DM74AS157N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

General Description

These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates.

特性 Features

■ Switching specifications at 50 pF

■ Switching specifications guaranteed over full

temperature and VCC range

■ Advanced oxide-isolated, ion-implanted Schottky TTL

process

■ Functionally and pin for pin compatible with Schottky,

low power Schottky, and advanced low power Schottky

TTL counterpart

■ Improved AC performance over Schottky, low power

Schottky, and advanced low power Schottky counterparts

■ Expand any data input point

■ Multiplex dual data buses

■ General four functions of two variables

(one variable is common)

■ Source programmable counters