MC74HC125AFELG

Overview

The MC74HC125AFELG is a high-performance silicon-gate CMOS quad 3-state non-inverting buffer manufactured by onsemi. It operates within a supply voltage range of 2.0 V to 6.0 V and features four independent output enables that are active-low. The device provides an output drive capability of 15 LSTTL loads and ensures low input current of 1.0 μA. It exhibits high noise immunity characteristic of CMOS devices and is designed for use with 3-state memory address drivers, clock drivers, and other bus-oriented systems.

Feature Summary

• Quad 3-state non-inverting buffer design
• Active-low output enable control
• High noise immunity compatible with standard CMOS outputs

Applications

• 3-state memory address drivers
• Clock drivers
• Bus-oriented systems

Procurement Notes

Verify the specific suffix AFELG against official datasheets to confirm package type and tape/reel specifications. Ensure compatibility with system voltage requirements between 2.0 V and 6.0 V. Confirm RoHS compliance status through manufacturer documentation prior to integration.

Selection Notes

Select this component for applications requiring quad buffering with independent 3-state control. It serves as a pin-compatible alternative to LS125 devices while offering improved CMOS performance. Suitable for designs needing direct interface to CMOS, NMOS, and TTL logic families.

Part Context

This part belongs to the 74HC125 family of high-speed CMOS logic buffers. It shares pinout compatibility with LS125 devices, facilitating drop-in replacements in legacy designs. The series is characterized by low power consumption and high speed operation suitable for general-purpose digital logic applications.

Replacement Considerations

MC74HC125ADTR2G

FAQ

What is the polarity of the output enable signal?

The output enables are active-low.

Is the device compatible with LSTTL outputs?

Yes, with pullup resistors, the inputs are compatible with LSTTL outputs.