74AC125MTR

Buffers, Drivers, Receivers, Transceivers Overview

The STMicroelectronics 74AC125MTR is a quad bus buffer featuring three-state outputs, manufactured using advanced sub-micron CMOS technology. It operates within a supply voltage range of 2V to 6V and supports high-speed signal transmission with typical propagation delays of 4ns at 5V. The device provides symmetrical output impedance with minimum drive currents of 24mA for both high and low states. It includes protection circuits against static discharge, ensuring 2kV ESD immunity. The component is housed in a 14-pin SOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Advanced high-speed CMOS fabrication utilizing sub-micron silicon gate and double-layer metal wiring technology
• Three-state control input allows outputs to enter a high-impedance state when the enable input is set high
• Integrated protection circuits provide immunity against static discharge and transient excess voltage
• Capable of driving 50Ω transmission lines with balanced propagation delays

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data buffering in digital communication systems
• Driving 50Ω transmission lines in signal processing applications
• Interface buffering between logic families requiring 3-state control

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code suffix to confirm the tape and reel packaging format required for automated assembly processes. Confirm that the component meets RoHS compliance standards relevant to your manufacturing region. Ensure the operating temperature range aligns with the environmental conditions of the final application design.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a quad buffer with three-state functionality is required for high-speed signal integrity. The wide operating voltage range from 2V to 6V offers flexibility for various power supply architectures. Consider the 14-pin SOP package dimensions for PCB layout constraints and thermal management requirements during the design phase.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC series of advanced CMOS logic devices, designed for high-speed performance. It is functionally compatible with the standard 74 series 125 pinout while offering improved speed and lower power dissipation characteristics. The MTR suffix specifically denotes the surface-mount tape and reel packaging variant.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct replacements include the 74AC125B (DIP) and 74AC125TTR (TSSOP). Verify pin compatibility and electrical specifications before substituting.