Philips Semiconductors

Product specification

74F540, 74F541

Buffers

1990 Jan 08

4

FUNCTION TABLE

INPUTS

OUTPUTS

INPUTS

74F541

74F540

OE0

OE1

In

Yn

Yn

L

L

X

H

L

L

H

X

L

H

X

X

L

H

Z

Z

H

L

Z

Z

H = High voltage level

L = Low voltage level

X = Don’t care

Z = High impedance “off” state

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 +5.0

mA

Voltage applied to output in High output state

V

Current applied to output in Low output state

128

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

–15

mA

Low-level output current

64

mA

Operating free-air temperature range

0

70

°C