74AC374PC

Overview

The onsemi 74AC374PC is an octal D-type flip-flop with three-state outputs belonging to the 74AC logic series. It features a positive-edge triggered clock mechanism and non-inverting data paths. The device operates within a supply voltage range of 2V to 6V, supporting a maximum clock frequency of 155 MHz. Key electrical parameters include a propagation delay of 9.5ns at 5V with 50pF load, output drive currents of ±24mA, and static current of 8µA. It is housed in a 20-pin DIP package.

Feature Summary

• Octal D-type configuration with eight independent storage elements
• Three-state outputs for bus-oriented system design
• Positive-edge triggered clocking for precise timing control
• High-speed operation compatible with standard CMOS logic levels

Applications

• Parallel-to-serial data conversion circuits
• Buffer and register applications in digital systems
• Clock domain crossing synchronization stages
• General-purpose data storage in microprocessor interfaces

Procurement Notes

Verify component authenticity through authorized distributors as this part number is obsolete. Confirm package integrity and pin alignment against the 20-PDIP specification. Review manufacturer documentation for end-of-life notices and recommended replacement strategies to ensure long-term supply chain stability.

Selection Notes

Select this component when an octal D-type flip-flop with three-state outputs is required in a through-hole DIP package. Ensure the application supports the 2V to 6V operating range and requires positive-edge triggering. Verify that the 155 MHz clock frequency meets system timing requirements and that the ±24mA output drive capability is sufficient for the connected loads.

Part Context

This component belongs to the 74AC family of high-speed CMOS logic devices. It provides octal storage functionality with three-state outputs. The device is designed for general-purpose digital applications requiring parallel data latching. It utilizes a standard 20-pin dual in-line package suitable for through-hole mounting.

Replacement Considerations

Public confirmed substitute part numbers: MC74AC374DWR2G (onsemi), SN74AC374NSR (Texas Instruments), CD74AC374M (Texas Instruments).

FAQ

What is the trigger type of the 74AC374PC?

The device uses a positive-edge triggered clock mechanism.

Does the 74AC374PC have inverted or non-inverted outputs?

The outputs are non-inverting.