MC74VHCT125AMEL

Overview

The MC74VHCT125AMEL is a quad bus buffer with 3-state control inputs, fabricated using high-speed silicon gate CMOS technology. It operates within a supply voltage range of 2 V to 5.5 V. The device features four independent non-inverting buffers, each with a dedicated output enable input. It provides low input current and high noise immunity, ensuring stable operation in various digital logic environments.

Feature Summary

• High-speed CMOS fabrication for efficient signal buffering
• Quad configuration with independent 3-state outputs
• Wide operating voltage compatibility from 2 V to 5.5 V
• Low input current reduces loading on preceding circuits

Applications

• Memory address drivers
• Clock drivers
• Bus-oriented systems

Procurement Notes

Verify the package type matches your PCB footprint requirements, as this component is available in SOEIAJ-14 or similar surface-mount configurations. Confirm RoHS compliance status with the supplier, as historical data indicates potential variations in environmental certification for specific manufacturing batches. Ensure the voltage supply range aligns with your system's power rails before integration.

Selection Notes

Select this component when a quad non-inverting buffer with 3-state capability is required for bus applications. It is suitable for designs needing wide voltage tolerance between 2 V and 5.5 V. Consider its high-speed CMOS characteristics for applications demanding low power consumption and high noise immunity compared to standard TTL alternatives.

Part Context

This part belongs to the VHCT series of high-speed CMOS logic devices. It serves as a buffer and line driver, providing signal isolation and drive enhancement. The device is designed to interface with various logic families, offering robust performance in digital circuit design for memory and clock distribution tasks.

Replacement Considerations

Check for compatible quad bus buffers with 3-state outputs from other manufacturers. Verify pinout compatibility and electrical specifications such as supply voltage range and output drive strength before substitution.