SN74HC165NSR

Shift Registers Overview

The SN74HC165NSR is an 8-bit parallel-load shift register from the Texas Instruments SN74HC165 series. It operates on a single CMOS circuit with serial/parallel to serial counting order. The device accepts inputs via nine lines and provides one output line. It functions within a power supply voltage range of 2 V to 6 V. The component supports surface mount installation in an SOIC-16 package. Operating temperatures span from -40 C to +125 C, with propagation delays specified at 150 ns, 30 ns, and 26 ns.

Shift Registers Feature Summary

• Supports 8-bit parallel data loading for simultaneous input capture
• Converts parallel inputs into serial output streams
• Compatible with standard CMOS logic families

Shift Registers Applications

• Microcontroller input expansion systems
• Keyboard matrix scanning circuits
• Industrial control signal acquisition

Shift Registers Procurement Notes

Verify the specific suffix NSR against official Texas Instruments documentation to confirm the tape and reel packaging configuration. Ensure the part number matches the exact SOIC-16 variant required for your PCB footprint. Cross-reference the manufacturer's latest datasheet revision to confirm RoHS compliance status and any recent design changes affecting pinout or electrical characteristics before finalizing procurement orders.

Shift Registers Selection Notes

Select this component when expanding digital input capacity for microcontrollers using limited GPIO pins. The HC logic family ensures compatibility with standard 5V and 3.3V systems within the specified voltage range. Consider the operating temperature range if the application involves harsh industrial environments requiring extended thermal stability beyond standard commercial grades.

Shift Registers Part Context

This component belongs to the SN74HC165 family of 8-bit parallel-load shift registers manufactured by Texas Instruments. The series is designed for high-speed digital applications requiring efficient data conversion between parallel and serial formats. The HC designation indicates High-speed CMOS technology, offering improved performance over older logic families while maintaining low power consumption characteristics suitable for modern embedded systems.

Shift Registers Replacement Considerations

SN74HC165DR

Shift Registers FAQ

What is the maximum operating voltage for the SN74HC165NSR?

The maximum operating voltage is 6 V.

Does the SN74HC165NSR provide complementary outputs?

Yes, it provides serial output through QH and !QH lines.