SN74LS174DR

Flip Flops Overview

The SN74LS174DR is a hex D-type positive-edge-triggered flip-flop with an active-low clear input, manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports data rates up to 50 MHz. The device features six independent D-type flip-flops in a single 16-pin SOIC package. It includes an active-low clear function that resets all outputs to a low state. The component is designed for commercial temperature ranges from 0°C to 70°C.

Flip Flops Feature Summary

• Contains six independent D-type flip-flops with positive-edge triggering
• Includes an active-low clear input for synchronous reset functionality
• Provides non-inverting outputs for direct logic interfacing

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register configurations
• General-purpose storage elements in digital systems

Flip Flops Procurement Notes

Verify the specific suffix 'G4' or standard designation against the manufacturer's current datasheet to ensure compliance with RoHS directives and lead-free manufacturing standards. Confirm the operating temperature grade matches the application requirements, as variants exist for extended industrial ranges. Cross-reference the package marking code with official documentation to distinguish between original Texas Instruments production and potential aftermarket sources.

Flip Flops Selection Notes

Select this component when a high-density solution for multiple flip-flops is required in a compact surface-mount package. It is suitable for designs needing a shared clear signal across multiple data bits. Consider the LS logic family characteristics regarding speed and power consumption relative to HC or AHC alternatives. Ensure the system clock frequency remains within the specified maximum limits for reliable operation.

Flip Flops Part Context

This part belongs to the SN74LS series of logic integrated circuits, which are widely used in digital electronics for basic memory and timing functions. The SN74LS174 specifically provides a cost-effective solution for implementing multi-bit registers. It is commonly found in older digital designs and educational kits where TTL compatibility is necessary.

Flip Flops Replacement Considerations

The SN74LS174N serves as a pin-compatible through-hole alternative. For modern replacements, consider the SN74AHC174 or SN74HC174 for improved speed and lower power consumption while maintaining functional equivalence.