SN54AHC257, SN74AHC257

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

WITH 3-STATE OUTPUTS

SCLS349C – MAY 1996 – REVISED JULY 1998

4

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

SN54AHC257

SN74AHC257

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

1.9

2

1.9

1.9

IOH = –50 mA

3 V

2.9

3

2.9

2.9

VOH

4.5 V

4.4

4.5

4.4

4.4

V

OH

IOH = –4 mA

3 V

2.58

2.48

2.48

IOH = –8 mA

4.5 V

3.94

3.8

3.8

2 V

0.1

0.1

0.1

IOL = 50 mA

3 V

0.1

0.1

0.1

VOL

4.5 V

0.1

0.1

0.1

V

OL

IOL = 4 mA

3 V

0.36

0.5

0.44

IOL = 8 mA

4.5 V

0.36

0.5

0.44

II

VI = VCC or GND

5.5 V

±0.1

±1

±1

mA

ICC

VI = VCC or GND,

IO = 0

5.5 V

4

40

40

mA

IOZ

VO = VCC or GND

5.5 V

±0.25

±2.5

±2.5

mA

Ci

VI = VCC or GND

5 V

pF