XRA1202IL16TR-F

Overview

The XRA1202IL16TR-F is an 8-bit general-purpose input/output (GPIO) expander manufactured by MaxLinear, Inc. It features an I2C and SMBus compatible interface for system connectivity. The device operates within a supply voltage range of 1.65 V to 3.6 V and supports data rates up to 400 kHz. It is housed in a 16-pin QFN package with dimensions of 3 mm x 3 mm and a height of 0.90 mm. The component includes internal 100 kΩ pull-up resistors and provides ESD protection rated at 3 kV. It functions as a serial-to-parallel converter, expanding microcontroller I/O capabilities.

Feature Summary

• Provides 8-bit GPIO expansion via I2C/SMBus interface
• Integrates internal pull-up resistors for simplified circuit design
• Offers robust electrostatic discharge protection
• Supports open-drain output configuration

Applications

• Embedded systems requiring additional digital I/O lines
• Consumer electronics with space-constrained designs
• Industrial control interfaces utilizing SMBus protocols
• IoT devices needing low-power peripheral management

Procurement Notes

Verify the specific suffix and manufacturer designation upon ordering, as the part may be listed under Exar or MaxLinear branding due to corporate acquisition history. Confirm RoHS compliance status through official datasheets or distributor documentation before finalizing procurement. Ensure the selected packaging option matches production requirements. Cross-reference the exact part number against current lifecycle status to avoid obsolete components in new designs.

Selection Notes

Select this component when an I2C or SMBus interface is required for GPIO expansion in compact applications. It is suitable for designs operating between 1.65 V and 3.6 V. Consider the 16-QFN package for space efficiency. Verify that the target system supports the necessary clock speeds and protocol standards. Evaluate the internal pull-up resistor availability against external resistor needs to optimize bill of materials.

Part Context

This component belongs to the XRA1202 series of I/O expanders from MaxLinear, formerly Exar. It serves as a bridge between high-speed serial buses and parallel GPIO ports. The series is designed for applications requiring minimal pin count expansion. It complements other interface solutions like UART and USB bridges offered by the manufacturer for comprehensive connectivity needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.