74LVQ125MTR

Overview

The STMicroelectronics 74LVQ125MTR is a low-voltage CMOS quad bus buffer with three-state outputs, manufactured using sub-micron silicon gate and double-layer metal wiring C2MOS technology. It operates within a supply voltage range of 2V to 3.6V, featuring a typical propagation delay of 5ns at 3.3V. The device provides symmetrical output impedance with minimum drive currents of 12mA at 3.0V and guarantees PCI bus levels at 24mA. It includes protection circuits against static discharge for 2kV ESD immunity.

Feature Summary

• Low power dissipation with maximum quiescent current of 4µA at 25°C
• Low noise performance with typical dynamic low voltage quiet output of 0.3V at 3.3V
• Capable of driving 75Ω transmission lines
• Balanced propagation delays where tPLH is approximately equal to tPHL

Applications

• Low power and low noise 3.3V applications
• PCI bus level interfacing
• Transmission line driving

Procurement Notes

Verify the specific package type required for your design, as the MTR suffix indicates tape and reel packaging in SOP-14 format. Confirm that the operating temperature range of -55°C to 125°C aligns with your system requirements. Ensure input voltage levels remain within the specified 0V to VCC limits to maintain functional operation and prevent damage to the internal protection circuits.

Selection Notes

Select this component when designing systems requiring high-speed buffering with low power consumption. It is suitable for applications needing symmetrical drive strength and compatibility with TTL outputs. Consider its wide operating voltage range and improved latch-up immunity for robust performance in industrial or portable environments where signal integrity and low noise are critical.

Part Context

This part belongs to the 74LVQ series of low-voltage quad bus buffers. It shares pin and function compatibility with the standard 74 Series 125 devices while offering enhanced performance characteristics such as lower power dissipation and improved noise immunity due to its advanced CMOS fabrication process.

Replacement Considerations

Check for direct pin-compatible alternatives from other manufacturers that support the 2V to 3.6V operating range. Verify that any substitute maintains the required 3-state control logic and meets the necessary drive current specifications for your specific load conditions.