16-Bit I/O Expander with Serial Interface Features: - 16-Bit Remote Bidirectional I/O Port: - I/O pins default to input - High-Speed I2C Interface (MCP23017): - 100kHz - 400kHz - 1.7MHz - High-Speed SPI Interface (MCP23S17): - 10 MHz (maximum) - Three Hardware Address Pins to Allow Up to Eight Devices On the Bus - Configurable Interrupt Output Pins: - Configurable as active-high, active-low or open-drain - INTA and INTB Can Be Configured to Operate Independently or Together - Configurable Interrupt Source: - Interrupt-on-change from configured register defaults or pin changes - Polarity Inversion Register to Configure the Polarity of the Input Port Data - External Reset Input - Low Standby Current: 1 µA (max.) - Operating Voltage: - 1.8V to 5.5V @ -40°C to +85°C - 2.7V to 5.5V @ -40°C to +85°C - 4.5V to 5.5V @ -40°C to +125°C Packages: - 28-pin QFN, 6 x 6 mm Body - 28-pin SOIC, Wide, 7.50 mm Body - 28-pin SPDIP, 300 mil Body - 28-pin SSOP, 5.30 mm Body https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2021-05-01 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2021-11-22 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2022-05-16 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2023-11-30 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2024-03-08 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2024-03-23 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2024-07-05 https://elecena.pl/product/18220101/mcp23017-e-so-i-o-extension-16bit-1-8-5v-serial-i2c-so-28 2026-09-28