.74610 Paged memory mapper, latched output, TS.74611 Paged memory mapper, latched output, OC.74612 Paged memory mapper, non-latched output, TS.74613 Paged memory mapper, non-latched output, OC.74616 16 bit parallel error detection and correction. TS.74617 16 bit parallel error detection and correction. OC.74618 Triple 3 input NAND Schmitt trigger.74619 Octal Schmitt Trigger inverters.74620 Octal bus transceiver, TS, inverting.74621 Octal bus transceiver, OC, non-inverting.74622 Octal bus transceiver, OC, inverting.74623 Octal bus transceiver, TS, non-inverting.74624 Voltage controlled oscillator. Common OSC and VCC power. Complementary outputs.74625 Dual voltage controlled oscillator. Separate OSC and VCC power. Complementary outputs.74626 Dual voltage controlled oscillator. Common OSC and VCC power. Complementary outputs.74627 Dual voltage controlled oscillator. Separate OSC and VCC power.74628 Voltage controlled oscillator. Common OSC and VCC power. Complementary outputs74629 Dual voltage controlled oscillator. Common OSC and VCC power.74630 16 bit parallel error detection and correction circuit. TS.74631 16 bit parallel error detection and correction circuit. OC.74632 32 bit parallel error detection and correction circuit. TS.74633 32 bit parallel error detection and correction circuit. OC.74634 32 bit parallel error detection and correction circuit. TS.74635 32 bit parallel error detection and correction circuit. OC.74636 8 bit parallel error detection and correction circuit. TS.74637 8 bit parallel error detection and correction circuit. OC.74638 Octal bus transceiver, inverting.74639 Octal bus transceiver, non-inverting.74640 Octal bus transceiver, inverting, TS.74641 Octal bus transceiver, non-inverting, OC.74642 Octal bus transceiver, inverting, OC.74643 Octal bus transceiver, inverting A to B, not B to A, TS.



74644 Octal bus transceiver, inverting A to B, not B to A, OC.74645 Octal bus transceiver, non-inverting, TS.74646 Octal registered bus transceivers, TS, non-inverting.74647 Octal registered bus transceivers, OC, non-inverting.74648 Octal registered bus transceivers, TS, inverting.74649 Octal registered bus transceivers, OC, inverting.74651 Octal registered bus transceivers, TS, inverting.74652 Octal registered bus transceivers, TS, non-inverting.74653 Octal registered bus transceivers, A OC, B TS, inverting.74654 Octal registered bus transceivers, A OC, B TS, non-inverting.74657 .74658 Octal bus transceivers with built in parity, Inverting.74659 Octal bus transceivers with built in parity.74664 Octal bus transceivers with built in parity, Inverting.74665 Octal bus transceivers with built in parity.

74666 8 bit D-Type transparent read back latch. TS. Non-inverting.74667 8 bit D-Type transparent read back latch. TS. Inverting.74668 Synchronous decade 4 bit up / down counter.74669 Synchronous binary 4 bit up / down counter.74670 4 x 4 register files, TS out.74671 4 bit shift register with latched output, TS. Direct SR clear.74672 4 bit shift register with latched output, TS. Synchronous SR clear.74673 16 bit shift register, storage register, TS out.74674 16 bit shift register, TS out.74677 16 bit to 4 bit address comparator, TS.74678 16 bit to 4 bit address comparator, latched output, TS.74679 12 bit to 4 bit address comparator, TS.74680 12 bit to 4 bit address comparator, latched output, TS.74681 4 bit parallel binary accumulator.74682 8 bit identity comparators.74683 8 bit identity comparators, OC w/PU.74684 8 bit identity comparators.74685 8 bit identity comparators, OC w/PU.74686 8 bit identity comparators.74687 8 bit identity comparators, OC.74688 8 bit identity comparators.74689 8 bit identity comparators, OC.74690 Synchronous decade counter with output register, TS, direct clear.74691 Synchronous binary counter with output register, TS, direct clear.74692 Synchronous decade counter with output register, TS, synchronous clear.74693 Synchronous binary counter with output register, TS, synchronous clear.74696 Synchronous up / down decade counter, registered output, TS, asynchronous clear.74697 Synchronous up / down binary counter, registered output, TS, asynchronous clear.74698 Synchronous up / down decade counter, registered output, TS, synchronous clear.74699 Synchronous up / down binary counter, registered output, TS, synchronous clear.74756 Dual 4 wide OC inverting buffers, low enable.74757 Dual 4 wide OC non-inverting buffers, low enable.



74758 Quad bus transceiver, OC, inverting.74759 Quad bus transceiver, OC, non-inverting.74760 Dual 4 wide OC inverting buffers, low enable.74762 Dual 4 wide OC inverting buffers, low enable.74763 Dual 4 wide OC inverting buffers, one low enable, one high enable.74800 Triple 4 input AND / NAND driver. 48 mA to both rails (74AS800).74802 Triple 4 input OR / NOR driver. 48 mA to both rails (74AS802).74804 Hex 2 input NAND driver, 48 mA to both rails (74AS804).74805 Hex 2 input NOR driver, 48 mA to both rails (74AS805).74808 Hex 2 input AND driver, 48 mA to both rails (74AS808).74819 .74821 10 bit bus interface flip flops with TS out, + edge clock, low out enable.74822 10 bit bus interface flip flops with TS out, + edge clock, low out enable. Inverting.74823 9 bit bus interface flip flops with TS out, + edge clock, low out enable.74824 9 bit bus interface flip flops with TS out, + edge clock, low out enable. Inverting.74825 8 bit bus interface flip flops with TS out, + edge clock, low out enable.74826 8 bit bus interface flip flops with TS out, + edge clock, low out enable. Inverting.74832 Hex 2 input OR driver, 48 mA to both rails (74AS832).74841 10 bit bus interface flip flops with TS out, + level clock, low out enable.74842 10 bit bus interface flip flops with TS out, + level clock, low out enable. Inverting.74843 9 bit bus interface flip flops with TS out, + level clock, low out enable.74844 9 bit bus interface flip flops with TS out, + level clock, low out enable. Inverting.74845 8 bit bus interface flip flops with TS out, + level clock, low out enable.74846 8 bit bus interface flip flops with TS out, + level clock, low out enable. Inverting.74850 16 to 1 multiplexer, registered select lines.74851 16 to 1 multiplexer, latched select lines.74852 8 bit universal transceiver. Multiple mode.74856 8 bit universal transceiver. Multiple mode.74857 Hex 2 to 1 universal multiplexer.74866 8 bit magnitude comparator.74867 8 bit synchronous bi-directional binary counter, asynchronous clear.74869 8 bit synchronous bi-directional binary counter, synchronous clear.74870 Dual 16 x 4 bit register file. Two 4 bit I/O ports.74871 Dual 16 x 4 bit register file. One 4 bit I/O port, other has individual ins and outs.74873 Dual 4 bit data latch. TS.74874 Dual 4 bit D-Type + edge triggered flip flops. TS.74876 Dual 4 bit D-Type + edge triggered flip flops. TS, inverted output.74877 8 bit universal transceiver, port controller, TS.

74878 Dual 4 bit D-Type + edge triggered flip flops. TS.74879 Dual 4 bit D-Type + edge triggered flip flops. TS. Inverted outputs74880 Dual 4 bit D-Type level triggered latches. TS.74881 4 bit ALU and function generator.74882 32 bit look ahead carry generator for 74181, 74881.74885 8 bit magnitude comparator.74887 8 bit microprocessor.74888 8 bit microprocessor slice.



74889 8 bit microprocessor slice.74890 14 bit wide microsequencer.74895 8 bit memory address generator.74897 16 bit expandable barrel shifter.74901 Hex inverting buffer.74902 Hex buffer.74903 Hex inverting buffer.74904 Hex buffer interface.74905 12 bit successive approximation register.74906 Hex buffer, open drain (74C906).74907 Hex buffer, open drain (74C906).74908 Dual 30 V driver (74C908).74909 Quad comparator.74910 256 bit (64 x 4) RAM.74911 Display controller.74912 Display controller.74914 Hex Schmitt trigger.74915 7 segment to BCD decoder.74917 Display controller.74918 Dual high voltage CMOS driver (74C918).74922 16 key encoder.74923 20 key encoder.74925 4 digit counter with 7 segment driver output.74926 4 digit counter with 7 segment driver output.74927 4 digit counter with 7 segment driver output.74928 4 digit counter with 7 segment driver output.74932 Phase comparator.74940 Octal buffer, TS.74941 Octal buffer, TS.74945 4 digit up counter / latch driver.74947 4 digit up / down counter / latch driver.74956 .74957 .74958 .74959 .74962 Dual rank 8 bit shift register, TS out.74963 Dual rank 8 bit shift register, TS out.74964 Dual rank 8 bit shift register, TS out.74990 8 bit D-Type transparent read back latch.74991 8 bit D-Type transparent read back latch, inverting.74992 9 bit D-Type transparent read back latch. TS.74993 9 bit D-Type transparent read back latch, inverting.74994 10 bit D-Type transparent read back latch.74995 10 bit D-Type transparent read back latch, inverting.74996 8 bit D-Type, + edge triggered read back latch.741000 Quad 2 input NAND buffer / driver.741002 Quad 2 input NOR buffer / driver.



741003 Quad 2 input NAND buffer / driver, OC.741004 Hex driver, inverting.741005 Hex inverter buffer, OC.741008 Quad 2 input AND buffer / driver.741010 Triple 3 input NAND buffer / driver.741012 Triple 3 input AND buffer.741020 Dual 4 input NAND buffer.741032 Quad 2 input OR buffer.741034 Hex driver.741035 Hex buffer. OC.741037 Quad 2 input NOR driver.741181 4 bit ALU and function generator.741240 Dual 4 wide inverting buffers, line drivers, line receivers, TS, low enable.741241 Dual 4 wide non-inverting buffers, line drivers, line receivers, TS, low enable.741242 Quad bus transceiver, inverting, TS.

741243 Quad bus transceiver, non-inverting, TS.741244 Dual 4 wide non-inverting buffers, line drivers, line receivers, TS, low enable.741245 Octal bus transceivers, non-inverting.741616 16 x 16 multimode multipliers.741620 Octal bus transceivers, TS, inverting.741621 Octal bus transceivers, OC, non-inverting.741622 Octal bus transceivers, OC, inverting.741623 Octal bus transceivers, TS, non-inverting.741638 Octal bus transceivers, TS, inverting.741639 Octal bus transceivers, TS, non-inverting.741640 Octal bus transceivers, TS, inverting.741641 Octal bus transceivers, OC, non-inverting.741642 Octal bus transceivers, OC, inverting.741643 Octal bus transceivers, TS, inverting A to B, not B to A.741644 Octal bus transceivers, OC, inverting A to B, not B to A.741645 Octal bus transceivers, TS, non-inverting.742240 Dual 4 wide line drivers, inverting, TS, w/ series resistor outputs.742241 Dual 4 wide line drivers, TS, w/ series resistor outputs.742244 Dual 4 wide line drivers, TS, w/ series resistor outputs.742410 .742411 .742620 Octal bus transceiver / MOS driver. TS, 25 ohm series resistor on outputs. Inverting.742623 Octal bus transceiver / MOS driver. TS, 25 ohm series resistor on outputs. Non-inverting.742640 Octal bus transceiver / MOS driver. TS, 25 ohm series resistor on outputs. Non-inverting.742645 Octal bus transceiver / MOS driver. TS, 25 ohm series resistor on outputs. Inverting.742827 10 bit bus, MOS memory driver, TS.742828 10 bit bus, MOS memory driver, TS, inverting.742967 Dynamic RAM memory controller, 16K, 64K, and 256K DRAMs. Active low RAS and CAS.742968 Dynamic RAM memory controller, 16K, 64K, and 256K DRAMs. Active high RAS and CAS. 744xxx (see CMOS series 4xxx devices)



746301 Dynamic RAM memory controller, 16K, 64K, 256K, and 1 MB DRAMs.746302 Dynamic RAM memory controller, 16K, 64K, 256K, and 1 MB DRAMs.747001 Quad 2 input AND Schmitt Trigger.747002 Quad 2 input NOR Schmitt Trigger.747003 Quad 2 input NAND Schmitt Trigger input, Open Drain output (74HC7003).747006 Six section complex function AND - INVERT - NOR gate. One 4 input NAND, one 3 input NAND, two inverters, one 3 input NOR gate, one 4 input NOR gate.747032 Quad 2 input NOR Schmitt trigger.748003 Dual 2 input NAND.748400 16 bit expandable error checker and corrector.748818 16 bit microsequencer.748832 32 bit registered ALU.748834 64 word by 40 bit register file. 748836 32 by 32 bit parallel multiplier.748837 64 bit Floating Point Processor.748838 32 bit barrel shifter.748841 Digital Crossbar Switch, 16 by 4.748847 64 bit Floating Point / Integer Processor.7411000 Quad 2 input NAND.7411002 Quad 2 input NOR.7411004 Hex inverter.7411008 Quad 2 input AND.7411010 Triple 3 input NAND.7411011 Triple 3 input AND.7411013 Dual 4 input NAND.7411014 Hex inverter.7411020 Dual 4 input NAND.7411021 Dual 4 input AND.7411027 Triple 3 input NOR.7411030 8 input NAND gate.7411032 Quad 2 input OR.7411034 Hex non-inverting buffers.7411074 Dual D-Type, + edge triggered flip flop, w/ clear and preset.7411109 Dual J-K, + edge triggered flip flop, w/ clear and preset.7411112 Dual J-K, - edge triggered flip flop, w/ clear and preset.7411132 Quad 2 input NAND Schmitt Trigger.7411138 3 to 8 line decoder.7411139 Dual 2 to 4 line decoder.

7411151 8 to 1 line multiplexer.7411153 Dual 4 to 1 line multiplexer.7411157 Quad 2 to 1 line multiplexer.7411158 Quad 2 to 1 line multiplexer, inverting.7411160 Synchronous 4 bit binary counter.7411161 Synchronous 4 bit decade counter.7411162 Synchronous 4 bit binary counter.7411163 Synchronous 4 bit decade counter.



7411168 Synchronous 4 bit decade up / down counter.7411169 Synchronous 4 bit binary up / down counter.7411174 Hex D-Type flip flop, with clear.7411175 Quad D-type flip flop, common clock and clear, complementary outputs.7411181 4 bit ALU and function generator.7411190 Synchronous 4 bit up / down decade counter.7411191 Synchronous 4 bit up / down binary counter.7411192 Synchronous 4 bit up / down decade counter, two clocks.7411193 Synchronous 4 bit up / down binary counter, two clocks.7411194 4 bit bi-directional shift register.7411238 3 to 8 line decoder.7411239 Dual 2 to 4 line decoder.7411240 Octal buffers / line drivers, TS, inverter.7411241 Octal buffers / line drivers, TS, non-inverting.7411244 Octal buffers / line drivers, TS, non-inverting.7411245 Octal bus transceiver.7411251 8 to 1 multiplexer. TS.7411253 Dual 4 to 1 line multiplexer, TS.7411257 Quad 2 to 1 line multiplexer, TS.7411258 Quad 2 to 1 line multiplexer, TS.7411269 8 bit bi-directional binary counter.7411280 9 bit parity generator and checker.7411286 9 bit parity generator and checker, bus driver parity I/O bit.7411299 8 bit shift register, TS.7411323 8 bit shift register, TS.7411352 Dual 4 to 1 line multiplexer.7411353 Dual 4 to 1 line multiplexer. TS.7411373 Octal D-Type transparent latch, TS.7411374 Octal D-Type, + edge triggered flip flops, TS.7411378 Hex D-Type flip flops with clock enable.7411379 Quad D-Type flip flops, with clear.7411520 8 bit identity comparator, input pull up resistors.7411521 8 bit identity comparator.7411533 Octal D-Type transparent latch, TS.7411534 Octal D-Type, + edge triggered flip flop, TS.7411568 Synchronous 4 bit up / down decade counter, TS.7411569 Synchronous 4 bit up / down binary counter, TS.7411579 8 bit bi-directional binary counter, TS.7411620 Octal bus transceiver, TS.7411623 Octal bus transceiver, TS.7411640 Octal bus transceiver, TS.7411643 Octal bus transceiver, TS.7411646 Octal bus transceiver with registers, TS.7411648 Octal bus transceiver with registers, TS.7411651 Octal bus transceiver with registers, TS.7411652 Octal bus transceiver with registers, TS.7411657 Octal bus transceiver with 8 bit parity checker and generator, TS.



7411818 Diagnostic and pipeline register.7411819 Diagnostic and pipeline register.7411821 10 bit bus interface flip flops, TS.7411822 10 bit bus interface flip flops, TS.7411823 9 bit bus interface flip flops, TS.7411824 9 bit bus interface flip flops, TS.7411825 8 bit bus interface flip flops, TS.7411826 8 bit bus interface flip flops, TS.7411827 10 bit bus buffer, TS.7411828 10 bit bus buffer, TS.7411833 Parity bus transceivers.7411834 Parity bus transceivers.7411841 10 bit bus interface D-Type latches, TS.7411842 10 bit bus interface D-Type latches, TS.7411843 9 bit bus interface D-Type latches, TS.

7411844 9 bit bus interface D-Type latches, TS.7411845 8 bit bus interface D-Type latches, TS.7411846 8 bit bus interface D-Type latches, TS.7411853 Parity bus transceivers.7411854 Parity bus transceivers.7411861 10 bit bus transceiver, TS.7411862 10 bit bus transceiver, TS.7411863 9 bit bus transceiver, TS.7411864 9 bit bus transceiver, TS.7411873 Dual 4 bit D-Type latches, TS.7411874 Dual 4 bit D-Type edge triggered flip flops, TS.7411881 ALU and function generator.7411882 32 bit look ahead carry generator.7425240 .7425241 .7425244 .7425245 .7425620 .7425621 .7425622 .7425623 .7425640 .7425641 .7425642 .7425756 .7425757 .7425760 .7429818 8 bit diagnostics and pipeline register with write control store.7429819 8 bit diagnostics and pipeline register with write control store, even parity output.7429821 .7429822 10 bit bus interface, TS, inverting, + edge clock.7429823 9 bit bus interface flip flops, TS, + edge clock.



7429824 9 bit bus interface flip flops, TS, + edge clock, inverting.7429825 8 bit bus interface, TS, + edge clock, non-inverting.7429826 8 bit bus interface, TS, + edge clock, inverting.7429827 10 bit bus buffers, TS, non-inverting.7429828 10 bit bus buffers, TS, inverting.7429833 8 bit to 9 bit with parity bus transceiver.7429834 8 bit to 9 bit with parity bus transceiver, inverting.7429841 .7429842 .7429843 .7429844 .7429845 .7429846 .7429853 8 bit to 9 bit with parity bus transceiver.7429854 8 bit to 9 bit with parity bus transceiver, inverting.7429861 10 bit bus transceiver, TS, non-inverting.7429862 10 bit bus transceiver, TS, inverting.7429863 9 bit bus transceiver, TS, non-inverting.7429864 9 bit bus transceiver, TS, inverting.


differences between 74xx, 74lxx, 74lsxx, etc digital ics/digital... · differences between 74xx,...

Documents