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MCP23018 - 16-Bit I/O Expander

MCP23018 Description

MCP23018/MCP23S18 16-Bit I/O Expander with Open-Drain Outputs .
I2C PINOUT DESCRIPTION (MCP23018) 24L QFN 24 1 2 3 4 5 6 7 8 23 9 10 11 12 13 14 15 16 17 18 19 20 21 22. 25 24L Pin SSOP Type 2 3 4 5 6 7 8.

MCP23018 Features

* 16-bit remote bidirectional I/O port: - I/O pins default to input
* Open-drain outputs: - 5.5V tolerant - 25 mA sink capable (per pin) - 400 mA total
* High-speed I2C™ interface: (MCP23018) - 100 kHz - 400 kHz - 3.4 MHz
* High-speed SPI interface: (MCP23S18) - 10 MH

MCP23018 Applications

* The two devices differ only in the serial interface.
* MCP23018 - I2C interface
* MCP23S18 - SPI interface The MCP23X18 consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enable the I/Os as either inputs or outputs by w

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16-Bit Expander Microchip Technology
Microchip Technology MCP23018-like datasheet