SN74AHC125BQAR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHC125BQAR is a quadruple bus buffer gate with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 5.5 V and features four individual output enable pins for independent control. The device utilizes a WQFN-14 package, measuring 3 mm by 2.5 mm. It supports an operating free-air temperature range from -40 °C to +125 °C. Electrical characteristics include a high-level output current of -8 mA and a low-level output current of 8 mA at 5 V. Static current is specified at 4 µA.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Features four non-inverting buffers with independent output enable controls
• Provides 3-state outputs that enter high-impedance state when enabled input is high
• Supports wide operating voltage range from 2 V to 5.5 V
• Includes latch-up performance exceeding 250 mA per JESD 17

Buffers, Drivers, Receivers, Transceivers Applications

• Flow Meters
• Programmable Logic Controllers
• Power Over Ethernet (PoE)
• Motor Drives and Controls
• Electronic Point-of-Sale

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific BQA ordering suffix corresponds to the WQFN-14 package configuration required for your design. Confirm RoHS compliance and lead-free status through official manufacturer documentation before finalizing procurement. Ensure the active production status is validated against the latest TI product folder data to avoid obsolete components.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when independent control of multiple bus lines is necessary within a compact footprint. The wide voltage range accommodates various logic levels between 2 V and 5.5 V. Consider the thermal resistance values provided in the datasheet for adequate heat dissipation in dense PCB layouts. Verify input transition rates match system requirements to ensure proper switching performance.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SNx4AHC125 family of quadruple bus buffer gates. It shares functional similarities with other packages like SOIC and TSSOP but offers a smaller body size suitable for space-constrained applications. The BQA suffix specifically denotes the WQFN package type, distinguishing it from standard surface-mount options while maintaining identical electrical functionality.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AHC125RGYR serves as a direct pin-compatible alternative using the RGY VQFN package.