memory (an introduction)
DESCRIPTION
Memory (an introduction). Recall the clocked D(data) latch:. C. i. r. c. u. i. t. D. Q. C. L. K. Q. D. Q. S. y. m. b. o. l. C. Q. Aside:Edge triggered/level triggered. A. B. D. A. C. Time. What is the voltage at D?. Edge triggered. C. i. r. c. u. i. t. D. - PowerPoint PPT PresentationTRANSCRIPT
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Slide 1-1
Memory (an introduction)
Digital Techniques Fall 2007 André Deutz, Leiden University
D
CLK
Symbol
Q
Q
Circuit
D Q
C Q
Recall the clocked D(data) latch:
![Page 2: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/2.jpg)
Slide 1-2Aside:Edge triggered/level triggered
Digital Techniques Fall 2007 André Deutz, Leiden University
C
BA D
A
Time
What is the voltage at D?
![Page 3: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/3.jpg)
Slide 1-3
Edge triggered
Digital Techniques Fall 2007 André Deutz, Leiden University
D
Symbol
Q
Q
Circuit
C
BCl ock
D Q
C Q
![Page 4: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/4.jpg)
Slide 1-4
Digital Techniques Fall 2007 André Deutz, Leiden University
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
Writing to a memory word
![Page 5: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/5.jpg)
Slide 1-5
Digital Techniques Fall 2007 André Deutz, Leiden University
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
Writing to a memory word
![Page 6: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/6.jpg)
Slide 1-6
Digital Techniques Fall 2007 André Deutz, Leiden University
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
Writing to a memory word
a1
a0
![Page 7: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/7.jpg)
Slide 1-7
Digital Techniques Fall 2007 André Deutz, Leiden University
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
enable
a1
a0
Writing to a memory word
![Page 8: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/8.jpg)
Slide 1-8
Digital Techniques Fall 2007 André Deutz, Leiden University
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
enable
a1 a0
Writing to a memory word
![Page 9: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/9.jpg)
Slide 1-9
Digital Techniques Fall 2007 André Deutz, Leiden University
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
enable
a1
a0
Writing to a memory word
![Page 10: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/10.jpg)
Slide 1-10
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
a1
a0
Reading a mem word
![Page 11: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/11.jpg)
Slide 1-11
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
enable
a1
a0
![Page 12: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/12.jpg)
Slide 1-12
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
enable
a1
a0
![Page 13: Memory (an introduction)](https://reader036.vdocument.in/reader036/viewer/2022062305/568157d3550346895dc55a23/html5/thumbnails/13.jpg)
Slide 1-13
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
D Q
CQ
mem
ory
Word 0
Word 1
Word 2
Word 3
I2I1I0
Data In
2 to
4 d
ecod
er
enable
a1
a0