74ABT126CSJ

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ABT126CSJ is a quad buffer with 3-STATE outputs manufactured using ABT BiCMOS technology. It features four independent non-inverting buffers, each capable of driving high loads with an output sink capability of 64 mA and source capability of 32 mA. The device operates within a voltage range of 4.5 V to 5.5 V. It is housed in a 14-Lead (0.300× Wide) Molded Small Outline package, designated as EIAJ M14D.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains four independent non-inverting buffer elements
• Provides 3-STATE output control for bus-oriented applications
• Utilizes ABT BiCMOS technology for high-speed performance

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and address drivers
• Clock buffering and distribution
• High-current driving of TTL or CMOS loads

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix CSJ corresponds to the 14-Lead Wide SOIC (EIAJ M14D) package configuration. Confirm that the manufacturer designation aligns with current onsemi branding, as Fairchild Semiconductor has been acquired. Ensure the component meets the required operating temperature range and voltage specifications for your target application before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a quad non-inverting buffer with high drive strength is required. The 64 mA sink current makes it suitable for direct driving of heavy capacitive loads or multiple inputs without intermediate stages. Consider the 3-STATE feature if bus isolation is necessary. Verify compatibility with the system's logic family and supply voltage constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ABT series of high-speed BiCMOS logic devices. The 74ABT126 specifically provides buffering functionality with tri-state outputs. It is designed to replace older 74S or 74LS equivalents while offering significantly faster switching speeds and lower power consumption. The wide SOIC package facilitates surface-mount assembly.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct pin-compatible substitutes include the 74ABT126 from other manufacturers such as NXP or Texas Instruments, provided they support the same 4.5V–5.5V operating range and 64mA sink current. Verify package dimensions match the 14-Lead Wide SOIC specification.