CD74HC273MG4

Overview

The CD74HC273MG4 is a high-speed CMOS logic octal D-type flip-flop manufactured by Texas Instruments. It features eight independent D-type flip-flops with a common master reset input, housed in a 20-pin SOIC package. The device operates within a supply voltage range of 2 V to 6 V and supports data rates up to 20 MHz at nominal supply conditions. It exhibits a maximum propagation delay of 150 ns and provides output drive currents of ±5.2 mA. The component functions across an extended industrial temperature range from -55°C to +125°C.

Feature Summary

• Integrates eight independent D-type flip-flops for parallel data storage
• Includes a common master reset input for synchronous clearing of all outputs
• Supports wide operating supply voltage ranges compatible with standard logic families
• Provides non-inverting outputs with defined drive capabilities

Applications

• Parallel-to-serial data conversion circuits
• Shift register configurations for data expansion
• Memory address latching in microprocessor systems
• General-purpose digital storage applications

Procurement Notes

Verify the specific suffix 'G4' against current manufacturer documentation to confirm lead times and availability status. Ensure that the RoHS compliance designation matches project requirements. Cross-reference the ordering information with official distributor catalogs to validate packaging options and ensure compatibility with automated assembly processes.

Selection Notes

Select this component when designing systems requiring multiple synchronized data storage elements within a single integrated circuit. Consider the 20-pin SOIC package for surface-mount assembly constraints. Evaluate the 2 V to 6 V operating range against system power budgets. Confirm that the 20 MHz speed rating meets the timing requirements of the target application interface.

Part Context

This part belongs to the Texas Instruments HC series of high-speed CMOS logic devices. The family is characterized by low power consumption and compatibility with TTL logic levels. The octal configuration distinguishes it from hex or quad variants within the same logical architecture, offering higher integration density for complex digital designs.

Replacement Considerations

The CD74HC273M serves as a direct functional equivalent without the G4 suffix. Verify pinout compatibility and electrical specifications before substitution. Check for any changes in packaging or environmental compliance between the original and replacement part numbers.