CDP1853/3 Просмотр технического описания (PDF) - Intersil
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CDP1853/3 Datasheet PDF : 7 Pages
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CDP1853/3, CDP1853C/3
CDP1853/3 Functional Diagram
2
N0
3
N1
14
N2
13
CE
1 OF 8
DECODER
EN
4
OUT 0
5
OUT 1
6
OUT 2
7
OUT 3
12
OUT 4
11
OUT 5
10
OUT 6
9
OUT 7
1
QN
CLOCK
A
(TPA)
15
CLOCK
B
(TPB)
FIGURE 1.
TRUTH TABLE
CE
CL A
CL B
EN
1
0
0
Qn-1(Note 2)
1
0
1
1
1
1
0
0
1
1
1
1
0
X
X
0
N2 N1 N0 EN 0 1 2 3 4 5 6 7
0
0
0
1 10000000
0
0
1
1 01000000
0
1
0
1 00100000
0
1
1
1 00010000
1
0
0
1 00001000
1
0
1
1 00000100
1
1
0
1 00000010
1
1
1
1 00000001
X
X
X
0 00000000
NOTES:
1. 1 = High level, 0 = Low level, X = Don’t care.
2. Qn-1 = Enable remains in previous state.
4-41
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