CD74HC253E.A中文资料德州仪器数据手册PDF规格书

厂商型号	CD74HC253E.A
功能描述	High-Speed CMOS Logic Dual 4-Input Multiplexer
丝印标识	CD74HC253E
封装外壳	PDIP
文件大小	305.2 Kbytes
页面数量	14 页
生产厂商	TI
中文名称	德州仪器
网址	网址
数据手册	下载地址一下载地址二到原厂下载
更新时间	2025-12-11 8:14:00
人工找货	CD74HC253E.A价格和库存，欢迎联系客服免费人工找货

特性 Features

• Common Select Inputs

• Separate Output-Enable Inputs

• Three-State Outputs

• Fanout (Over Temperature Range)

- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55oC to 125oC

• Balanced Propagation Delay and Transition Times

• Significant Power Reduction Compared to LSTTL

Logic ICs

• HC Types

- 2V to 6V Operation

- High Noise Immunity: NIL = 30%, NIH = 30% of VCC

at VCC = 5V

• HCT Types

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,

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

- CMOS Input Compatibility, Il ≤ 1μA at VOL, VOH

描述 Description

The CD74HC253 and CD74HCT253 are dual 4-to-1 line

selector/multiplexers having three-state outputs. One of four

sources for each section is selected by the common select

inputs, S0 and S1. When the output enable (1OE, 2OE) is

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