Philips Semiconductors

Product specification

74F161A, 74F163A

4-bit binary counters

1996 Jan 29

6

74F163A LOGIC DIAGRAM

D

CP

Q

Q

D

CP

Q

Q

D

CP

Q

Q

D

CP

Q

Q

14

Q0

13

Q1

12

Q2

11

Q3

15

TC

6

D3

5

D2

4

D1

3

D0

7

CEP

10

CET

9

PE

1

SR

2

CP

SF00663

GND = Pin 8

ABSOLUTE MAXIMUM RATINGS

(Operation beyond the limits set forth in this table may impair the useful life of the device.

Unless otherwise noted these limits are over the operating free-air temperature range.)

SYMBOL

PARAMETER

RATING

UNIT

Supply voltage

–0.5 to +7.0

V

Input voltage

–0.5 to +7.0

V

Input current

–30 to +5

mA

Voltage applied to output in High output state

V

Current applied to output in Low output state

40

mA

T

Operating free air temperature range

Commercial range

0 to +70

°C

Operating free-air temperature range

Industrial range

–40 to +85

°C

Storage temperature range

–65 to +150

°C