74AC125PC

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74AC125PC is a high-speed CMOS quad buffer with three-state outputs. It operates within a supply voltage range of 2V to 6V and supports an operating temperature range from -40°C to 85°C. The device features four independent non-inverting buffers, each with its own output enable control. It utilizes a 16-pin plastic dual in-line package (DIP) with a standard .300-inch width. The logic series is designated as AC, indicating advanced CMOS technology optimized for speed and power consumption.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains four independent non-inverting buffer circuits
• Provides three-state output capability for bus driving applications
• Operates across a wide supply voltage range of 2V to 6V
• Supports industrial temperature environments from -40°C to 85°C

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and signal switching
• Clock drivers and buffering
• High impedance data line isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific manufacturer origin, as Fairchild Semiconductor's logic division was acquired by onsemi. Ensure the component matches the original Fairchild specifications if legacy compatibility is required. Confirm the package type is the standard 16-pin DIP and check for RoHS compliance status depending on the production batch date.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a quad buffer with three-state outputs is needed for 2V to 6V systems. It serves as a direct functional replacement for other 74AC125 variants in DIP packages. Consider the propagation delay characteristics typical of the AC series for timing-sensitive designs. Verify pinout compatibility with existing PCB layouts before integration.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC logic family, which offers higher speed and lower power consumption compared to standard 74HC devices. The 74AC125 specifically provides buffered outputs suitable for driving multiple loads or long traces. It is commonly used in digital systems requiring signal isolation or bus management.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

MC74AC125PC onsemi is a parameter-equivalent substitute.