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零件编号
产品描述 (功能)
HD74HC669RPEL 查看數據表(PDF) - Renesas Electronics
零件编号
产品描述 (功能)
比赛名单
HD74HC669RPEL
Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter
Renesas Electronics
HD74HC669RPEL Datasheet PDF : 13 Pages
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HD74HC668, HD74HC669
Timing Chart
HD74HC668
Load
A
B
Data
inputs
C
D
Clock
U/
D
Enable
P
and
T
Q
A
Q
B
Q
C
Q
D
Ripple
carry
output
7
8
9
0
12
2
21
0
9
8
7
Load
Count up
Inhibit
Count down
Rev.2.00 Mar 30, 2006 page 4 of 10
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