MC74VHC74D

Flip Flops Overview

The MC74VHC74D is a dual D-type flip-flop manufactured by onsemi, belonging to the VHC logic family. It features positive-edge triggering with independent Set and Reset inputs that are asynchronous to the clock. The device operates within a supply voltage range of 2.0 V to 5.5 V. Key electrical parameters include a maximum propagation delay of 9.3 ns at 5 V with 50 pF load, output drive capability of 8 mA for both high and low states, and a static current of 2 µA. It is housed in a 14-TSSOP package.

Flip Flops Feature Summary

• Dual D-type flip-flops with positive-edge clock triggering
• Asynchronous Set and Reset control inputs
• High-speed operation with low propagation delay
• Wide operating voltage range supporting 2V to 5.5V systems

Flip Flops Applications

• Parallel data storage and latching circuits
• Shift register implementations
• Timing and synchronization logic in digital systems
• State machine design and control logic

Flip Flops Procurement Notes

Verify the exact suffix against the datasheet to confirm package type and tape/reel specifications. Ensure the ordering part number matches the required moisture sensitivity level and RoHS compliance status. Cross-reference the manufacturer's latest documentation for any pinout or electrical characteristic updates before finalizing procurement.

Flip Flops Selection Notes

Select this component when high-speed performance is required alongside low power consumption. The VHC series offers superior speed compared to standard HC logic while maintaining CMOS compatibility. Consider the 14-TSSOP package for surface-mount applications requiring compact board space and reliable thermal performance.

Flip Flops Part Context

This device is part of onsemi's 74VHC series, designed for high-performance CMOS applications. It provides significant speed improvements over legacy 74HC devices while remaining pin-compatible with standard logic families. The VHC technology enables faster switching speeds suitable for modern high-frequency digital designs.

Flip Flops Replacement Considerations

MC74VHC74DTR2G (Tape & Reel variant)

Flip Flops FAQ

Are the Set and Reset inputs synchronous with the clock?

No, the Set and Reset inputs are asynchronous and operate independently of the clock signal.

What is the output drive capability of the MC74VHC74D?

The device provides an output drive capability of 8 mA for both high and low states.