CD74ACT374M

Overview

The CD74ACT374M is an octal D-type flip-flop manufactured by Harris Corporation, designed for high-speed digital applications. It features positive-edge triggering and three-state outputs to facilitate bus-oriented memory operations. The device operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard CMOS logic levels. Key electrical specifications include output currents of 24mA for both high and low states, a quiescent current of 8µA, and an input capacitance of 10pF. It is housed in a 20-pin SOIC package and supports an operating temperature range from -55°C to 125°C.

Feature Summary

• Octal D-type flip-flop architecture with single-element configuration
• Positive-edge triggering mechanism for precise data capture
• Three-state outputs enabling efficient bus interface management

Applications

• Bus-oriented memory register implementations
• High-speed digital signal processing interfaces
• Data storage and transfer systems requiring tri-state control

Procurement Notes

Verify the manufacturer designation as Harris Corporation, noting that legacy assets may have transitioned to other entities such as Renesas or Texas Instruments. Confirm the RoHS status, as older Harris production runs may not comply with current environmental regulations. Ensure the ordering suffix matches the required tape-and-reel or tube packaging format specified in the official datasheet to guarantee correct handling and storage conditions.

Selection Notes

Select this component when an octal D-type flip-flop with three-state outputs is required for bus-driven applications. The ACT series offers higher speed performance compared to HC variants, making it suitable for demanding timing constraints. Verify that the 20-pin SOIC package fits the PCB layout and that the 4.5V to 5.5V supply range aligns with the system power architecture.

Part Context

The CD74ACT374M belongs to the Harris Corporation 74ACT family of high-speed CMOS logic devices. This family is characterized by TTL-compatible inputs and fast switching speeds, bridging the gap between standard logic and advanced AC series components. The part serves as a fundamental building block for sequential logic circuits in industrial and commercial electronic systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult the official datasheet or manufacturer announcements for cross-reference information regarding potential replacements or obsolescence notices.