SN74HC165NG4

Shift Registers Overview

The SN74HC165NG4 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. It operates within a supply voltage range of 2 V to 6 V and supports a positive-edge clock trigger. The component is housed in a 16-pin PDIP package and functions as a single circuit with one serial output line.

Shift Registers Feature Summary

• Provides parallel-to-serial data conversion for expanding digital input capabilities
• Features asynchronous parallel loading to capture external data states instantly
• Delivers complementary serial outputs for flexible interface integration

Shift Registers Applications

• Microcontroller input expansion systems
• Keyboard matrix scanning circuits
• Switch state monitoring interfaces

Shift Registers Procurement Notes

Verify the specific package designation against the datasheet, as the 'N' suffix typically indicates a plastic dual-in-line package. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor specifications before finalizing procurement decisions.

Shift Registers Selection Notes

Select this component when an 8-bit parallel input expansion is required using standard CMOS logic levels. Ensure the operating voltage aligns with the 2 V to 6 V specification. Consider the PDIP package constraints if surface-mount space is limited.

Shift Registers Part Context

This part is a member of the SN74HC165 series from Texas Instruments. It serves as a standard solution for converting parallel signals to serial data in digital logic applications. The HC series ensures compatibility with standard CMOS logic families while providing robust performance characteristics.

Shift Registers FAQ

What type of clock edge triggers the shift operation?

The SN74HC165NG4 uses a positive-edge triggered clock mechanism to advance the stored data through the shift register stages.

Does the device provide complementary outputs?

Yes, the component provides both Q7 and !Q7 serial outputs, allowing for flexible connection options in serial communication circuits.