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Product Detailed Parameters
- Description：IC XPNDR 400KHZ I2C SMBUS 24QFN
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Tape & Reel (TR)
- Number of I/O：16
- Interface：I2C, SMBus
- Interrupt Output：Yes
- Features：-
- Output Type：Open Drain
- Current - Output Source/Sink：-
- Clock Frequency：400 kHz
- Voltage - Supply：1.65V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：24-VFQFN Exposed Pad
- Supplier Device Package：24-QFN (4x4)
- Grade：-
- Qualification：-
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Overview
The XRA1203IL24TR-F is a 16-bit I/O expander manufactured by MaxLinear, designed for serial communication via I2C and SMBus interfaces. It operates within a supply voltage range of 1.65 V to 3.6 V and supports clock frequencies up to 100 kHz. The device features an interrupt output capability and is housed in a QFN-EP-24 package suitable for surface mount technology. It functions reliably across an industrial temperature range from -40°C to +85°C. Total output current capacity is rated at 160 mA with a power dissipation limit of 200 mW.
Feature Summary
- Provides sixteen general-purpose input/output pins expandable through serial protocols
- Supports standard I2C and SMBus communication modes for system integration
- Includes dedicated interrupt output functionality for efficient event handling
Applications
- Embedded systems requiring additional GPIO ports via serial buses
- Industrial control panels needing reliable I/O expansion in harsh environments
- Consumer electronics utilizing low-voltage logic interfaces
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm RoHS compliance documentation matches specific batch requirements. Check for moisture sensitivity level indicators on packaging prior to soldering. Ensure replacement sources provide valid traceability records for quality assurance purposes.
Selection Notes
Select this component when existing designs require 16-bit expansion using I2C or SMBus protocols. Consider the QFN-EP-24 package constraints for PCB layout planning. Evaluate thermal management needs given the 200 mW power dissipation rating. Verify that the 1.65 V to 3.6 V operating range aligns with target system power rails.
Part Context
This part belongs to the XRA1203 series of I/O expanders from MaxLinear. It shares functional similarities with other members like the XRA1201 but differs in packaging and interface speed specifications. The series targets applications needing compact serial-to-parallel conversion solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official MaxLinear documentation for potential cross-references or updated product line recommendations.
