IN74AC139N

更新时间： 2024-11-27 23:15:07

品牌	Logo	应用领域
INTEGRAL		解码器解复用器栅
页数	文件大小	规格书
5页	124K
描述
Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS

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IN74AC139N 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.77
Base Number Matches：	1

IN74AC139N 数据手册

TECHNICAL DATA

IN74AC139

Dual 1-of-4 Decoder/Demultiplexer

High-Speed Silicon-Gate CMOS

The IN74AC139 is identical in pinout to the LS/ALS139,

HC/HCT139. The device inputs are compatible with standard CMOS

outputs; with pullup resistors, they are compatible with LS/ALS

outputs.

This device consists of two independent 1-of-4 decoders, each of

which decodes a two-bit Address to one-of-four active-low outputs.

Active-low Selects are provided to facilitate the demultiplexing and

cascading functions. The demultiplexing function is accomplished by

using the Address inputs to select the desired device output, and

utilizing the Select as a data input.

ORDERING INFORMATION

IN74AC139N Plastic

IN74AC139D SOIC

T_A= -40° to 85° C for all

packages

•

Outputs Directly Interface to CMOS, NMOS, and TTL

Operating Voltage Range: 2.0 to 6.0 V

Low Input Current: 1.0 µA; 0.1 µA @ 25°C

High Noise Immunity Characteristic of CMOS Devices

Outputs Source/Sink 24 mA

PIN ASSIGNMENT

LOGIC DIAGRAM

FUNCTION TABLE

Inputs

Outputs

Select

Y0 Y1

PIN 16 =V_CC

PIN 8 = GND

X = don’t care

163

12 3 4 5

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