MC74HC74ADG

Flip Flops Overview

The MC74HC74ADG is a dual D-type flip-flop manufactured by onsemi, belonging to the 74HC logic series. It features two independent positive-edge-triggered D flip-flops with asynchronous Set and Reset inputs in a 14-SOIC package. The device operates within a supply voltage range of 2.0 V to 6.0 V. Key electrical parameters include a maximum propagation delay of 20 ns at 6 V with 50 pF load, static current of 1 µA, and output drive capability of ±5.2 mA. It supports a clock frequency up to 94 MHz and functions reliably across an operating temperature range of -55°C to 125°C.

Flip Flops Feature Summary

• Dual D-type flip-flops with individual Set, Reset, and Clock inputs
• Positive-edge triggering for data transfer from D-input to Q-output
• Asynchronous Set and Reset functionality
• Compatible with standard CMOS outputs and LSTTL outputs with pullup resistors

Flip Flops Applications

• Data storage and register applications
• Shift registers
• Timing circuits
• Digital signal processing systems

Flip Flops Procurement Notes

Verify the specific ordering suffix 'DG' corresponds to the 14-SOIC package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation or material declarations prior to integration. Ensure the procurement channel provides valid traceability for the onsemi brand component to avoid counterfeit risks.

Flip Flops Selection Notes

Select this component for designs requiring dual D-type flip-flops with high-speed performance and wide voltage operation. The HC series offers compatibility with both CMOS and TTL logic families. Consider the SOIC-14 package for surface-mount assembly constraints. Verify that the required propagation delay and output drive current meet the system specifications before finalizing the selection.

Flip Flops Part Context

This part belongs to the MC74HC74A family of dual D-type flip-flops. It shares pinout compatibility with the LS74 but utilizes high-performance silicon-gate CMOS technology. The device is designed for applications requiring low input current and high noise immunity, adhering to JEDEC standards. It serves as a fundamental building block for sequential logic circuits in digital electronics.

Flip Flops Replacement Considerations

MC74HC74ADTR2G (TSSOP-14 package)

Flip Flops FAQ

Are the Set and Reset inputs synchronous or asynchronous?

The Set and Reset inputs are asynchronous, meaning they can override the clock and data inputs immediately.

What is the maximum operating voltage for the MC74HC74ADG?

The maximum operating voltage is 6.0 V, with a minimum of 2.0 V.