I/O extension, 16bit, 10 MHz, serial, SPI, SO-28

Properties:

- 16-bit bi-directional remote I/O port
- The I/O pins are provided for input by default.
- High-speed I2C ™ interface (MCP23017)
- 100 kHz
- 400 kHz
- 1.7 MHz
- High-speed SPI interface (MCP23S17)
- 10 MHz (max.)
- Three hardware address pins for 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 work independently or together
- Configurable interrupt source
- Interrupt-on-Change of configured register standards or pin changes
- Polarity reversal register for configuring polarity of input port data
- External reset input
- Low standby current: 1 µA (max.)
- Operating voltage:
- 1.8 V to 5.5 V at -40 ° C to + 85 ° C
- 2.7 V to 5.5 V at -40 ° C to + 85 ° C
- 4.5 V to 5.5 V at -40 ° C to + 125 ° C

Design:

- 28-pole PDIP (300 mil)
- 28-pole SOIC (300 mil)
- 28-pole SSOP
- 28-pole QFN