CD74HC151M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

CD74HC151M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CD74HC151M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

• Complementary data outputs

• Buffered inputs and outputs

• Fanout (over temperature range)

– Standard outputs: 10 LSTTL Loads

– Bus driver outputs: 15 LSTTL Loads

• Wide operating temp range: -55°C° to 125°C

• Balanced propagation delay and transition times

• Significant power reduction compared to LSTTL

Logic ICs

• Alternate source is Philips/Signetics

• HC Types

– 2 V to 6 V operation

– High noise immunity: NIL = 30%, NIH = 30% of

VCC at VCC = 5 V

• HCT Types

– 4.5 V to 5.5 V Operation

– Direct LSTTL input logic compatibility,

VIL = 0.8 V (Max), VIH = 2 V (Min)

– CMOS input compatibility, II ≤ 1μA at VOL, VOH

2 Description

The ’HC151 and ’HCT151 are single 8-channel digital

multiplexers having three binary control inputs, A, B

and C and an active low enable (G) input. The three

binary signals select 1 of 8 channels. Outputs are

both inverting (W) and non-inverting (Y).