The 74HC125 is identical in pinout to the LS125. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

The HC125 noninverting buffer is designed to be used with 3−state memory address drivers, clock drivers, and other bus−oriented systems. The device has four separate output enables that are active−low.

Features

• Output Drive Capability: 15 LSTTL Loads

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 2.0 to 6.0 V

• Low Input Current: 1.0 μA

• High Noise Immunity Characteristic of CMOS Devices

• In Compliance with the JEDEC Standard No. 7A Requirements

• ESD Performance: HBM  2000 V; Machine Model  200 V

• Chip Complexity: 72 FETs or 18 Equivalent Gates

• These are Pb−Free Devices

74HC125DR2G属于集成电路（IC） > 缓冲器，驱动器，接收器，收发器。安森美半导体公司制造生产的74HC125DR2G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。