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Device Name Status 5K Pricing Description Operating Voltage (V) Interface Max/ Bus Frequency (kBits/s) Packages
MCP23S08 In Production $0.78 8-bit I/O Port Expander 1.8 - 5.5
SPI 10000 18/PDIP
MCP23S09 In Production $0.87 8-bit I/O Port Expander 1.8 - 5.5
SPI 10000 16/QFN
MCP23008 In Production $0.73 8-bit I/O Port Expander 1.8 - 5.5
I²C™ 1700 18/PDIP
MCP23S17 In Production $0.91 16-bit I/O Port Expander 1.8 - 5.5
SPI 10000 28/QFN
MCP23009 In Production $0.82 8-bit I/O Port Expander 1.8 - 5.5
I²C™ 3400 16/QFN
MCP23017 In Production $0.87 16-bit I/O Port Expander 1.8 - 5.5
I²C™ 1700 28/QFN
MCP23018 In Production $1.09 16-bit I/O Port Expander 1.8 - 5.5
I²C™ 3400 24/QFN
MCP23016 Not Recommended for new designs $1.15 16-bit I/O Port Expander 2.0 - 5.5
I²C™ 400 28/QFN
MCP23S18 In Production $1.16 16-bit I/O Port Expander 1.8 - 5.5
SPI 10000 24/QFN