SN74AHC74NSR

Flip Flops Overview

The SN74AHC74NSR is a dual positive-edge-triggered D-type flip-flop from the Texas Instruments SN74AHC series. It features CMOS logic with TTL-compatible inputs and operates within a supply voltage range of 2 V to 5.5 V. The device provides non-inverting outputs with a propagation delay of 15.4 ns. It includes independent clear and preset inputs for each flip-flop. Packaged in a 14-pin SOIC, it supports surface mount installation and functions across an operating temperature range of -40°C to +125°C.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flops with independent clear and preset controls
• TTL-compatible input thresholds enabling direct interfacing with TTL systems
• Wide operating supply voltage range supporting 2 V to 5.5 V applications

Flip Flops Applications

• Parallel data storage and buffering in digital circuits
• Shift register construction for serial-to-parallel conversion
• Timing and synchronization logic in embedded systems

Flip Flops Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type, temperature grade, and tape/reel specifications. Ensure the component meets RoHS requirements if applicable to your manufacturing standards. Cross-reference the datasheet revision date to guarantee access to the most current electrical characteristics and mechanical drawings before finalizing procurement.

Flip Flops Selection Notes

Select this component when dual edge-triggered storage is required with TTL-level input compatibility. The AHC series offers high-speed performance suitable for modern digital designs while maintaining backward compatibility with legacy TTL interfaces. Consider the wide voltage range for flexible power supply architectures and verify thermal management needs for the specified operating temperature extremes.

Flip Flops Part Context

This part belongs to the SN74AHC family of advanced high-speed CMOS logic devices. The family is designed to support 5-V and 3-V VCC operation with high noise immunity. The SN74AHC74 specifically addresses applications requiring dual flip-flops with control inputs, providing a compact solution for state retention and signal timing in integrated circuit designs.

Flip Flops Replacement Considerations

SN74AHC74N (Tube packaging)

Flip Flops FAQ

Does the SN74AHC74NSR include asynchronous control inputs?

Yes, each of the two flip-flops has dedicated Clear and Preset inputs that operate asynchronously.

What is the input threshold compatibility of this device?

The inputs are compatible with TTL logic levels, allowing direct connection to TTL sources without additional level shifting.