74AC374SCX

Overview

The onsemi 74AC374SCX is an octal D-type flip-flop featuring three-state outputs, designed for bus-oriented applications. It operates within a supply voltage range of 2V to 6V and utilizes a 20-SOIC surface-mount package. The device incorporates buffered positive edge-triggered clock inputs and common output enable controls for all eight flip-flops. Key electrical specifications include a maximum propagation delay of 13.5ns at 5V with 50pF load, output current capabilities of ±24mA, and a static current consumption of 20µA. The component supports an extended operating temperature range from -40°C to +85°C.

Feature Summary

• Octal D-type flip-flop architecture with separate data inputs for each stage
• Three-state outputs enabling efficient bus-oriented system designs
• Buffered clock input and common output enable control mechanism
• TTL-compatible input logic levels for broad interface compatibility

Applications

• Bus-oriented memory register implementations
• High-speed data storage circuits
• Parallel-to-serial conversion modules
• General-purpose digital logic buffering

Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability variations. Confirm RoHS compliance status prior to integration. Validate package marking consistency against official datasheet specifications. Ensure proper handling procedures are followed during assembly to maintain device integrity.

Selection Notes

Evaluate the 2V to 6V operating voltage range against target system requirements. Consider the 13.5ns propagation delay for timing-critical applications. Assess the ±24mA output drive capability for load matching. Verify the 20-SOIC package dimensions fit the intended PCB layout constraints.

Part Context

This component belongs to the 74AC series of high-speed CMOS logic devices. It serves as a fundamental building block for sequential logic operations in digital systems. The part provides reliable data latching functionality with enhanced switching speeds compared to standard logic families.

Replacement Considerations

Direct substitutes include MC74AC374DWR2G from onsemi and CD74ACT374M96 from Texas Instruments. These alternatives offer compatible pinouts and functional characteristics for direct replacement scenarios.