(1) What is the total capacity of the circuit? (2) Provide a circuit diagram showing how to modify the circuit in the figure so that it has a total capacity of 16K x 8.
(1) What is the total capacity of the circuit? (2) Provide a circuit diagram showing how to modify the circuit in the figure so that it has a total capacity of 16K x 8.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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(1) What is the total capacity of the circuit?
(2) Provide a circuit diagram showing how to modify the circuit in the figure so that it has a total capacity of 16K x 8.
![AB 12
AB₁1
AB ₂0
AB₂
Control bus
E
DB,
3-line-to-8-line-
decoder
DB₂
C
B
A
E3
OE2
E1
Decoder selects
one PROM chip
determined by AB,, and AB
74LS138
1-of-8
decoder
0
1234567
0000999
20-
30-
40
-cs
[11]
Ag-A10
PROM-0
2K X 8
0₂-0₂
[8]
Address bus [13]
CS
[11]
Ag-A
PROM-1
2K X 8
07-0
[8]
dcs
Data bus (8)
[11]
Ag-A10
PROM-2
2K x 8
Oy-0₂
[8]
-cs
[11]
A-A10
PROM-3
2K X 8
07-%
[8]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2e6b1be0-596d-4af1-a341-a1c152f1c814%2F7ced604c-a819-47ee-bdd1-bdde5d91018f%2F6puox2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:AB 12
AB₁1
AB ₂0
AB₂
Control bus
E
DB,
3-line-to-8-line-
decoder
DB₂
C
B
A
E3
OE2
E1
Decoder selects
one PROM chip
determined by AB,, and AB
74LS138
1-of-8
decoder
0
1234567
0000999
20-
30-
40
-cs
[11]
Ag-A10
PROM-0
2K X 8
0₂-0₂
[8]
Address bus [13]
CS
[11]
Ag-A
PROM-1
2K X 8
07-0
[8]
dcs
Data bus (8)
[11]
Ag-A10
PROM-2
2K x 8
Oy-0₂
[8]
-cs
[11]
A-A10
PROM-3
2K X 8
07-%
[8]
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