Philips Semiconductors

Product specification

74F258A

Quad 2-line to 1-line selector/multiplexer, inverting

(3-State)

1996 Jan 05

3

LOGIC DIAGRAM

15

2

3

5

6

11

10

14

13

1

47

9

12

S

I0a

I1a

Ya

I0b

I1b

Yb

I0d

I1d

Yd

I0c

I1c

Yc

OE

GND=Pin 8

SF00818

FUNCTION TABLE

INPUTS

OUTPUT

OE

S

Y

H

X

X

X

Z

L

H

X

L

H

L

H

X

H

L

L

L

L

X

H

L

L

H

X

L

H = High voltage level

L = Low voltage level

X = Don’t care

Z = High impedance “off” state

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

48

mA

Operating free-air temperature range

0 to +70

°C

Storage temperature range

–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

–3

mA

Low-level output current

24

mA

Operating free-air temperature range

0

70

°C