LM8333GGR8AXS/NOPB

Controllers Overview

The LM8333GGR8AXS/NOPB is an I/O expander designed as a mobile I/O companion, specifically supporting key-scan functions. Manufactured by Texas Instruments, this component operates within the interface category for I/O expansion. The device utilizes a GGR8 package configuration and includes the NOPB suffix indicating lead-free construction compliant with RoHS standards. It serves as a peripheral interface solution for managing input and output signals in mobile electronic applications.

Controllers Feature Summary

• Supports key-scan functionality for mobile devices
• Functions as a mobile I/O companion

Controllers Applications

• Mobile device I/O expansion
• Key-scan interface circuits

Controllers Procurement Notes

Verify the manufacturer designation carefully, as the part is listed under National Semiconductor in some catalogs but manufactured by Texas Instruments following their merger. Confirm the exact ordering suffix matches the required package and environmental compliance specifications. Ensure the source document explicitly identifies the component as an I/O expander with key-scan support to avoid confusion with other interface ICs.

Controllers Selection Notes

Select this component when a dedicated I/O expander with integrated key-scan capabilities is required for mobile applications. The GGR8 package size should be evaluated against available PCB space constraints. Verify that the specific electrical characteristics of the I/O ports meet the system requirements for the intended key matrix or general-purpose input/output tasks.

Controllers Part Context

This component belongs to the family of interface I/O expanders. While National Semiconductor was historically a distinct entity, these parts are now produced and documented under Texas Instruments. The LM8333 series addresses the need for expanded connectivity in compact mobile form factors where direct MCU pins are insufficient.

Controllers Replacement Considerations

Consult official Texas Instruments documentation for verified substitute part numbers. Cross-reference with other TI mobile I/O companions if pin compatibility and feature sets align.