LM8333GGR8AXSX/NOPB

Controllers Overview

The LM8333GGR8AXSX/NOPB is an I/O expander from Texas Instruments designed as a mobile I/O companion supporting key-scan functions. It operates within a supply voltage range of 2.25 V to 2.9 V and features a maximum clock frequency of 400 kHz. The device includes one PWM output and a reset pin, housed in a WQFN-32 package suitable for SMD/SMT installation. It supports an operating temperature range from -40°C to +85°C and exhibits humidity sensitivity.

Controllers Feature Summary

• Mobile I/O companion functionality with integrated key-scan support
• Includes one PWM output channel and a dedicated reset pin

Controllers Applications

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

Controllers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the required supply voltage range of 2.25 V to 2.9 V. Confirm that the WQFN-32 package aligns with PCB layout constraints. Check for humidity sensitivity handling requirements during storage and assembly processes.

Controllers Selection Notes

Select this component when a low-voltage I/O expander with key-scan capabilities is required for mobile applications. Ensure the design accommodates the 2.25 V to 2.9 V operating range. Verify that the WQFN-32 package fits the available board space. Consider the 400 kHz maximum clock frequency for bus timing requirements.

Controllers Part Context

This part belongs to the LM8333 series of I/O expanders from Texas Instruments. It is categorized under Interface ICs and specifically serves as a mobile I/O companion. The series focuses on providing expanded input/output capabilities with key-scan support for portable electronic devices.

Controllers Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify electrical parameters such as voltage range and package dimensions before replacing.