MC74HC139A集成电路（IC）的信号开关多路复用器解码器规格书PDF中文资料

MC74HC139A属于集成电路（IC）的信号开关多路复用器解码器。由安森美半导体公司制造生产的MC74HC139A信号开关，多路复用器，解码器逻辑型信号开关、多路复用器和编码器 IC 可用于对以数字格式表示数据的电信号进行路由和选择。这些器件与设计用于模拟信号的类似产品有所不同，它们保留的信息表示为两个电状态之一，而不是两个外部界限内的无穷变化量。

Dual 1−of−4 Decoder/Demultiplexer

High−Performance Silicon−Gate CMOS

The MC74HC139A is identical in pinout to the LS139. The device inputs are compatible with standard CMOS outputs; with pull−up resistors, they are compatible with LSTTL outputs.

Features

• Output Drive Capability: 10 LSTTL Loads

• Outputs Directly Interface to CMOS, NMOS and TTL

• Operating Voltage Range: 2.0 to 6.0 V

• Low Input Current: 1.0 μA

• High Noise Immunity Characteristic of CMOS Devices

• In Compliance with the Requirements Defined by JEDEC Standard

No. 7A

• Chip Complexity: 100 FETs or 25 Equivalent Gates

• Pb−Free Packages are Available*