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  • Model:MC74VHC157DTR2
  • Manufacturer:HUABAN
  • Date Code:05+ 05+
  • Standard Package:3000
  • Min Order:10
  • Mark/silk print/code/type:VHC157
  • Package:TSSOP-16

逻辑类型
Logic Type
多路复用器 Multiplexer
电路数
Number of Circuits
4 x 2:1
输入数
Number of Inputs
1
电源电压Vcc
Voltage - Supply
8mA,8mA
静态电流Iq
Current - Quiescent (Max)
单电源 Single Supply
输出高,低电平电流
Current - Output High, Low
2 V ~ 5.5 V
低逻辑电平
Logic Level - Low
The MC74VHC157 is an advanced high--speed CMOS quad 2--channel multiplexer, fabricated with silicon gate CMOS technology. It achieves high--speed operation similar to equivalent Bipolar--Schottky TTL, while maintaining CMOS low--power dissipation. It consists of four 2--input digital multiplexers with common select (S) and enable (E) inputs. When E is held High, selection of data is inhibited and all the outputs go Low.The select decoding determines whether the A or B inputs get routed to the corresponding Y outputs.The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. The inputs tolerate voltages up to 7 V, allowing the interface of 5 V systems to 3 V systems. High Speed: tPD = 4.1 ns (Typ) at VCC = 5 V Low Power Dissipation: ICC = 4 mA (Max) at TA = 25°C High Noise Immunity: VNIH = VNIL = 28% VCC Power Down Protection Provided on Inputs Balanced Propagation Delays Designed for 2 V to 5.5 V Operating Range Low Noise: VOLP = 0.8 V (Max) Pin and Function Compatible with Other Standard Logic Families Latchup Performance Exceeds 300 mA ESD Performance: HBM > 2000 V; Machine Model > 200 V Chip Complexity: 82 FETs
高逻辑电平
Logic Level - High
MC74VHC157是一种先进的 - 高速CMOS四-2 通道多路复用器,用硅栅CMOS技术制造。它实现了类似于等效双极-肖特基TTL的高速运转,同时保持CMOS低-功耗。 它由四个有着共同选择(S)和使能(E)输入的2-输入数字多路复用器组成。当E保持高,数据选择被禁止,所有输出变低。选择解码决定是否将A或B输入路由到相应的Y输出。内部电路由三个阶段组成,包括一个缓冲区输出,提供高抗干扰性和稳定的输出。耐输入电压高达7 V,3 V系统允许5 V系统的接口。 高速:TPD= 4.1 ns(典型值),VCC= 5 V 低功耗:ICC= 4 mA(最大),在TA= 25°C时 高抗干扰:VNIH= VNIL=28%VCC 断电保护的输入端 平衡传输延时 设计用于2 V至5.5 V工作范围 低噪声:VOLP= 0.8 V(最大值) 引脚和功能兼容与其他标准逻辑系列 闭锁性能超过300毫安 ESD性能:HBM>2000 V机型号>200 V 芯片的复杂性:82场效应管
传播延迟时间@Vcc,CL
Max Propagation Delay @ V, Max CL
Description & Applications
描述与应用

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