HD74HC669 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74HC669

Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter

Hitachi -> Renesas Electronics 

HD74HC668/HD74HC669

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

Pin Arrangement

HD74HC668

U/D 1

CK 2

A3

Data

inputs

B4

C5

D6

Enable

P

7

GND 8

16 VCC

Ripple

15 carry

output

14 QA

13 QB

12 QC

Outputs

11 QD

10 Enable T

9 Load

(Top view)

2

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