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Product Detailed Parameters
- Description：IC XPNDR 400KHZ I2C SMBUS 16QFN
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Bulk
- Number of I/O：8
- 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：16-VFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
- Grade：-
- Qualification：-
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Overview
The XRA1200PIL16MTR-F is an 8-bit I2C/SMBus GPIO expander manufactured by MaxLinear. It operates within a supply voltage range of 1.65V to 3.6V and supports clock frequencies up to 400kHz. The device features open-drain active low interrupt output, individually programmable inputs with internal pull-up resistors enabled upon power-up, and three-state control for outputs. It provides 3kV HBM ESD protection and 200mA latch-up performance. The component is housed in a 16-pin QFN package (3x3mm) with an exposed thermal pad.
Feature Summary
- Pin and software compatible with CAT9534, CAT9554, PCA9534, and PCA9554 devices
- Internal pull-up resistors on all I/O pins are enabled automatically after power-up
- Supports up to 32 unique I2C slave addresses via A0-A2 address lines
- Configurable interrupt generation on rising edge, falling edge, or both edges
Applications
- Personal Digital Assistants (PDA)
- Cellular Phones and Data Devices
- Battery-Operated Devices
- Global Positioning System (GPS)
- Bluetooth Modules
Procurement Notes
Verify the specific suffix 'MTR' indicates tape and reel packaging when sourcing. Confirm the manufacturer origin as Exar Corporation or MaxLinear depending on the production batch date. Ensure the component meets RoHS compliance standards as indicated by the 'F' suffix in the ordering information section of the datasheet.
Selection Notes
Select this model over the standard XRA1200 if the application requires internal pull-up resistors to be active immediately upon power-up without external configuration. Verify that the 16-pin QFN package dimensions fit the PCB footprint constraints. Ensure the system voltage remains within the 1.65V to 3.6V operating range for reliable I2C communication.
Part Context
This component belongs to the XRA1200 series of 8-bit I/O expanders. It serves as an enhanced version of earlier models like the CAT9534 and PCA9534. The 'P' variant specifically distinguishes itself by having internal pull-ups enabled at reset, unlike the base XRA1200 model which leaves them disabled initially.
Replacement Considerations
Verified pin-compatible replacements include CAT9534, CAT9554, PCA9534, and PCA9554. Note that while pin-compatible, the XRA1200P differs from the standard XRA1200/CAT9534/PCA9534 regarding default internal pull-up states.
