CD74AC253M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

CD74AC253M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CD74AC253M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。

特性 Features

• Buffered Inputs

• Typical Propagation Delay

- 6.3ns at VCC = 5V, TA = 25oC, CL = 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 50W Transmission Lines

描述 Description

The CD74AC253 and ’ACT253 dual 4-input multiplexers that

utilize Advanced CMOS Logic technology. One of the four

sources for each section is selected by the common Select

inputs, S0 and S1. When the Output Enable (1OE or 2OE) is

HIGH, the output is in the high-impedance state.