SN74HCT125DT

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT125DT is a quadruple bus buffer gate with three-state outputs manufactured by Texas Instruments. It belongs to the HCT logic series and utilizes CMOS technology. The device operates within a supply voltage range of 4.5 V to 5.5 V. It features four non-inverting channels housed in a 14-pin SOIC package. Key electrical parameters include a maximum propagation delay of 36 ns at 4.5 V and 32 ns at 5.5 V. Output drive capabilities are specified as -6 mA for high-level and 6 mA for low-level currents. The component supports an operating temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides quadruple bus buffering functionality with independent output control
• Features three-state outputs to facilitate bus line driving applications
• Compatible with standard TTL input levels through HCT logic family design

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and address drivers
• Clock buffers and timing circuits
• Data acquisition systems requiring signal isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DT' against the manufacturer's current datasheet to confirm package dimensions and tape-and-reel specifications. Confirm RoHS compliance status and lead-free manufacturing details directly with Texas Instruments or authorized distributors, as these attributes may vary based on production batch and regional regulatory requirements.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between 5V CMOS logic and TTL-compatible devices requiring bus isolation. Ensure the application voltage remains within the 4.5V to 5.5V range to maintain specified switching speeds. Consider the SOIC-14 package constraints for PCB layout and thermal management during high-frequency operation.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is a member of the SNx4HCT125 family of quadruple bus buffers. It serves as a standard interface solution for digital systems requiring signal buffering and direction control. The HCT designation indicates compatibility with HC logic families while accepting TTL input thresholds, making it suitable for mixed-voltage system designs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Publicly confirmed substitute part numbers include SN74HCT125DTE4 and SN74HCT125DTG4. Verify pinout compatibility and electrical characteristics before substitution.