Philips Semiconductors

Product specification

74F779

8-bit bidirectional binary counter (3-State)

1989 Sep 20

5

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

TC

40

mA

Current applied to output in Low output state

I/On

48

mA

Operating free-air temperature range

0 to +70

°C

Storage temperature

–65 to +150

°C

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

LIMITS

UNIT

SYMBOL

PARAMETER

MIN

NOM

MAX

UNIT

Supply voltage

4.5

5.0

5.5

V

High-level input voltage

2.0

V

Low-level input voltage

0.8

V

Input clamp current

–18

mA

High level output current

TC

–1

mA

High-level output current

I/On

–3

mA

Low level output current

TC

20

mA

Low-level output current

I/On

24

mA

Operating free-air temperature range

0

70

°C