74LCX574WM

Overview

The Fairchild Semiconductor 74LCX574WM is an octal D-type flip-flop with 3-state outputs, belonging to the 74LCX logic series. It operates within a supply voltage range of 2.0V to 3.6V and features a propagation delay of 9.5ns. The device provides single-ended inputs and outputs, with output drive capabilities of -24mA (high) and +24mA (low). Packaged in a 20-pin SOIC, it supports surface-mount installation and functions across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Octal D-type flip-flop architecture with 3-state outputs for bus interfacing
• Low voltage operation compatible with 2.0V to 3.6V power supplies
• High-speed performance with 9.5ns propagation delay
• Robust output drive strength of ±24mA for reliable signal transmission

Applications

• Parallel data storage and buffering in digital systems
• Interface between microprocessors and peripheral devices
• Clocked data registration in communication circuits
• Bus driver applications requiring tri-state control

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lot traceability upon receipt. Check for obsolescence notices as availability may be limited. Ensure proper ESD handling procedures during storage and assembly to maintain device integrity.

Selection Notes

Select this component when designing low-voltage logic systems requiring octal data latching. Consider the 2.0V-3.6V operating range and 9.5ns speed for timing compatibility. Evaluate the SOIC-20 package constraints against PCB layout requirements. Compare output drive current needs against load capacitance to ensure signal integrity.

Part Context

This part belongs to the 74LCX family of low-voltage CMOS logic devices. These components are designed for high-speed operation while maintaining low power consumption. The 74LCX series typically offers pin-compatible alternatives across various logic functions, facilitating design flexibility in mixed-voltage environments.

Replacement Considerations

• 74LCX574MX
• 74LCX574MTX