SN74HC165DBR

Shift Registers Overview

The SN74HC165DBR is an 8-bit parallel-load shift register manufactured by Texas Instruments. It belongs to the HC logic family and utilizes CMOS technology. The device converts eight parallel data inputs into a serial output stream, facilitating efficient data transmission in digital systems. It operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a SOIC-16 package. The component functions as a single circuit with one serial output line.

Shift Registers Feature Summary

• Parallel-to-serial data conversion capability for expanding input interfaces
• CMOS construction ensuring low power consumption and high noise immunity
• Wide operating voltage range supporting diverse system power requirements

Shift Registers Applications

• Microcontroller input expansion for reading multiple switch states
• Digital keyboard matrix scanning applications
• Data acquisition systems requiring parallel input processing

Shift Registers Procurement Notes

Verify the specific suffix 'DBR' against the manufacturer's current datasheet to confirm the exact package variant and tape-and-reel specifications. Ensure compatibility with the target PCB footprint and soldering profile. Confirm RoHS compliance status through official documentation before procurement.

Shift Registers Selection Notes

Select this component when an 8-bit parallel load shift register is required for serializing input data. The HC series offers standard speed performance suitable for general-purpose logic applications. Verify that the SOIC-16 package dimensions match the design constraints and that the operating temperature range meets the environmental requirements.

Shift Registers Part Context

This part is a member of the SN74HC165 family of 8-bit parallel-load shift registers. It serves as a digital logic interface component designed to bridge parallel data sources with serial processing units. The device is widely used in embedded systems to reduce pin count requirements on microcontrollers while maintaining reliable data integrity.

Shift Registers Replacement Considerations

Compatible substitutes include SN74HC165DR and SN74HC165DRE4 from Texas Instruments. Other manufacturers offer equivalent parts such as TC74HC165AF. Verify pinout compatibility and electrical characteristics before substitution.