M74HC125RM13TR

Overview

The M74HC125RM13TR is a high-speed CMOS quad bus buffer with 3-state outputs, fabricated using silicon gate C2MOS technology. It operates within a supply voltage range of 2V to 6V and features symmetrical output impedance with a minimum drive capability of 6mA for both high and low states. The device includes Schmitt trigger inputs for noise immunity and provides balanced propagation delays. It is housed in a 14-pin SOIC package.

Feature Summary

• Quad bus buffer configuration with independent 3-state control inputs
• High-speed operation with typical propagation delay of 8ns at 6V supply
• Low power dissipation with maximum quiescent current of 4μA
• High noise immunity with input thresholds defined as 28% of VCC

Applications

• Data bus buffering applications requiring controlled signal direction
• Clock distribution networks utilizing 3-state isolation capabilities
• Memory interface circuits managing data flow between components

Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors or certified partners. Confirm the specific ordering suffix RM13TR corresponds to the SO-14 tape and reel packaging format. Ensure compliance with RoHS directives and check for any relevant automotive qualification standards if applicable to the target environment.

Selection Notes

Select this component when a quad buffer with 3-state functionality is required for high-speed digital systems. Consider the wide operating voltage range suitable for various logic families. Evaluate the package constraints against board space requirements and verify thermal performance under expected load conditions.

Part Context

This part belongs to the M74HC125 series of quad bus buffers manufactured by STMicroelectronics. It is designed for general-purpose digital logic applications requiring signal buffering and isolation. The HC logic family ensures compatibility with standard TTL levels while offering improved speed and lower power consumption compared to older technologies.

Replacement Considerations

CD74HC125E Texas Instruments