74ABT125D/AUJ

Buffers, Drivers, Receivers, Transceivers Overview

The NXP USA Inc. 74ABT125D/AUJ is a quad buffer and line driver featuring 3-state outputs controlled by active-low output enable inputs (nOE). It utilizes BiCMOS technology to provide high-speed performance with low static power dissipation. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports direct interfacing with TTL levels. It includes IOFF circuitry for partial power-down applications, preventing backflow current when powered down. The component is specified for operation from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Quad bus interface with 3-state buffers
• IOFF circuitry enables partial power-down mode operation
• Live insertion and extraction permitted

Buffers, Drivers, Receivers, Transceivers Applications

• Driving bus lines in digital systems
• Partial power-down applications requiring backflow prevention
• Interfaces requiring direct TTL level compatibility

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package type against the datasheet ordering information, as the AUJ suffix may indicate a specific variant or packaging option not explicitly detailed in the standard SO14 listing. Confirm RoHS compliance status directly with the manufacturer or authorized distributor before procurement. Ensure the source document matches the exact part number to avoid discrepancies in electrical characteristics or pin configurations.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring high-speed buffering with strong output drive capabilities. The BiCMOS technology offers a balance of speed and power efficiency suitable for general-purpose logic interfaces. Consider the available package options, such as SO14, TSSOP14, or DHVQFN14, based on board space and thermal requirements. Verify that the operating temperature range meets the environmental conditions of the target application.

Buffers, Drivers, Receivers, Transceivers Part Context

The 74ABT125 belongs to the ABT logic family, which combines the speed of bipolar transistors with the low power consumption of CMOS technology. This family is designed for high-performance digital applications where fast switching speeds are critical. The quad buffer configuration allows for the management of four independent signal paths, making it versatile for various bus-oriented architectures.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct replacements include the 74ABT125D from Nexperia and the SN74ABT125DR from Texas Instruments. These parts share similar functional descriptions and electrical characteristics. Verify pinout compatibility and package dimensions before substitution to ensure mechanical fit and correct electrical connections.