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MCP23018

Microchip Technology
Part Number MCP23018
Manufacturer Microchip Technology
Description 16-Bit I/O Expander
Published Feb 25, 2011
Detailed Description MCP23018/MCP23S18 16-Bit I/O Expander with Open-Drain Outputs Features • 16-bit remote bidirectional I/O port: - I/O pin...
Datasheet PDF File MCP23018 PDF File

MCP23018
MCP23018

Overview
MCP23018/MCP23S18 16-Bit I/O Expander with Open-Drain Outputs Features • 16-bit remote bidirectional I/O port: - I/O pins default to input • Open-drain outputs: - 5.
5V tolerant - 25 mA sink capable (per pin) - 400 mA total • High-speed I2C™ interface: (MCP23018) - 100 kHz - 400 kHz - 3.
4 MHz • High-speed SPI interface: (MCP23S18) - 10 MHz: 2.
7V ≤ VDD ≤ 5.
5V • Single hardware address pin: (MCP23018) - Voltage input to allow up to eight devices on the bus • Configurable interrupt output pins: - Configurable as active-high, active-low or open-drain • Configurable interrupt source: - Interrupt-on-change from configured defaults or pin change • Polarity inversion register to configure the polarit...


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