Philips Semiconductors

Product specification

74F244/74F244B

Octal buffers (3-State)

1994 Dec 5

4

ABSOLUTE MAXIMUM RATINGS

(Operation beyond the limit 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

128

mA

T

Oti

f

i t

t

Commercial range

0 to +70

Operating free air temperature range

Industrial range

(74F244 only)

-40 to +85

Storage temperature range

-65 to +150

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

–15

mA

Low-level output current

64

mA

T

Oti

f

i t

t

Commercial range

0

+70

Operating free air temperature range

Industrial range

(74F244 only)

–40

+85