M74HC253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

M74HC253属于集成电路（IC）的信号开关多路复用器解码器。由意法半导体集团制造生产的M74HC253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。

DESCRIPTION

The M54/74HC153 and M54/74HC253 are high speed CMOS DUAL 4-CHANNEL MULTIPLEXERS fabricated with silicon gate C2MOS technology.

■ HIGH SPEED

tPD = 12 ns (TYP.) at VCC = 5 V

■ LOW POWER DISSIPATION

ICC = 4 µA (MAX.) at TA = 25 °C

■ HIGH NOISE IMMUNITY

VNIH = VNIL = 28 VCC (MIN.)

■ OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

■ SYMMETRICAL OUTPUT IMPEDANCE

|IOH = IOL = 4 mA (MIN.)

■ BALANCED PROPAGATION DELAYS

tPLH = tPHL

■ WIDE OPERATING VOLTAGE RANGE

VCC (OPR) = 2 V to 6 V

■ PIN AND FUNCTION COMPATIBLE WITH

54/74LS153/253