HD74LS193

Rev.2.00, Feb.18.2005, page 3 of 11

Block Diagram

Data

Input A

Down Count

Up Count

Data

Input B

Data

Input C

Data

Input D

Clear

Load

T

T

T

T

Carry

Output

Borrow

Output

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

7

V

Input voltage

7

V

Power dissipation

400

mW

Storage temperature

Tstg

–65 to +150

°C

Note:

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