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16-Bit I2C I/O Expander
Overview
- Max. Bus Frequency [kBits/s]:400
- Operating Voltage [V] Max:5.5
- Operating Voltage [V] Min:2.0
- TempRange [°C] Max:85
- TempRange [°C] Min:-40
- 16-bit I/O port expander with interrupt
- 3 hardware address pins allow user to use up to 8 of these devices on the same I2C/SMBus
- 25mA source/sink capability per I/O
- I2C and SMBus compatible interface (0 to 400kHz clock frequency)
- 16 programmable bi-directional I/Os compatible with most processors
- Outputs can directly drive LEDs (Source and sink current 25mA)
- Polarity inversion register to configure the polarity of the input port data
- Internal power on reset (POR)
- Open-drain interrupt output activated when input changes state
- Low supply current
- Specified over Industrial temperature range -40°C to +85°C
The MCP23016 is not recommended for new designs. Please consider using the MCP23017 or MCP23018 instead.
The MCP23016 device provides 16-bit, general purpose, parallel I/O expansion for I2C™Compatible bus applications. It includes high-current drive capability, low supply current and individual I/O configuration. I/O expanders provide a simple solution when additional I/Os are needed for ACPI, power switches, sensors, push buttons, LEDs and so on.
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referencedesigns,Reference Designs:
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