MC74HC125ADR2G

Overview

The MC74HC125ADR2G is a quad 3-state noninverting buffer manufactured by onsemi. It utilizes high-performance silicon-gate CMOS technology and operates within a supply voltage range of 2.0 V to 6.0 V. The device features four independent output enables that are active-low, allowing for precise control in bus-oriented systems. It provides an output drive capability equivalent to 15 LSTTL loads and maintains low input current characteristics typical of CMOS devices.

Feature Summary

• Provides four independent noninverting buffers with active-low output enables
• Designed for use in 3-state memory address drivers, clock drivers, and bus-oriented systems
• Outputs directly interface to CMOS, NMOS, and TTL logic families

Applications

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

Procurement Notes

Verify the specific ordering suffix 'R2G' corresponds to the SOIC-14 package and tape & reel shipping configuration as documented in the official datasheet. Confirm that the component meets RoHS compliance standards and is lead-free. Ensure the procurement matches the exact manufacturer part number to guarantee compatibility with the specified electrical parameters and physical dimensions.

Selection Notes

Select this component when designing circuits requiring quad noninverting buffering with 3-state control capabilities. It is suitable for applications needing direct interfacing with various logic families including CMOS, NMOS, and TTL. Consider the operating voltage range of 2.0 V to 6.0 V and the requirement for active-low output enables when integrating into system architectures.

Part Context

This component belongs to the MC74HC125A family of high-performance silicon-gate CMOS logic devices. It shares identical pinouts with LS125 equivalents, facilitating drop-in replacements in existing designs. The device is part of a broader series that includes variants like the MC74HCT125A and MC74HC126A, which differ in input compatibility and output enable polarity respectively.

Replacement Considerations

MC74HC125ADG

FAQ

What is the polarity of the output enables for the MC74HC125A?

The output enables for the MC74HC125A are active-low.

How does the MC74HC125A compare to the MC74HC126A regarding pinout?

The MC74HC125A and MC74HC126A are identical in pinout, differing only in that the HC126A has active-high output enables.