74AS21中文资料仙童半导体数据手册PDF规格书

General Description

This device contains two independent 4-input gates, each of which performs the logic AND function.

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 counter parts