HD74HC668 Datasheet, PDF(3/14 Page) Hitachi Semiconductor – Synchronous UP/Down Decade,4-bit binary Counter

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HD74HC668 Datasheet, PDF (3/14 Pages) Hitachi Semiconductor – Synchronous UP/Down Decade,4-bit binary Counter

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HD74HC669

HD74HC668/HD74HC669

U/D 1

CK 2

Data

inputs

Enable

GND 8

16 VCC

Ripple

15 carry

output

14 QA

13 QB

12 QC

Outputs

11 QD

Enable

9 Load

(Top view)

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