74ABT273CMSAX

Flip Flops Overview

The Fairchild Semiconductor 74ABT273CMSAX is an octal D-type flip-flop belonging to the ABT logic series. It features eight positive-edge-triggered D inputs and corresponding non-inverting outputs, housed in a 20-pin SSOP package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical specifications include a propagation delay of 6.8 ns, a high-level output current capability of -32 mA, and a low-level output current of 64 mA. Quiescent current is specified at 50 µA. It supports surface-mount installation and functions across an industrial temperature range.

Flip Flops Feature Summary

• Octal configuration providing eight independent D-type flip-flops with positive-edge triggering
• High drive capability with 64 mA low-level and 32 mA high-level output currents
• Fast switching performance characterized by 6.8 ns propagation delay

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Register arrays for temporary data storage
• Timing control and synchronization logic

Flip Flops Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific manufacturing lot details against current datasheets. Note that this part may be discontinued; validate availability and lead times carefully before finalizing procurement plans.

Flip Flops Selection Notes

Select this component when requiring high-speed octal latching with strong output drive capabilities. Ensure the design accommodates the 4.5 V to 5.5 V operating range and SSOP-20 footprint. Consider thermal management requirements given the high current ratings during active switching states.

Flip Flops Part Context

This device is part of the 74ABT family, which combines advanced technology with standard logic functionality. It serves as a successor to older 74S and 74LS series components, offering improved speed and drive strength while maintaining pin compatibility with certain legacy designs.

Flip Flops Replacement Considerations

Cross-reference with 74ABT273CMSA for potential equivalent functionality. Verify pinout and electrical characteristics match exactly before substitution.