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SMD/SMT Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 8bit Input/Output Exp I2C interface MCP23008-E/ML Microchip Technology 1: ¥247.5 8,121In Stock	Mfr. Part # MCP23008-E/ML Mouser Part # 579-MCP23008-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	8,121In Stock	¥247.5 ¥207.6 ¥187.7	Min.: 1 Mult.: 1		SMD/SMT	QFN-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 In/Out I2C int MCP23008-E/SO Microchip Technology 1: ¥227.6 6,367In Stock	Mfr. Part # MCP23008-E/SO Mouser Part # 579-MCP23008-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	6,367In Stock	¥227.6 ¥189.4 ¥174.4	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: ¥247.5 8,412In Stock	Mfr. Part # MCP23008-E/SS Mouser Part # 579-MCP23008-E/SS	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	8,412In Stock	¥247.5 ¥207.6 ¥187.7	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: ¥247.5 10,395In 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	10,395In Stock	Cut Tape ¥247.5 ¥207.6 Reel ¥187.7 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: ¥247.5 11,843In Stock	Mfr. Part # MCP23008T-E/SS Mouser Part # 579-MCP23008T-E/SS	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	11,843In Stock	Cut Tape ¥247.5 ¥207.6 Reel ¥187.7 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 SPI interface MCP23009T-E/MG Microchip Technology 1: ¥270.7 1,299In Stock 6,600On Order	Mfr. Part # MCP23009T-E/MG Mouser Part # 579-MCP23009T-E/MG	Microchip Technology	Interface - I/O Expanders 8B I/O Expander SPI interface	Datasheet	1,299In Stock 6,600On Order	Cut Tape ¥270.7 ¥225.9 ¥222.6 ¥220.9 ¥219.3 Reel ¥212.6 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: ¥270.7 1,997In 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	1,997In Stock	Cut Tape ¥270.7 ¥227.6 Reel ¥202.6 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: ¥338.8 2,883In 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	2,883In Stock	¥338.8 ¥280.7 ¥255.8	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: ¥372.1 3,090In 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	3,090In Stock	¥372.1 ¥308.9 ¥280.7 ¥279 View ¥275.7 ¥274.1	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: ¥338.8 4,809In Stock	Mfr. Part # MCP23018T-E/MJ Mouser Part # 579-MCP23018T-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	4,809In Stock	Cut Tape ¥338.8 ¥280.7 Reel ¥255.8 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: ¥372.1 4,596In 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	4,596In Stock	Cut Tape ¥372.1 ¥315.6 Reel ¥280.7 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: ¥274.1 5,597In 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	5,597In Stock	¥274.1 ¥227.6 ¥225.9	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: ¥257.5 2,862In Stock	Mfr. Part # MCP23S08-E/SS Mouser Part # 579-MCP23S08-E/SS	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	2,862In Stock	¥257.5 ¥214.3 ¥192.7	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: ¥274.1 2,866In Stock	Mfr. Part # MCP23S08T-E/ML Mouser Part # 579-MCP23S08T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	2,866In Stock	Cut Tape ¥274.1 ¥270.7 Reel ¥225.9 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/SS Microchip Technology 1: ¥257.5 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 ¥257.5 ¥214.3 Reel ¥192.7 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: ¥282.4 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	¥282.4 ¥237.5 ¥214.3	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: ¥282.4 2,627In 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	2,627In Stock	Cut Tape ¥282.4 ¥237.5 Reel ¥214.3 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: ¥338.8 3,734In 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	3,734In Stock 9,760Expected 12/3/2026	¥338.8 ¥280.7 ¥255.8	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 MCP23S17T-E/SO Microchip Technology 1: ¥280.7 11,126In 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	11,126In Stock 17,600Expected 1/1/2027	Cut Tape ¥280.7 ¥232.5 Reel ¥212.6 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: ¥357.1 3,444In Stock	Mfr. Part # MCP23S18-E/MJ Mouser Part # 579-MCP23S18-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	3,444In Stock	¥357.1 ¥299 ¥270.7	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: ¥357.1 2,457In 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	2,457In Stock 9,900Expected 1/1/2027	Cut Tape ¥357.1 ¥299 Reel ¥270.7 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: ¥357.1 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 ¥357.1 ¥299 Reel ¥270.7 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
Interface - I/O Expanders Mixed signal Expandr MCP25050-I/SL Microchip Technology 1: ¥803.9 1,011In Stock	Mfr. Part # MCP25050-I/SL Mouser Part # 579-MCP25050-I/SL	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	1,011In Stock	¥803.9 ¥667.7 ¥664.4	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	5.5 V	5.5 V	25 MHz	- 65 C	+ 150 C	Tube	3.5 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534ARGVR Texas Instruments 1: ¥705.9 2,942In Stock	Mfr. Part # PCA9534ARGVR Mouser Part # 595-PCA9534ARGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	2,942In Stock	Cut Tape ¥705.9 ¥534.8 ¥491.7 ¥445.1 View Reel ¥402 ¥433.5 ¥431.9 ¥416.9 ¥402 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534A	SMD/SMT	VQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW PCA9534DWR Texas Instruments 1: ¥543.1 3,534In Stock	Mfr. Part # PCA9534DWR Mouser Part # 595-PCA9534DWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW	Datasheet	3,534In Stock	Cut Tape ¥543.1 ¥406.9 ¥372.1 ¥333.9 Reel ¥285.7 View ¥315.6 ¥308.9 ¥300.6 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534	SMD/SMT	SOIC-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV