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零件编号
产品描述 (功能)
HD74HC669P 查看數據表(PDF) - Renesas Electronics
零件编号
产品描述 (功能)
比赛名单
HD74HC669P
Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter
Renesas Electronics
HD74HC669P Datasheet PDF : 13 Pages
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HD74HC668, HD74HC669
Logic Diagram
HD74HC668
Load
U/
D
D
A
Enable
P
Enable
T
D
B
D
C
V
CC
D
D
CK
HD74HC669
Load
U/
D
D
A
Enable
P
Enable
T
D
B
D
C
D
D
V
CC
CK
L
T
Q
IN
CK
Q
L
T
Q
IN
CK
Q
L
T
Q
IN
CK
Q
L
T
Q
IN
CK
Q
Q
A
Q
B
Q
C
Q
D
RCO
T
Q
IN Q
T
Q
IN Q
T
Q
IN Q
T
Q
IN Q
Q
A
Q
B
Q
C
Q
D
RCO
Rev.2.00 Mar 30, 2006 page 3 of 10
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