SN74HC126DR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC126DR 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 6 V and supports an operating temperature range from -40°C to +85°C. The device provides buffered inputs, supports fanout up to 10 LSTTL loads, and offers significant power reduction compared to LSTTL logic ICs.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains four independent buffers with 3-state outputs
• Supports wide operating voltage range from 2 V to 6 V
• Features buffered inputs for signal integrity

Buffers, Drivers, Receivers, Transceivers Applications

• Enable digital signals
• Control data buses
• Disable circuitry connected to outputs

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package type (SOIC) and suffix against official documentation before procurement. Confirm RoHS compliance and lead finish specifications match project requirements. Ensure ordering details align with current manufacturer datasheets to avoid discrepancies in part identification or electrical characteristics.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits requiring quadruple buffering with high-impedance states. Consider the 2 V to 6 V supply range and -40°C to +85°C temperature limits. Evaluate load capacitance and transition times to ensure performance meets system timing requirements under specific operating conditions.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SNx4HC126 family of quadruple buffers with 3-state outputs. It performs the Boolean function Y = A in positive logic. The SN74HC126DR variant specifically utilizes a 14-pin SOIC package, distinguishing it from other package options like SSOP or PDIP within the same functional family.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC126DRE4

Buffers, Drivers, Receivers, Transceivers FAQ

What is the Boolean function performed by the SN74HC126DR?

Each gate performs the Boolean function Y = A in positive logic.

How are unused channels handled in the SN74HC126DR?

Unused channels should have their inputs terminated at ground or VCC, while the output can be left unconnected.