DESCRIPTION

The M54/74HC125/126 are high speed CMOS QUAD BUS BUFFER (3-STATE) FABRICATED IN SILICON GATE C2MOS technology.

■ HIGH SPEED

tPD = 8 ns (TYP.) AT VCC = 5 V

■ LOW POWER DISSIPATION

ICC = 4 µA (MAX.) AT 25 °C

■ OUTPUT DRIVE CAPABILITY

15 LSTTL LOADS

■ BALANCED PROPAGATION DELAYS

tPLH = tPHL

■ SYMMETRICAL OUTPUT IMPEDANCE

IOL = |IOH| = 6 mA (MIN.)

■ HIGH NOISE IMMUNITY

VNIH = VNIL = 28 VCC (MIN.)

■ WIDE OPERATING VOLTAGE RANGE

VCC (OPR) = 2 V TO 6 V

■ PIN AND FUNCTION COMPATIBLE

WITH 54/74LS125/126

M74HC125属于集成电路（IC） > 缓冲器，驱动器，接收器，收发器。意法半导体（ST）集团制造生产的M74HC125缓冲器，驱动器，接收器，收发器逻辑缓冲器、驱动器、接收器和收发器允许隔离对某个电路的逻辑信号的访问，以用于另一电路。缓冲器将其输入信号（不变或反相）传递到其输出，并可能用于清除弱信号或驱动负载。在布尔逻辑仿真器中，缓冲器主要用于增加传播延迟。逻辑接收器和收发器允许在数据总线之间进行隔离通信。