CD74ACT258M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

CD74ACT258M属于集成电路（IC）的信号开关多路复用器解码器。由德州仪器制造生产的CD74ACT258M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。

1 Features

• ’AC257, ’ACT257…………. non-inverting outputs

• CD74ACT258 ………………. inverting outputs

• Buffered inputs

• Typical propagation delay

– 4.4ns at V CC = 5V, T A = 25°C, C L = 50pF

• Exceeds 2kV ESD protection MIL-STD-883,

method 3015

• SCR-latchup-resistant CMOS process and circuit

design

• Speed of bipolar FAST™/AS/S with significantly

reduced power consumption

• Balanced Propagation Delays

• AC types feature 1.5V to 5.5V operation and

balanced noise immunity at 30% of the supply

• ±24mA output drive current

– Fanout to 15 FAST™ ICs

• Drives 50Ω transmission lines

2 Description

The ’AC257, ’ACT257 and CD74ACT258 are quad 2-

input multiplexers with three-state outputs that utilize

Advanced CMOS Logic technology.