XRA1403IG24TR-F

Overview

The XRA1403IG24TR-F is a 16-bit General Purpose Input/Output (GPIO) expander manufactured by MaxLinear. It features an SPI serial interface for communication with host processors. The device operates within a supply voltage range of 1.65 V to 3.6 V and supports a maximum SPI clock frequency of 26 MHz. It provides 16 individually configurable I/O pins with internal pull-up resistors that can be enabled or disabled. The component includes interrupt functionality with programmable edge detection and polarity inversion options. It is housed in a 24-pin QFN package and is rated for an operating temperature range from -40°C to +85°C.

Feature Summary

• Provides 16 general-purpose I/O pins with individual control and configuration capabilities
• Supports SPI bus interface with clock frequencies up to 26 MHz
• Includes programmable interrupt generation with rising, falling, or both edge detection
• Features internal pull-up resistors on all I/O pins with enable/disable control

Applications

• Systems requiring expansion of GPIO ports via SPI interface
• Embedded devices needing low-power I/O management
• Industrial control applications requiring isolated input monitoring

Procurement Notes

Verify the exact suffix against official MaxLinear documentation, as variations may indicate different packaging or temperature grades. Confirm current availability status through authorized distributors, as this component may be subject to discontinuation notices. Ensure compatibility with existing SPI controller configurations before procurement.

Selection Notes

Select this component when a 16-bit GPIO expansion solution is required with SPI connectivity. Verify that the system voltage falls within the 1.65 V to 3.6 V operating range. Consider the interrupt capabilities if real-time input monitoring is necessary. Ensure the PCB layout accommodates the 24-pin QFN package dimensions.

Part Context

This part belongs to the XRA1403 series of SPI GPIO expanders from MaxLinear. It is designed to provide flexible I/O expansion for microcontrollers and processors lacking sufficient native pins. The series typically includes variants with different package options and pin counts to suit various design constraints.

Replacement Considerations

Check for direct cross-references in MaxLinear's product change notices. Alternative GPIO expanders with SPI interfaces and similar pin counts may require firmware adjustments due to register map differences.