74HCT74DB,112

Overview

The Nexperia 74HCT74DB,112 is a dual positive-edge triggered D-type flip-flop featuring individual data inputs, clock inputs, and asynchronous active-low set and reset controls. It provides complementary Q and nQ outputs for each circuit. The device operates within a supply voltage range of 4.5 V to 5.5 V and utilizes HCT logic levels compatible with TTL standards. Packaged in an SSOP-16 surface-mount format, it supports operation across an extended industrial temperature range from -40 °C to +125 °C.

Feature Summary

• Dual positive-edge triggered D-type flip-flops with independent control
• Asynchronous active-low set and reset inputs operating independently of the clock
• Complementary Q and nQ outputs for flexible signal routing
• TTL-compatible input levels ensuring direct interface with standard logic

Applications

• Parallel-to-serial data conversion circuits
• Shift register construction
• Frequency division and counting applications
• Digital state storage and synchronization

Procurement Notes

Verify component authenticity through authorized Nexperia distributors or certified partners. Confirm RoHS compliance status and check for specific manufacturing date codes relevant to your assembly timeline. Ensure proper handling procedures are followed during storage and installation to maintain device integrity.

Selection Notes

Select this component when dual D-type flip-flop functionality with positive-edge triggering is required in designs utilizing 5 V logic systems. The HCT series ensures compatibility with TTL-driven interfaces. Consider the SSOP-16 package constraints regarding PCB space and thermal management capabilities for high-density layouts.

Part Context

This part belongs to the 74HCT logic family, designed for high-speed CMOS operations with TTL-compatible inputs. It serves as a fundamental building block in sequential logic design, offering reliable data storage and transfer capabilities within digital systems requiring robust noise immunity and wide operating voltage specifications.

Replacement Considerations

Compatible substitutes include the 74HC74 variants for broader voltage ranges or other manufacturers' equivalents such as SN74HCT74N. Verify pinout compatibility and electrical characteristics before substitution.