Datasheet > IN74HCT157AN

IN74HCT157AN

更新时间： 2024-02-14 05:10:47

品牌	Logo	应用领域
INTEGRAL		复用器输入元件
页数	文件大小	规格书
5页	141K
描述
QUAD 2-INPUT DATA SELECTORS/MULTIPLEXER

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技术参数
数据手册

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IN74HCT157AN 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.78
Base Number Matches：	1

IN74HCT157AN 数据手册

IN74HCT157A

QUAD 2-INPUT DATA SELECTORS/MULTIPLEXER

High-Performance Silicon-Gate CMOS

The IN74HCT157A is identical in pinout to the LS/ALS157.

This device may be used as a level converter for interfacing TTL

or NMOS outputs to High Speed CMOS inputs.

This device routes 2 nibbles (A or B) to a single port (Y) as

determined by the Select input. The data is presented at the

outputs in noninvertered form. A high level on the Output Enable

input sets all four Y outputs to a low level.

• TTL/NMOS Compatible Input Levels

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 4.5 to 5.5 V

• Low Input Current: 1.0 µA

ORDERING INFORMATION

IN74HCT157AN Plastic

IN74HCT157AD SOIC

T_A= -55° to 125° C for all

packages

PIN ASSIGNMENT

LOGIC DIAGRAM

FUNCTION TABLE

Inputs

Outputs

Output

Select

Y0-Y3

Enable

A0-A3

B0-B3

PIN 16 =V_CC

PIN 8 = GND

X=don’t care

A0-A3,B0-B3=the levels of the

respective Data-Word Inputs

12 3 4 5

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