SN74HC165D

Shift Registers Overview

The SN74HC165D is an 8-bit parallel-load shift register from the Texas Instruments SN74HC series. It converts eight parallel data inputs into a single serial output stream. The device operates on a supply voltage range of 2 V to 6 V and functions within a temperature range of -40°C to +125°C. It utilizes CMOS logic technology and features a propagation delay of 30 ns at 6 V. The component is housed in a 16-pin SOIC package.

Shift Registers Feature Summary

• Supports asynchronous parallel loading of eight bits via dedicated input pins
• Provides complementary serial outputs for flexible interface integration
• Operates with high noise immunity across a wide voltage spectrum

Shift Registers Applications

• Microcontroller input expansion for digital switches
• Keyboard matrix scanning systems
• Industrial control panel status monitoring

Shift Registers Procurement Notes

Verify the specific suffix against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering part number matches the required package style and environmental specifications for your design.

Shift Registers Selection Notes

Select this component when expanding digital input capacity using minimal microcontroller pins. It is suitable for applications requiring reliable parallel-to-serial conversion with low power consumption and broad operating voltage flexibility.

Shift Registers Part Context

This device belongs to the standard 74HC logic family, known for high-speed CMOS operation. It serves as a fundamental building block for interfacing discrete digital signals with serial communication protocols in embedded systems.

Shift Registers Replacement Considerations

Compatible substitutes include SN74HC165DR and SN74HC165DBR. Verify that alternative manufacturers offer identical pin configurations and electrical characteristics before implementation.