MCP23016 Datasheet (Microchip Technology)

MCP23016, 16-Bit I2C I/O Expander

PINOUT DESCRIPTION PDIP, SOIC, SSOP Pin No.

9 10 2 3 4 5 7 11 12 13 21 22 23 24 25 26 27 28 14 15 6 16 17 18 1, 8, 19 20 QFN Pin No.

6 7 27 28 1 2 4 8 9 10 18 19 20 21 22 23 24 25 11 12 3 13 14 15 5, 16, 26 17 I/O/P Type I O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I I/O O I

MCP23016 Features

* 16-bit remote bidirectional I/O port - 16 I/O pins default to 16 inputs

* Fast I2C™ bus clock frequency (0 - 400 kbits/s)

* Three hardware address pins allow use of up to www.DataSheet4U.com eight devices

* High-current drive capability per I/O: ±25 mA

* Ope