CD54ACT74F3A

Overview

The CD54ACT74F3A is a dual D-type flip-flop from the ACT series, manufactured by Harris Corporation. It features positive edge triggering and complementary outputs for each of its two independent functions. The device utilizes CMOS technology housed in a ceramic glass-sealed CDIP14 package. It supports a supply voltage range of 2V to 6V and operates within a temperature range of -55°C to 125°C. Key electrical parameters include a maximum operating frequency of 20MHz at nominal supply, a load capacitance of 50pF, and an output current capability of 24mA.

Feature Summary

• Dual independent D-type flip-flops with positive edge triggering
• Complementary outputs for each function
• Ceramic glass-sealed package for environmental stability
• ACT series high-speed CMOS performance

Applications

• High-speed digital data storage systems
• Shift register implementations
• Parallel-to-serial conversion circuits
• State machine logic elements

Procurement Notes

Verify component authenticity through authorized distributors or certified suppliers. Confirm that the part matches the specific Harris Corporation manufacturing origin. Check for compliance with relevant export control classifications such as EAR99. Ensure the ceramic DIP14 package condition meets operational requirements for harsh environments. Validate datasheet specifications against current inventory documentation.

Selection Notes

Select this component when high-speed switching and robust environmental tolerance are required. The ACT series offers superior speed compared to standard HC/UH variants. The ceramic package provides better reliability than plastic alternatives for extreme temperatures. Ensure the design accommodates the 2V to 6V supply range and 24mA drive capability. Consider the dual-function architecture to minimize board space for sequential logic applications.

Part Context

This component belongs to the Harris Corporation CD54/CD74ACTxxxF3A family of high-speed logic devices. The ACT series is designed for applications requiring faster propagation delays than standard CMOS technologies. The '54' prefix indicates military-grade temperature range and ceramic packaging. The 'F3A' suffix typically denotes a specific tape-and-reel or bulk packaging configuration within the ceramic DIP format.

Replacement Considerations

Direct substitutes may include other Harris ACT series dual D-flip-flops in compatible packages. Cross-reference with equivalent parts from manufacturers offering ACT-compatible logic families. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure the replacement maintains the ceramic package requirement if environmental sealing is critical.