* 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.

The two devices differ only in the serial interface.
* MCP23018 - I2C interface
* MCP23S18 - SPI interface The .

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 9 10 1 11 12 13 14 15 16 17 18 19 20 21 22 23 24 — — I/O I/O I/O I/O I/O I/O I/O I/O P P I I/O I I O O I/O .

Since 2006. D4U Semicon.   |   Contact Us   |   Privacy Policy   |   Purchase of parts