74AC273PC

Overview

The onsemi 74AC273PC is an octal D-type flip-flop belonging to the 74AC logic series. It features eight non-inverting D-type flip-flops with positive-edge triggering in a single package. The device operates within a supply voltage range of 2 V to 6 V. Key electrical parameters include a propagation delay of 13 ns, a maximum clock frequency of 175 MHz, and output drive currents of ±24 mA. It is housed in a 20-pin DIP package and supports a wide operating temperature range from -40°C to +85°C.

Feature Summary

• Octal configuration providing eight independent D-type flip-flops for parallel data storage.

Applications

• Parallel-to-serial data conversion circuits
• Register file implementations in digital systems
• Data buffering and latching applications

Procurement Notes

Verify component authenticity through authorized distribution channels or direct manufacturer verification. Confirm that the specific part number matches the required 20-pin DIP package and 74AC logic family specifications. Ensure compliance with RoHS directives and check for any relevant product change notices (PCN) affecting manufacturing origin or material composition prior to procurement.

Selection Notes

Select this component when high-speed data latching is required with moderate power consumption. The 74AC series offers faster switching speeds than standard 74HC devices while maintaining CMOS compatibility. Consider the 20-pin DIP form factor for prototyping or legacy board designs requiring through-hole mounting capabilities.

Part Context

This component is part of the broader 74AC273 family, which includes variants such as MC74AC273DWG and MC74AC273DTR2G. These variations differ primarily in packaging styles, including SOIC-WB and TSSOP options, and reel quantities. The 74AC273PC specifically denotes the dual in-line package variant within this octal flip-flop lineup.

Replacement Considerations

The 74AC273PC is listed as obsolete in some distributor catalogs. Potential substitutes include the MC74AC273DWG for surface-mount applications or other 74AC273 variants depending on package requirements. Verify pinout compatibility and electrical characteristics before replacing with alternative logic families.