MCP23017-E/SS 16-Bit I/O Expander with Serial Interface IC

MCP23017-E/SS 16-Bit I/O Expander with Serial Interface IC

The MCP23017-E/SS is a 16-bit I/O Expander, provides general purpose parallel I/O expansion for I²C bus or SPI applications. The two devices differ only in the serial interface. It 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 writing the I/O configuration bits (IODIRA/B). The data for each input or output is kept in the corresponding input or output register. The polarity of the Input port register can be inverted with the polarity inversion register. All registers can be read by the system master. 

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• Three Hardware Address Pins to Allow Up to Eight Devices On the Bus
  

• INTA and INTB Can Be Configured to Operate Independently 
  

• Polarity Inversion Register to Configure the Polarity of the Input Port Data
  

• External Reset Input
  

• Low Standby Current: 1 µA (max.)
  

Specifications of MCP23017-E/SS 16-Bit I/O Expander with Serial Interface IC

• Operating Voltage (Vdd): 1.8V to 5.5V
  

• I/O Pins: 16-bit, arranged in two 8-bit ports (PORTA and PORTB)
  

• I2C Interface: Standard (100 kHz), Fast (400 kHz), and High-Speed (1.7 MHz) modes supported
  

• Interrupt Capability: Interrupt-on-change feature for each I/O pin
  

• Operating Temperature Range: -40°C to +85°C (Industrial)
  

• Package Type: SSOP-28 (Shrink Small-Outline Package)
  

• Number of Pins: 28
  

Package Includes

• 1 x MCP23017-E/SS 16-Bit I/O Expander with Serial Interface IC