CD74HC173NSR

Overview

The CD74HC173NSR is a Texas Instruments logic component featuring four D-type flip-flops with three-state outputs. It operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in an SOP-16 package. The device exhibits a propagation delay of 200 ns, with high-level output current capability of -7.8 mA and low-level output current of 7.8 mA. It functions reliably across an extended temperature range from -55 °C to +125 °C.

Feature Summary

• Integrates four independent D-type flip-flops for parallel data storage applications
• Provides three-state outputs to facilitate efficient bus-driven system architectures
• Supports wide operating voltage ranges suitable for diverse digital logic environments

Applications

• Parallel data storage circuits
• Bus-oriented memory systems
• Digital signal processing interfaces

Procurement Notes

Verify the specific suffix 'NSR' against official manufacturer documentation to confirm the exact package type and tape-and-reel specifications. Ensure that the requested quantity aligns with standard manufacturing packaging configurations. Cross-reference the datasheet revision history to validate electrical characteristics and pinout assignments prior to integration into final designs.

Selection Notes

Select this component when four synchronized D-type registers with tri-state control are required. The HC series offers CMOS compatibility with TTL input levels. Consider the extended industrial temperature range and robust noise immunity inherent to the technology. Verify that the SOP-16 footprint matches the target PCB layout constraints and thermal management requirements.

Part Context

This part belongs to the CD74HC173 family of high-speed CMOS logic devices. It serves as a quad D-type flip-flop with three-state outputs, designed for parallel loading operations. The device is manufactured using silicon gate CMOS technology, ensuring low power consumption and high noise immunity compared to earlier logic families.

Replacement Considerations

Compatible substitutes include SN74HC173 variants and other manufacturers' 74HC173 equivalents. Verify pin compatibility and electrical parameters before substitution.