MCP23017 I2C CJMCU 2317 Serial Interface 16 Bit I/O Expander Module Port with Interface, High Speed Compatible Arduino Pack of 2

This set of products includes 2-module port expander Product parameters: Size: 26 mm in length and 21 mm in width, high-speed I2C interface (MC23017), high speed SPI interface (MCP23 S17), configurable interrupt source, low standby current: 1 μ A (maximum) Operating voltage of the product: -1.8 V to 5.5 V, - 40 °C + 85 °C - 2.7 V to 5.5 V, - 40 °C to +85 °C -4.5 V to 5.5 V, - 40 °C to +125 °C Product features: I/O pin standard input, high-speed I2C interface (MC23017): 100 kHz, 400 kHz, 1.7 MHz, high-speed SPI interface (MCP23 S17): 10 MHz (maximum), three hardware address pins allow up to eight devices on the bus Product advantages: configurable interrupt output pins: can be configured as a high, low or low open channel. ItA and int can be operated independently or together. Configurable interrupt source: interrupt change from configuration register, standard or PIN change, polarity reverse register configuration, polarity of input port data, external reset input