MCP23018-E/MJ

I/o Expanders Overview

The MCP23018-E/MJ is a Microchip Technology I/O expander featuring a 16-bit bidirectional port with open-drain outputs. It utilizes an I2C interface supporting 100 kHz, 400 kHz, and 3.4 MHz speeds. The device operates on a supply voltage ranging from 1.8 V to 5.5 V. It includes configurable interrupt outputs and a hardware address pin for multi-device bus configurations. The component passes Automotive AEC-Q100 reliability testing and functions within a temperature range of -40°C to +125°C.

I/o Expanders Feature Summary

• Passes Automotive AEC-Q100 Reliability Testing
• Configurable Interrupt Output Pins
• Single Hardware Address Pin for Multi-Device Bus Configurations

I/o Expanders Applications

• Automotive electronic systems requiring high reliability
• Industrial control panels needing expanded I/O capabilities
• Embedded devices utilizing I2C communication protocols

I/o Expanders Procurement Notes

Verify the specific suffix 'MJ' against official Microchip documentation to confirm package type and material specifications. Ensure compatibility with system voltage levels and I2C bus requirements before integration. Confirm that the device meets all necessary automotive or industrial standards required for the intended application environment.

I/o Expanders Selection Notes

Select this component when a 16-bit I/O expansion solution with I2C connectivity is required. Consider the open-drain output characteristics and 5.5V tolerance for interfacing with various logic levels. Evaluate the need for hardware addressability to support multiple units on a single bus line.

I/o Expanders Part Context

This part belongs to the MCP23018/MCP23S18 family of 16-bit I/O expanders. The MCP23018 variant specifically supports I2C communication, distinguishing it from the SPI-based MCP23S18. The family provides general-purpose parallel I/O expansion for serial bus applications.

I/o Expanders Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same product family. Verify electrical parameters and package dimensions before substituting.