M74HCT273TTR

Flip Flops Overview

The M74HCT273TTR is an octal D-type flip-flop manufactured by STMicroelectronics, belonging to the 74HCT logic series. It features a single element with eight independent data storage bits and positive-edge triggering. The device operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 80 MHz. Key electrical parameters include a propagation delay of 30ns at 4.5V with 50pF load, output currents of 4mA for both high and low states, and a static current of 4µA. It is housed in a TSSOP-20 surface-mount package.

Flip Flops Feature Summary

• Octal configuration providing eight independent D-type flip-flops within a single integrated circuit
• Positive-edge triggered operation synchronized with the clock signal input
• Integrated master reset function for initializing all stored data bits simultaneously
• Input protection circuits designed against static discharge and transient excess voltage

Flip Flops Applications

• High-speed parallel-to-serial data conversion systems
• Digital signal processing buffer stages
• Memory address register implementations
• State machine control logic sequencing

Flip Flops Procurement Notes

Verify component authenticity through authorized distribution channels due to market availability variations. Confirm package orientation and pin alignment specifications against design requirements prior to integration. Ensure compliance with RoHS3 directives and REACH regulations for environmental standards. Validate thermal management strategies for surface-mount applications operating within the specified temperature range.

Flip Flops Selection Notes

Select this component when requiring an octal D-type flip-flop with HCT-compatible input levels interfacing with standard TTL or CMOS logic families. Consider the TSSOP-20 package constraints regarding PCB space and thermal dissipation capabilities. Evaluate the 80 MHz clock frequency limit against system timing requirements. Assess the need for master reset functionality and input protection characteristics for robust operation in noisy environments.

Flip Flops Part Context

This part belongs to the 74HCT family of high-speed CMOS logic devices, offering compatibility with 5V TTL inputs while maintaining low power consumption typical of CMOS technology. The M74HCT273 variant specifically provides octal storage capabilities, distinguishing it from quad or single-bit flip-flop alternatives within the same logical series.

Flip Flops Replacement Considerations

Public confirmed substitute part numbers include CD74HCT273E and SN74HCT273N from Texas Instruments. Verify pinout compatibility and electrical parameter equivalence before substitution.