74LVX574MTCX

Overview

The 74LVX574MTCX is an octal D-type flip-flop manufactured by Fairchild Semiconductor, designed for low-voltage CMOS applications. It operates within a supply voltage range of 2.0V to 3.6V and features three-state outputs. The device is housed in a 20-TSSOP package with a width of 4.40mm. It supports a maximum clock frequency of 150MHz at 3.3V and exhibits a propagation delay of 4.6ns under standard load conditions. The component complies with RoHS standards and is lead-free.

Feature Summary

• Octal D-type flip-flop architecture providing eight independent data storage elements
• Three-state output configuration allowing direct bus connection without external buffers
• Low power consumption characteristics suitable for battery-operated systems
• High-speed performance optimized for portable electronics and high-density memory applications

Applications

• Portable equipment requiring low voltage operation
• Memory module address latching
• Bus-oriented architectures
• High-density memory systems

Procurement Notes

Verify the manufacturer designation as Fairchild Semiconductor or onsemi, noting that Fairchild's semiconductor division was acquired by onsemi. Confirm the specific package marking matches the 20-TSSOP form factor. Ensure the part number suffix aligns with the required tape and reel quantity if applicable. Check for RoHS compliance documentation to meet environmental regulations. Validate the operating temperature range against system requirements.

Selection Notes

Select this component when an octal D-type flip-flop with three-state outputs is required for low-voltage logic interfaces. It is appropriate for designs needing high-speed data storage with minimal power consumption. Consider the 2.0V to 3.6V supply range compatibility with modern microcontrollers. The TSSOP package offers space efficiency for dense PCB layouts. Ensure the input voltage levels match the system logic family.

Part Context

This component belongs to the 74LVX series of low-voltage CMOS logic devices. It serves as a fundamental building block for digital data storage in sequential logic circuits. The octal configuration allows for parallel data handling, making it suitable for wide data buses. It complements other logic families by providing reliable state retention in low-power environments.

Replacement Considerations

Direct substitutes include the SN74LVX574 from Texas Instruments. Verify pinout compatibility and electrical specifications before substitution. Check for any differences in packaging or thermal characteristics.