HD74HC192 Datasheet, PDF(2/14 Page) Hitachi Semiconductor – Synchronous Up/Down Decade,4-bit Binary Counter(Dual Clock Line)

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HD74HC192 Datasheet, PDF (2/14 Pages) Hitachi Semiconductor – Synchronous Up/Down Decade,4-bit Binary Counter(Dual Clock Line)

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HD74HC192, HD74HC193

Pin Arrangement

Outputs

Inputs

Outputs

Data B

Input

QB 2

QA 3

Count

Down

Count

QC 6

QD 7

GND 8

QA Clear

Count

Down

Borrow

Count

Carry

QC Load

QD D C

(Top view)

16 VCC

15 Data A

14 Clear

Inputs

13 Borrow

12 Carry

Outputs

11 Load

10 Data C Inputs

9 Data D

Rev.3.00, Jan 31, 2006 page 2 of 13

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