74ACT125SJX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACT125SJX is a quad buffer with 3-state outputs in a 14-lead Small Outline Package (SOP). It operates at a supply voltage of 4.5V to 5.5V. The device features non-inverting logic, sourcing and sinking 24mA output currents. Propagation delay is typically 6.5ns at 5V. Input leakage current is ±0.1µA typical. Quiescent supply current is 4.0µA typical.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains four independent non-inverting buffers with 3-state outputs
• Outputs capable of sourcing and sinking 24mA
• ACT series provides TTL-compatible outputs

Buffers, Drivers, Receivers, Transceivers Applications

• Bus driver applications requiring high drive capability
• Clock buffering and distribution
• Data bus transceivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer origin as this part was originally produced by Fairchild Semiconductor. Confirm the SOP-14 package width matches EIAJ TYPE II specifications. Ensure the suffix 'X' indicates tape and reel availability if required for automated assembly processes.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a 5V logic family with strong drive strength is needed. The ACT series ensures compatibility with TTL input thresholds while maintaining CMOS noise immunity. Verify that the 3-state control signals are properly managed to prevent bus contention during operation.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the AC/ACT logic family, designed for high-speed digital applications. The 74ACT125 variant specifically targets 5V systems requiring robust signal integrity. It serves as a fundamental building block for data routing and isolation in complex digital circuits.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for equivalents from other manufacturers offering the same ACT logic family and SOP-14 footprint. Ensure pinout compatibility and electrical characteristics match the original design requirements before substitution.