HD74HC163P 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74HC163P

Synchronous Decade Counter (Direct Clear)/Synchronous 4-bit Binary Counter (Direct Clear)/Synchronous Decade Counter (Synchronous Clear)/Synchronous 4-bit Binary Counter (Synchronous Clear)

Hitachi -> Renesas Electronics 

HD74HC160/HD74HC161/HD74HC162/HD74HC163

• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Function Table

Inputs

Clock

Clear*1

L

Load

X

Enable P

X

Enable T

X

Outputs

Qn

Reset-clear

H

L

X

X

Load input data

H

H

H

H

Count

H

H

L

X

No count

H

H

X

L

No count

Note: 1. 162 and 163 Only-160 and 161 are Asynchronous Clear Devices

Decade Counter

Binary Counter

Asynchronous clear

HD74HC160P

HD74HC161P

Synchronous clear

HD74HC162P

HD74HC163P

Pin Arrangement

Clear 1

Clock 2

A3

B4

Data

Inputs C 5

D6

Enable P 7

GND 8

CLR

CK Ripple

Carry

A

QA

B

QB

C

QC

D

QD

P

T

Load

(Top view)

16 VCC

15

Ripple

Carry Output

14 QA

13 QB

12 QC

Outputs

11 QD

10 Enable T

9 Load

2

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