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Microchip Technology Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package / Case	Interface Type	Number of I/Os	Interrupt Output	Supply Voltage - Min	Supply Voltage - Max	Maximum Clock Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	ESD Protection
Interface - I/O Expanders In/Out I2C int MCP23008-E/P Microchip Technology 1: ₩2,170.2 2,955In Stock	Mfr. Part # MCP23008-E/P Mouser Part # 579-MCP23008-E/P	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	2,955In Stock	₩2,170.2 ₩1,803.8 ₩1,789.7	Min.: 1 Mult.: 1		Through Hole	PDIP-18	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders In/Out I2C int MCP23008-E/SO Microchip Technology 1: ₩1,930.6 6,215In Stock	Mfr. Part # MCP23008-E/SO Mouser Part # 579-MCP23008-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	6,215In Stock	₩1,930.6 ₩1,606.5 ₩1,479.7	Min.: 1 Mult.: 1		SMD/SMT	SOIC-18	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders In/Out I2C int MCP23008-E/SS Microchip Technology 1: ₩2,099.7 8,372In Stock	Mfr. Part # MCP23008-E/SS Mouser Part # 579-MCP23008-E/SS	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	8,372In Stock	₩2,099.7 ₩1,761.5 ₩1,592.4	Min.: 1 Mult.: 1		SMD/SMT	SSOP-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 8bit Input/Output Exp I2C interface MCP23008T-E/ML Microchip Technology 1: ₩2,099.7 10,295In Stock	Mfr. Part # MCP23008T-E/ML Mouser Part # 579-MCP23008T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	10,295In Stock	Cut Tape ₩2,099.7 ₩1,761.5 Reel ₩1,592.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,300		SMD/SMT	QFN-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders In/Out I2C int MCP23008T-E/SS Microchip Technology 1: ₩2,099.7 11,113In Stock	Mfr. Part # MCP23008T-E/SS Mouser Part # 579-MCP23008T-E/SS	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	11,113In Stock	Cut Tape ₩2,099.7 ₩1,761.5 Reel ₩1,592.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SSOP-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 8B I/O Expander I2C interface MCP23009-E/MG Microchip Technology 1: ₩2,297 11,448In Stock	Mfr. Part # MCP23009-E/MG Mouser Part # 579-MCP23009-E/MG	Microchip Technology	Interface - I/O Expanders 8B I/O Expander I2C interface	Datasheet	11,448In Stock	₩2,297 ₩1,916.5 ₩1,761.5	Min.: 1 Mult.: 1		SMD/SMT	QFN-16	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 8B I/O Expander SPI interface MCP23009T-E/MG Microchip Technology 1: ₩2,297 1,234In Stock 6,600Expected 1/25/2027	Mfr. Part # MCP23009T-E/MG Mouser Part # 579-MCP23009T-E/MG	Microchip Technology	Interface - I/O Expanders 8B I/O Expander SPI interface	Datasheet	1,234In Stock 6,600Expected 1/25/2027	Cut Tape ₩2,297 ₩1,916.5 ₩1,888.3 ₩1,874.2 ₩1,860.1 Reel ₩1,803.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,300		SMD/SMT	QFN-16	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 8-bit I/O Expander I2C interface MCP23009T-E/SS Microchip Technology 1: ₩2,297 1,872In Stock	Mfr. Part # MCP23009T-E/SS Mouser Part # 579-MCP23009T-E/SS	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	1,872In Stock	Cut Tape ₩2,297 ₩1,930.6 Reel ₩1,719.2 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SSOP-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16B I/O Expander I2C interface MCP23018-E/MJ Microchip Technology 1: ₩2,874.8 2,839In Stock	Mfr. Part # MCP23018-E/MJ Mouser Part # 579-MCP23018-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	2,839In Stock	₩2,874.8 ₩2,381.5 ₩2,170.2	Min.: 1 Mult.: 1		SMD/SMT	QFN-24	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 16-bit I/O Expander I2C interface MCP23018-E/SS Microchip Technology 1: ₩3,156.6 2,930In Stock	Mfr. Part # MCP23018-E/SS Mouser Part # 579-MCP23018-E/SS	Microchip Technology	Interface - I/O Expanders 16-bit I/O Expander I2C interface	Datasheet	2,930In Stock	₩3,156.6 ₩2,621.1 ₩2,381.5 ₩2,367.5 View ₩2,339.3 ₩2,325.2	Min.: 1 Mult.: 1		SMD/SMT	SSOP-24	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 16B I/O Expander I2C interface MCP23018T-E/MJ Microchip Technology 1: ₩2,874.8 1,437In Stock 9,900On Order	Mfr. Part # MCP23018T-E/MJ Mouser Part # 579-MCP23018T-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	1,437In Stock 9,900On Order	Cut Tape ₩2,874.8 ₩2,381.5 Reel ₩2,170.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,300		SMD/SMT	QFN-24	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16-bit I/O Expander I2C interface MCP23018T-E/SS Microchip Technology 1: ₩3,156.6 4,571In Stock	Mfr. Part # MCP23018T-E/SS Mouser Part # 579-MCP23018T-E/SS	Microchip Technology	Interface - I/O Expanders 16-bit I/O Expander I2C interface	Datasheet	4,571In Stock	Cut Tape ₩3,156.6 ₩2,677.5 Reel ₩2,381.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,100		SMD/SMT	SSOP-24	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 8bit Input/Output Exp SPI interface MCP23S08-E/ML Microchip Technology 1: ₩2,325.2 5,550In Stock	Mfr. Part # MCP23S08-E/ML Mouser Part # 579-MCP23S08-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	5,550In Stock	₩2,325.2 ₩1,930.6 ₩1,916.5	Min.: 1 Mult.: 1		SMD/SMT	QFN-20	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders In/Out SPI int MCP23S08-E/SS Microchip Technology 1: ₩2,184.3 2,585In Stock 7,035Expected 11/16/2026	Mfr. Part # MCP23S08-E/SS Mouser Part # 579-MCP23S08-E/SS	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	2,585In Stock 7,035Expected 11/16/2026	₩2,184.3 ₩1,817.9 ₩1,634.7	Min.: 1 Mult.: 1		SMD/SMT	SSOP-20	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 8bit Input/Output Exp SPI interface MCP23S08T-E/ML Microchip Technology 1: ₩2,325.2 2,571In Stock 3,300Expected 12/21/2026	Mfr. Part # MCP23S08T-E/ML Mouser Part # 579-MCP23S08T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	2,571In Stock 3,300Expected 12/21/2026	Cut Tape ₩2,325.2 ₩2,297 Reel ₩1,916.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,300		SMD/SMT	QFN-20	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders In/Out SPI int MCP23S08T-E/SO Microchip Technology 1: ₩2,170.2 7,660In Stock	Mfr. Part # MCP23S08T-E/SO Mouser Part # 579-MCP23S08T-E/SO	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	7,660In Stock	Cut Tape ₩2,170.2 ₩2,142 Reel ₩1,789.7 MouseReel Available	Min.: 1 Mult.: 1 : 1,100		SMD/SMT	SOIC-18	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders In/Out SPI int MCP23S08T-E/SS Microchip Technology 1: ₩2,184.3 8,184In Stock	Mfr. Part # MCP23S08T-E/SS Mouser Part # 579-MCP23S08T-E/SS	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	8,184In Stock	Cut Tape ₩2,184.3 ₩1,817.9 Reel ₩1,634.7 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SSOP-20	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 8B I/O Expander SPI interface MCP23S09-E/MG Microchip Technology 1: ₩2,395.6 6,970In Stock 5,040Expected 12/14/2026	Mfr. Part # MCP23S09-E/MG Mouser Part # 579-MCP23S09-E/MG	Microchip Technology	Interface - I/O Expanders 8B I/O Expander SPI interface	Datasheet	6,970In Stock 5,040Expected 12/14/2026	₩2,395.6 ₩2,015.2 ₩1,817.9	Min.: 1 Mult.: 1		SMD/SMT	QFN-16	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 8B I/O Expander SPI interface MCP23S09T-E/MG Microchip Technology 1: ₩2,395.6 2,626In Stock	Mfr. Part # MCP23S09T-E/MG Mouser Part # 579-MCP23S09T-E/MG	Microchip Technology	Interface - I/O Expanders 8B I/O Expander SPI interface	Datasheet	2,626In Stock	Cut Tape ₩2,395.6 ₩2,015.2 Reel ₩1,817.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,300		SMD/SMT	QFN-16	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17-E/ML Microchip Technology 1: ₩2,874.8 2,653In Stock 9,760Expected 12/3/2026	Mfr. Part # MCP23S17-E/ML Mouser Part # 579-MCP23S17-E/ML	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	2,653In Stock 9,760Expected 12/3/2026	₩2,874.8 ₩2,381.5 ₩2,170.2	Min.: 1 Mult.: 1	MCP23S17	SMD/SMT	QFN-28	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17-E/SP Microchip Technology 1: ₩2,508.4 10,156In Stock	Mfr. Part # MCP23S17-E/SP Mouser Part # 579-MCP23S17-E/SP	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	10,156In Stock	₩2,508.4 ₩2,099.7 ₩1,902.4	Min.: 1 Mult.: 1	MCP23S17	Through Hole	SPDIP-28	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17T-E/SO Microchip Technology 1: ₩2,381.5 10,998In Stock 17,600Expected 1/1/2027	Mfr. Part # MCP23S17T-E/SO Mouser Part # 579-MCP23S17T-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	10,998In Stock 17,600Expected 1/1/2027	Cut Tape ₩2,381.5 ₩1,972.9 Reel ₩1,803.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23S17	SMD/SMT	SOIC-28	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18-E/MJ Microchip Technology 1: ₩3,029.8 3,023In Stock 4,095On Order	Mfr. Part # MCP23S18-E/MJ Mouser Part # 579-MCP23S18-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	3,023In Stock 4,095On Order	₩3,029.8 ₩2,536.6 ₩2,297	Min.: 1 Mult.: 1		SMD/SMT	QFN-24	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18T-E/MJ Microchip Technology 1: ₩3,029.8 2,405In Stock 9,900Expected 1/1/2027	Mfr. Part # MCP23S18T-E/MJ Mouser Part # 579-MCP23S18T-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	2,405In Stock 9,900Expected 1/1/2027	Cut Tape ₩3,029.8 ₩2,536.6 Reel ₩2,297 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	MCP23S18	SMD/SMT	QFN-24	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18T-E/SO Microchip Technology 1: ₩3,029.8 946In Stock	Mfr. Part # MCP23S18T-E/SO Mouser Part # 579-MCP23S18T-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	946In Stock	Cut Tape ₩3,029.8 ₩2,536.6 Reel ₩2,297 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection

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Microchip Technology Interface - I/O Expanders

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