HD74LS192FPEL 查看數據表（PDF） - Renesas Electronics

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HD74LS192FPEL

Synchronous Up / Down Decade Counter (dual clock lines)

Renesas Electronics 

HD74LS192

Block Diagram

Data

Input A

Down Count

Up Count

Borrow

Output

Carry

Output

QA

Output QA

T

QA

Data

Input B

QB

Output QB

T

QB

Data

Input C

QC

Output QC

T

QC

Data

Input D

Clear

Load

QD

Output QD

T

QD

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

VCC

7

V

Input voltage

VIN

7

V

Power dissipation

PT

400

mW

Storage temperature

Tstg

–65 to +150

°C

Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.

Rev.2.00, Feb.18.2005, page 3 of 10

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