SN74F126DR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74F126DR is a quadruple bus buffer gate with three-state outputs manufactured by Texas Instruments. It belongs to the F (FAST) logic series and utilizes bipolar technology. The device operates within a supply voltage range of 4.5 V to 5.5 V. It features four non-inverting input lines and corresponding outputs capable of driving loads with a low-level output current of 64 mA and a high-level output current of -15 mA. The propagation delay is specified at 7.5 ns when operating at 5 V. The component is housed in a 14-pin SOIC package and supports surface-mount installation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides quadruple bus buffering functionality with independent control for each channel
• Features three-state outputs to facilitate data bus management and isolation
• Delivers high-speed signal transmission characteristics typical of the FAST logic family

Buffers, Drivers, Receivers, Transceivers Applications

• Data bus driver applications requiring high-speed performance
• Clock drivers for distributing timing signals across circuits
• Bus-oriented architectures utilizing three-state output control

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix to confirm the tape and reel packaging configuration, as indicated by the 'R' designation. Ensure compatibility with standard SOIC-14 footprint requirements during PCB layout. Confirm that the selected variant meets the required RoHS compliance standards for your manufacturing process. Cross-reference the manufacturer part number against official Texas Instruments documentation to validate authenticity and revision history before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require fast switching speeds and high drive capability for bus structures. The SN74F126DR is suitable for applications needing non-inverted signal buffering with tri-state control. Consider the 4.5 V to 5.5 V operating range to ensure proper logic level interfacing. Evaluate the thermal performance within the 0°C to +70°C industrial temperature range for environmental suitability.

Buffers, Drivers, Receivers, Transceivers Part Context

This component is part of the SN74F126 series of quadruple bus buffers with three-state outputs. It shares functional similarities with other devices in the FAST logic family, such as the SN74F125, though pinout and enable configurations may differ. The DR suffix denotes a specific tape-and-reel packaging option designed for automated assembly processes, distinguishing it from tube-packaged variants like the D suffix.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers include SN74F126D and SN74F126DR.A.