TC74LCX273FT-ELK(M

Overview

The TC74LCX273FT-ELK(M) is a single D-type flip-flop from Toshiba’s LCX series, housed in a 20-TSSOP package. It operates on a supply voltage range of 2V to 3.6V and supports clock frequencies up to 150MHz. The device features non-inverted outputs and includes an asynchronous clear function. Key electrical parameters include a maximum propagation delay specified at specific load conditions and a maximum output low voltage of 0.8V at VCC=3.3V. It is designed for low-power CMOS applications with high noise immunity.

Feature Summary

• Single 8-bit D-type flip-flop configuration with positive edge triggering
• Asynchronous clear input for immediate state reset
• Low-voltage operation compatible with 2V to 3.6V power supplies
• High-speed performance supporting clock frequencies up to 150MHz

Applications

• Parallel-to-serial data conversion circuits
• Buffer memory storage elements in digital systems
• Shift register implementations
• Timing control logic in embedded processors

Procurement Notes

Verify the complete part number including suffixes such as ELK(M) to ensure correct packaging and tape/reel specifications. Confirm RoHS compliance status and lead times with authorized distributors. Check for obsolescence notices or lifecycle changes directly from Toshiba Semiconductor and Storage documentation before finalizing procurement plans.

Selection Notes

Select this component when a single 8-bit latch with asynchronous clear is required in low-voltage environments. Ensure the operating voltage aligns with the 2V to 3.6V range. Consider the 20-TSSOP package size for PCB layout constraints. Verify that the 150MHz clock frequency meets system timing requirements compared to slower alternatives.

Part Context

This part belongs to the Toshiba 74LCX family of advanced low-voltage CMOS logic devices. It serves as a fundamental building block for sequential logic circuits. The LCX series is characterized by its compatibility with standard 3.3V and 2.5V logic levels while offering improved switching speeds over older generations.

Replacement Considerations

Direct substitutes may include other 8-bit D-type flip-flops in TSSOP-20 packages from manufacturers like ON Semiconductor or NXP, provided they match the pinout and voltage specifications. Cross-reference datasheets for propagation delay and output drive current differences.