74AC374PC

Overview

The Fairchild Semiconductor 74AC374PC is an octal D-type flip-flop housed in a 20-pin PDIP package. It features positive edge-triggered clocking and three-state outputs for bus-oriented applications. The device operates within a supply voltage range of 2V to 6V, with a maximum operating frequency of 90 MHz. Key electrical parameters include a propagation delay of 8.5 ns at 5V with 50pF load, output current capability of 24mA, and static current of 40µA.

Feature Summary

• Octal D-type flip-flop architecture with separate inputs per stage
• Three-state outputs designed for efficient bus-oriented system integration
• Buffered clock and output enable signals shared across all flip-flops

Applications

• Bus-oriented data storage systems
• High-speed digital logic circuits
• Parallel data transfer interfaces

Procurement Notes

Verify the specific manufacturer origin, as onsemi acquired Fairchild's semiconductor assets. Confirm the part status is active or obsolete depending on current inventory availability. Ensure the 20-PDIP package matches the required through-hole mounting specifications for the target application board design.

Selection Notes

Select this component when an octal storage element with high drive capability is required. The AC series offers superior speed compared to standard HC logic while maintaining CMOS power efficiency. Verify that the 2V to 6V supply range aligns with the system voltage requirements and that the 24mA output current meets the load driving needs.

Part Context

This component belongs to the 74AC family of advanced CMOS logic devices. It serves as a fundamental building block for sequential logic designs requiring parallel data retention. The device provides a reliable solution for managing multiple data lines simultaneously in digital processing environments.

Replacement Considerations

CD74AC374E (Texas Instruments) and SN74AC374N (Texas Instruments) are confirmed public substitutes.