CD74ACT74E

Overview

The CD74ACT74E is a dual D-type flip-flop from the ACT logic series, manufactured by Harris Corporation. It features two independent positive-edge-triggered circuits with differential outputs. The device operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 85MHz. Key electrical parameters include a propagation delay of 9.5ns at 5V with a 50pF load, output currents of ±24mA, and static current of 4µA. It is housed in a 14-PDIP package and functions across an industrial temperature range of -55°C to 125°C.

Feature Summary

• Dual D-type flip-flop configuration with positive edge triggering
• Differential output structure for signal integrity
• High-speed operation supporting up to 85MHz clock frequencies
• Robust drive capability with ±24mA output currents

Applications

• Parallel-to-serial data conversion circuits
• Shift register construction
• Register file storage elements
• Timing control and synchronization logic

Procurement Notes

Verify component authenticity through authorized distributors or certified secondary market suppliers. Confirm that the part matches the original Harris Corporation manufacturing specifications. Check for compliance with relevant environmental standards if required for specific assembly processes. Ensure the package type and pinout align with design requirements before integration.

Selection Notes

Select this component when a dual D-type flip-flop with differential outputs is required for high-speed digital applications. Consider the ACT series characteristics for faster switching speeds compared to standard TTL families. Evaluate the 14-PDIP package suitability for through-hole mounting constraints. Verify power supply stability within the 4.5V to 5.5V range to ensure optimal performance.

Part Context

The CD74ACT74E belongs to the CD74ACT family of advanced CMOS logic devices. This series is designed for high-speed applications requiring low power consumption and wide operating voltage ranges. The ACT family provides performance improvements over earlier logic families while maintaining compatibility with standard interface levels.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.