74HCT377DB,112

Overview

The NXP 74HCT377DB,112 is an octal D-type flip-flop with data enable and positive-edge triggering. It features a single circuit in a 20-pin SSOP package (SOT339-1). The device operates within a temperature range of -40 °C to +125 °C. It has a maximum operating frequency of 18 MHz at nominal supply voltage. The load capacitance is specified as 50 pF. The component complies with RoHS standards.

Feature Summary

• Octal D-type flip-flop architecture with data enable functionality
• Positive-edge trigger mechanism for synchronous data capture
• Hold mode capability for state retention

Applications

• Data bus interface applications requiring parallel storage
• Digital logic systems utilizing TTL-compatible input levels
• Memory buffer circuits in industrial control environments

Procurement Notes

Verify the specific ordering suffix matches the required package variant and temperature grade. Confirm that the component meets current RoHS compliance requirements for the intended market. Ensure the SSOP20 package dimensions align with the target PCB footprint specifications before finalizing procurement orders.

Selection Notes

Select this component when an octal register with data enable is required. The HCT series ensures compatibility with standard TTL logic levels. Consider the wide operating temperature range for harsh environment applications. Verify pinout compatibility if replacing existing designs using similar octal flip-flop architectures.

Part Context

This part belongs to the 74HC(T)377 family of octal D-type flip-flops. It shares functional similarities with other members like the 74AHC377D112 but differs in speed and voltage characteristics. The DB suffix indicates the SSOP package type. It serves as a digital storage element within broader logic families produced by NXP.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.