SN74ACT74NE4

Flip Flops Overview

The SN74ACT74NE4 is a dual positive-edge-triggered D-type flip-flop from Texas Instruments, featuring independent clear and preset inputs. It operates within a supply voltage range of 4.5 V to 5.5 V and supports propagation delays as low as 9.5 ns. The device provides 24 mA output drive capability in both high and low states. Packaged in a 14-pin PDIP for through-hole mounting, it functions reliably across an industrial temperature range of -40°C to +85°C.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flops with independent clear and preset controls
• High-speed operation with propagation delay of 9.5 ns
• Strong output drive capability of 24 mA for both logic states
• Wide operating voltage range from 4.5 V to 5.5 V

Flip Flops Applications

• Parallel data storage and buffering in digital systems
• Shift register construction for serial-to-parallel conversion
• Timing and synchronization circuits in microprocessor interfaces
• State machine implementation in control logic

Flip Flops Procurement Notes

Verify the complete part number including the NE4 suffix to ensure compatibility with specific manufacturing requirements. Confirm that the procurement source provides official Texas Instruments documentation or authorized distribution channels. Check for RoHS compliance status if environmental regulations apply to your assembly process. Ensure the supplier guarantees authenticity to avoid counterfeit components affecting circuit reliability.

Flip Flops Selection Notes

Select this component when a dual D-type flip-flop with fast switching speeds is required. The ACT series offers improved performance over standard TTL while maintaining pin compatibility. Consider the 14-pin DIP package for prototyping or applications requiring through-hole technology. Evaluate the 24 mA drive strength against load requirements to ensure signal integrity without additional buffering.

Flip Flops Part Context

This device belongs to the SN74ACTxx logic family, designed for advanced CMOS technology. It bridges the performance gap between older TTL standards and modern high-speed CMOS solutions. The SN74ACT74 specifically targets applications needing reliable edge-triggered storage with minimal propagation delay. Its robust design supports integration into complex digital logic systems requiring precise timing control.

Flip Flops Replacement Considerations

• SN74ACT74N

Flip Flops FAQ

What is the function of the clear and preset inputs?

The clear input asynchronously resets the Q output to a low state, while the preset input asynchronously sets the Q output to a high state, regardless of the clock or D input conditions.

How does the SN74ACT74NE4 handle input signals?

It accepts standard CMOS or TTL logic levels at its D, clock, clear, and preset inputs, ensuring compatibility with various driving sources within the specified voltage range.