SN74F157AD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

SN74F157AD属于集成电路（IC）的信号开关多路复用器解码器。由美国德州仪器公司制造生产的SN74F157AD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。

• Buffered Inputs and Outputs

• Package Options Include Plastic

Small-Outline Packages, Ceramic Chip

Carriers, and Standard Plastic and Ceramic

300-mil DIPs

description

The ′F157A is a quadruple 2-input data

selector/multiplexer featuring a common strobe

(G) input. When the strobe is high, all outputs are

low. When the strobe is low, a 4-bit word is

selected from one of two sources and is routed to

the four outputs. The ′F157A provides true data.

The SN54F157A is characterized for operation

over the full military temperature range of −55°C

to 125°C. The SN74F157A is characterized for

operation from 0°C to 70°C.