SN74AHCT125DRE4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHCT125DRE4 is a quadruple bus buffer gate with three-state outputs manufactured by Texas Instruments. It belongs to the 74AHCT logic series, utilizing CMOS technology for high-speed operation while maintaining TTL-compatible input levels. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a wide operating temperature range from -40°C to +85°C. It features four independent channels, each providing non-inverting buffering with an output enable control. The component is housed in a 14-pin SOIC package designed for surface-mount applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides four independent non-inverting buffer channels with three-state output capability
• Ensures compatibility with standard TTL logic input voltage levels through HCT architecture
• Incorporates low static power consumption characteristics typical of CMOS technology
• Features controlled output enable inputs to manage data flow on shared buses

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and address driver circuits
• Clock distribution and buffering in digital systems
• Voltage translation between different logic families
• High-performance register banks and data acquisition systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'E4' indicates lead-free composition and RoHS compliance status as per manufacturer documentation. Confirm the package type corresponds to the standard SOIC-14 footprint required for the target PCB layout. Ensure the operating temperature grade matches the environmental requirements of the final assembly. Cross-reference the datasheet revision to confirm pinout consistency with existing designs.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when TTL-compatible inputs are required alongside CMOS drive strength and speed. The AHCT series bridges the gap between older TTL standards and modern CMOS performance. Consider the 14-pin SOIC package for ease of prototyping and automated assembly. Evaluate the propagation delay specifications against the system timing constraints to ensure signal integrity across the bus structure.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is a member of the Texas Instruments 74AHCT125 family of quadruple bus buffers. The family offers various packaging options including SOIC, SSOP, TSSOP, and VQFN to suit different space and thermal constraints. The 'DRE4' designation specifically identifies the SOIC-14 package variant with tape-and-reel packaging and lead-free construction.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AHCT125DRG4: Pin-compatible alternative with similar electrical characteristics and lead-free construction.