Microchip MCP23016-I/SS, 16-channel I/O Expander 400kHz, I2C, 28-Pin SSOP

Microchip

Product Information

Mounting Type:
Surface Mount
Maximum Supply Voltage:
5.5 V
Minimum Supply Voltage:
2 V
Clock Frequency:
400kHz
Number of Pins:
28
Number of I/O Channels:
16
Interface:
I2C
Package Type:
SSOP
RoHs Compliant
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The Microchip MCP23016-I/SS is a highly efficient 16-bit I/O expander designed to increase the number of available general-purpose pins on a microcontroller via the I2C serial interface. Operating within a 2.0V to 5.5V range, this 28-pin SSOP component supports a 400kHz bus frequency and features an interrupt output for immediate status updates. Its low power consumption and robust architecture make it a reliable choice for complex embedded systems that require high-density input/output management.

Why Should You Buy the Product?

This Microchip MCP23016-I/SS I/O expander seamlessly scales your project's interface capabilities without upgrading to a larger microcontroller. It minimises system overhead by using only two communication wires while providing sixteen versatile, programmable I/O ports.

  • Saves critical board space with its compact 28-pin surface-mount package.
  • Simplifies hardware design by consolidating multiple I/O functions into a single I2C address.

Feature Highlights & Applications Areas

  • Key Features
  • 16-bit remote I/O port via I2C serial bus.
  • High-speed 400kHz clock frequency compatibility.
  • Programmable interrupt output for efficient event handling.
  • Wide operating voltage range.
  • Individually configurable input/output pins.
  • Uses
  • Expanding keypad and switch matrix inputs.
  • Driving LED indicators and alphanumeric displays.
  • Industrial control systems and automation modules.
  • Extending digital control in battery-powered handheld devices.

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Datasheet(Technical Reference)
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ESD Control Selection Guide V1(Technical Reference)

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