CD74HCT73EG4

Overview

The CD74HCT73EG4 is a dual JK-type flip-flop integrated circuit manufactured by Texas Instruments. It belongs to the 74HCT logic series, designed for CMOS technology with TTL-compatible inputs. The device operates within a supply voltage range of 4.5V to 5.5V and features negative-edge triggering. It is housed in a 14-pin Small Outline Integrated Circuit (SOIC) package with a width of 3.90mm. The component supports an operating temperature range from -55°C to +125°C and includes asynchronous reset functionality.

Feature Summary

• Dual JK-type flip-flop configuration with negative-edge clock triggering
• TTL-compatible input levels utilizing HCT logic family technology
• Asynchronous reset capability for immediate state control

Applications

• Digital data storage and register circuits
• Sequential logic control systems
• Frequency division and counting applications

Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance status as per manufacturer documentation. Confirm the package variant matches the required 14-SOIC footprint dimensions. Ensure the logic level requirements align with the HCT series specifications for proper interface compatibility in the target design.

Selection Notes

Select this component when a dual JK flip-flop with negative-edge triggering is required. The HCT series ensures compatibility with standard TTL logic families while maintaining CMOS power efficiency. Consider the wide operating temperature range for industrial or automotive environments requiring robust performance under varying thermal conditions.

Part Context

This part is a member of the Texas Instruments 74HCT logic family, which bridges CMOS and TTL technologies. It serves as a fundamental building block for sequential digital circuits. The EG4 designation typically denotes environmental compliance and specific manufacturing revisions within the broader 74HCT73 product line.

Replacement Considerations

CD74HCT73MG4 is a documented equivalent part number.