74ABT125CSCX

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ABT125CSCX is a quad bus buffer and line driver from the ABT logic series, manufactured by Fairchild Semiconductor. It features four independent non-inverting buffers with three-state outputs in a 14-lead Small Outline Integrated Circuit (SOIC) package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports surface mount installation. It provides high drive capability with an output sink current of 64 mA and a source current of 32 mA. The propagation delay is specified at 4.6 ns, ensuring fast signal transmission. The component functions reliably across an operating temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains four independent non-inverting buffers with three-state outputs for flexible bus management.
• Provides high output drive capability with significant sink and source current capacities.
• Ensures high impedance glitch-free bus loading during power-up and power-down cycles.
• Supports nondestructive hot insertion to prevent damage during live circuit connections.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus-oriented transmitter/receiver circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'CSCX' against official manufacturer documentation to confirm the exact package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 14-lead SOIC form factor. Confirm RoHS compliance status through the latest datasheet revision. Validate that the ABT logic family characteristics align with the target system's voltage and speed requirements before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-speed data buffering with strong drive capabilities. The ABT technology offers superior performance compared to standard TTL or CMOS alternatives. Consider the three-state output feature for efficient bus sharing applications. Verify that the 5V supply requirement matches the system architecture. Evaluate the thermal performance within the specified operating temperature range for the intended environment.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74ABT125 series of quad bus buffers. It is functionally equivalent to other manufacturers' 74ABT125 devices but may differ in packaging or specific electrical tolerances. The 'CSCX' designation typically indicates a specific reel quantity and package variant offered by Fairchild. It serves as a critical interface component in digital logic designs requiring signal isolation and amplification.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for cross-manufacturer equivalents such as those from Texas Instruments or onsemi. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure the replacement part supports the same 3-state functionality and drive currents. Review any changes in propagation delay or power consumption that might impact system timing.