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零件编号
产品描述 (功能)
HD74LS190FPEL 查看數據表(PDF) - Renesas Electronics
零件编号
产品描述 (功能)
比赛名单
HD74LS190FPEL
Synchronous Up / Down Decade Counter (signal clock line)
Renesas Electronics
HD74LS190FPEL Datasheet PDF : 11 Pages
1
2
3
4
5
6
7
8
9
10
HD74LS190
Pin Arrangement
Data B
Input
1
Outputs
Q
B
2
Q
A
3
Enable G 4
Inputs
Down/Up 5
Outputs
Q
C
6
Q
D
7
GND 8
B
Q
B
A
Q
A
CK
G
Ripple
Clock
Dn/Up
Max/
Min
Q
C
Load
Q
D
C
D
(Top view)
16 V
CC
15
Data A
14
Clock
13
Ripple
Clock
12
Max/Min
11
Load
10
Data C
9
Data D
Inputs
Outputs
Inputs
Rev.3.00, Jul.15.2005, page 2 of 10
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