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Product Detailed Parameters
- Description：2-WIRE-INTERFACED 16 BIT I/O POR
- Series：*
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Number of I/O：-
- Interface：-
- Interrupt Output：-
- Features：-
- Output Type：-
- Current - Output Source/Sink：-
- Clock Frequency：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The MAX7311EAG is a 16-bit I/O port expander featuring an I2C/SMBus serial interface. It operates within a supply voltage range of 2 V to 5.5 V and supports clock frequencies up to 400 kHz. The device includes interrupt output capabilities and functions across an industrial temperature range from -40°C to +125°C. It is housed in a 24-lead SOIC package designed for surface-mount installation.
Feature Summary
- Provides sixteen general-purpose input/output pins accessible via a two-wire serial bus.
- Generates hardware interrupts to signal state changes on configured input ports.
- Compatible with standard I2C and SMBus communication protocols.
Applications
- Embedded systems requiring expansion of microcontroller GPIO resources
- Industrial control panels with limited processor pins
- Consumer electronics utilizing space-constrained surface-mount designs
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm exact package type and temperature grade. Confirm RoHS compliance status through current manufacturer declarations. Ensure the ordering part number matches the required pin configuration and electrical specifications for the target application environment.
Selection Notes
Select this component when sixteen bidirectional I/O lines are necessary alongside interrupt signaling. Verify that the system logic levels align with the 2 V to 5.5 V operating range. Consider the SOIC-24 footprint constraints during PCB layout planning. Ensure the host controller supports the required I2C clock speed and addressing scheme.
Part Context
This device belongs to the MAX7311 series of I/O expanders manufactured by Analog Devices under the Maxim Integrated brand. It serves as a digital interface solution for systems needing additional control lines without increasing processor complexity. The series is designed for reliable operation in demanding electronic environments.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains identical pinout, voltage ratings, and interface compatibility. Verify thermal performance matches the original requirements.
