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零件编号
产品描述 (功能)
74HC93 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
74HC93
4-bit binary ripple counter
Philips Electronics
74HC93 Datasheet PDF : 7 Pages
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Philips Semiconductors
4-bit binary ripple counter
Fig.4 Functional diagram.
Fig.5 Logic diagram.
December 1990
4
Product specification
74HC/HCT93
FUNCTION TABLE
OUTPUTS
COUNT
Q
0
Q
1
Q
2
Q
3
0
LLLL
1
HL L L
2
LHL L
3
HHL L
4
L LHL
5
HLHL
6
L HH L
7
HHH L
8
L L LH
9
HL LH
10
LHLH
11
HH L H
12
L LHH
13
H L HH
14
L HHH
15
HHHH
Notes
1. Output Q
0
connected to CP
1
.
H = HIGH voltage level
L = LOW voltage level
MODE SELECTION
RESET
INPUTS
MR
1
H
L
H
L
MR
2
H
H
L
L
OUTPUTS
Q
0
Q
1
Q
2
Q
3
L L LL
count
count
count
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