SN74LS157DR2 查看數據表（PDF） - ON Semiconductor

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SN74LS157DR2

Quad 2−Input Multiplexer

ON Semiconductor 

SN74LS157

Quad 2−Input Multiplexer

The LSTTL/MSI SN74LS157 is a high speed Quad 2-Input

Multiplexer. Four bits of data from two sources can be selected using

the common Select and Enable inputs. The four buffered outputs

present the selected data in the true (non-inverted) form. The LS157

can also be used to generate any four of the 16 different functions of

two variables. The LS157 is fabricated with the Schottky barrier diode

process for high speed and is completely compatible with all

ON Semiconductor TTL families.

• Schottky Process for High Speed

• Multifunction Capability

• Non-Inverting Outputs

• Input Clamp Diodes Limit High Speed Termination Effects

• Special Circuitry Ensures Glitch Free Multiplexing

• ESD > 3500 Volts

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min Typ Max Unit

VCC

Supply Voltage

TA

Operating Ambient

Temperature Range

4.75 5.0 5.25

V

0

25

70

°C

IOH

Output Current − High

IOL

Output Current − Low

−0.4 mA

8.0

mA

http://onsemi.com

LOW

POWER

SCHOTTKY

16

1

PLASTIC

N SUFFIX

CASE 648

16

1

SOIC

D SUFFIX

CASE 751B

© Semiconductor Components Industries, LLC, 2006

June, 2006 − Rev. 9

16

1

SOEIAJ

M SUFFIX

CASE 966

ORDERING INFORMATION

Device

Package

Shipping

SN74LS157N

16 Pin DIP 2000 Units/Box

SN74LS157D

SOIC−16

38 Units/Rail

SN74LS157DR2 SOIC−16 2500/Tape & Reel

SN74LS157M

SOEIAJ−16 See Note 1

SN74LS157MEL SOEIAJ−16 See Note 1

1. For ordering information on the EIAJ version of

the SOIC package, please contact your local

ON Semiconductor representative.

1

Publication Order Number:

SN74LS157/D

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