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Microchip Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) 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 16B I/O Expander I2C interface MCP23018T-E/SO Microchip Technology 1: NT$73.13 7,721In Stock	Mfr. Part # MCP23018T-E/SO Mouser Part # 579-MCP23018T-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	7,721In Stock	Cut Tape NT$73.13 NT$60.59 NT$58.44 NT$53.78 NT$53.42 Reel NT$50.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	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 In/Out MCP23016-I/ML Microchip Technology 1: NT$81.38 1,145In Stock	Mfr. Part # MCP23016-I/ML Mouser Part # 579-MCP23016-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,145In Stock	NT$81.38 NT$68.12 NT$65.61	Min.: 1 Mult.: 1		SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SS Microchip Technology 1: NT$81.02 4,267In Stock	Mfr. Part # MCP23016-I/SS Mouser Part # 579-MCP23016-I/SS	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	4,267In Stock	NT$81.02 NT$76.72 NT$67.76 NT$67.40 NT$65.61	Min.: 1 Mult.: 1		SMD/SMT	SSOP-28	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/ML Microchip Technology 1: NT$81.38 1,826In Stock	Mfr. Part # MCP23016T-I/ML Mouser Part # 579-MCP23016T-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,826In Stock	Cut Tape NT$81.38 NT$80.66 Reel NT$65.61 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/SO Microchip Technology 1: NT$76.36 1,741In Stock	Mfr. Part # MCP23016T-I/SO Mouser Part # 579-MCP23016T-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,741In Stock	Cut Tape NT$76.36 NT$75.29 Reel NT$61.30 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders Digital 1 Wire capab MCP25025-I/SL Microchip Technology 1: NT$148.42 104In Stock	Mfr. Part # MCP25025-I/SL Mouser Part # 579-MCP25025-I/SL	Microchip Technology	Interface - I/O Expanders Digital 1 Wire capab	Datasheet	104In Stock	NT$148.42 NT$124.04 NT$122.97	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	2.7 V	5.5 V	4 MHz	- 65 C	+ 150 C	Tube	3.5 kV
Interface - I/O Expanders Mixed signal 1 Wire MCP25055-I/SL Microchip Technology 1: NT$203.27 100In Stock	Mfr. Part # MCP25055-I/SL Mouser Part # 579-MCP25055-I/SL	Microchip Technology	Interface - I/O Expanders Mixed signal 1 Wire	Datasheet	100In Stock	NT$203.27 NT$169.57 NT$167.78	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	2.7 V	5.5 V	25 MHz	- 40 C	+ 85 C	Tube	3.5 kV
Interface - I/O Expanders Mixed signal Expandr MCP25050-E/SL Microchip Technology 1: NT$207.93 30In Stock	Mfr. Part # MCP25050-E/SL Mouser Part # 579-MCP25050-E/SL	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	30In Stock	NT$207.93 NT$173.51 NT$172.08	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 Mixed signal 1 Wire MCP25055-I/P Microchip Technology 1: NT$213.31 80In Stock	Mfr. Part # MCP25055-I/P Mouser Part # 579-MCP25055-I/P	Microchip Technology	Interface - I/O Expanders Mixed signal 1 Wire	Datasheet	80In Stock	NT$213.31 NT$177.46 NT$176.38	Min.: 1 Mult.: 1		Through Hole	PDIP-14	CAN	8 I/O	Without Interrupt	2.7 V	5.5 V	25 MHz	- 40 C	+ 85 C	Tube	3.5 kV
Interface - I/O Expanders In/Out SPI int MCP23S08-E/P Microchip Technology 1: NT$57.72 901In Stock	Mfr. Part # MCP23S08-E/P Mouser Part # 579-MCP23S08-E/P	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	901In Stock	NT$57.72 NT$48.40 NT$45.89	Min.: 1 Mult.: 1		Through Hole	PDIP-18	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 Mixed signal Expandr MCP25050-I/P Microchip Technology 1: NT$180.68 239In Stock	Mfr. Part # MCP25050-I/P Mouser Part # 579-MCP25050-I/P	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	239In Stock	NT$180.68 NT$150.57 NT$148.78 NT$146.99 View NT$146.27 NT$145.55	Min.: 1 Mult.: 1		Through Hole	PDIP-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 In/Out I2C int MCP23008T-E/SO Microchip Technology 1: NT$49.11 26,069In Stock	Mfr. Part # MCP23008T-E/SO Mouser Part # 579-MCP23008T-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	26,069In Stock	Cut Tape NT$49.11 NT$40.87 Reel NT$37.64 MouseReel Available	Min.: 1 Mult.: 1 : 1,100		SMD/SMT	SOIC-18	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 SPI int MCP23S08-E/SO Microchip Technology 1: NT$55.21 22,332In Stock	Mfr. Part # MCP23S08-E/SO Mouser Part # 579-MCP23S08-E/SO	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	22,332In Stock	NT$55.21 NT$45.89 NT$45.53	Min.: 1 Mult.: 1		SMD/SMT	SOIC-18	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 16bit Input/Output Exp SPI interface MCP23S17-E/SO Microchip Technology 1: NT$60.59 32,068In Stock	Mfr. Part # MCP23S17-E/SO Mouser Part # 579-MCP23S17-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	32,068In Stock	NT$60.59 NT$50.19 NT$45.89	Min.: 1 Mult.: 1	MCP23S17	SMD/SMT	SOIC-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/SS Microchip Technology 1: NT$63.81 13,243In Stock	Mfr. Part # MCP23S17-E/SS Mouser Part # 579-MCP23S17-E/SS	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	13,243In Stock	NT$63.81 NT$53.42 NT$48.40	Min.: 1 Mult.: 1	MCP23S17	SMD/SMT	SSOP-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/ML Microchip Technology 1: NT$73.13 37,825In Stock	Mfr. Part # MCP23S17T-E/ML Mouser Part # 579-MCP23S17T-E/ML	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	37,825In Stock	Cut Tape NT$73.13 NT$60.59 Reel NT$55.21 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23S17	SMD/SMT	QFN-28	Serial, SPI	16 I/O	With Interrupt	4.5 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 MCP23S17T-E/SS Microchip Technology 1: NT$63.81 18,690In Stock 14,855Expected 11/10/2026	Mfr. Part # MCP23S17T-E/SS Mouser Part # 579-MCP23S17T-E/SS	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	18,690In Stock 14,855Expected 11/10/2026	Cut Tape NT$63.81 NT$53.42 Reel NT$48.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	MCP23S17	SMD/SMT	SSOP-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 16bit Input/Output Exp I2C interface MCP23017-E/ML Microchip Technology 1: NT$64.53 43,560In Stock	Mfr. Part # MCP23017-E/ML Mouser Part # 579-MCP23017-E/ML	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	43,560In Stock	NT$64.53 NT$62.02 NT$55.57 NT$51.62	Min.: 1 Mult.: 1	MCP23017	SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SO Microchip Technology 1: NT$58.08 34,508In Stock	Mfr. Part # MCP23017-E/SO Mouser Part # 579-MCP23017-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	34,508In Stock	NT$58.08 NT$48.40 NT$44.45	Min.: 1 Mult.: 1	MCP23017	SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SP Microchip Technology 1: NT$60.59 11,471In Stock	Mfr. Part # MCP23017-E/SP Mouser Part # 579-MCP23017-E/SP	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	11,471In Stock	NT$60.59 NT$50.19 NT$45.89	Min.: 1 Mult.: 1	MCP23017	Through Hole	SPDIP-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SS Microchip Technology 1: NT$60.59 21,604In Stock	Mfr. Part # MCP23017-E/SS Mouser Part # 579-MCP23017-E/SS	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	21,604In Stock	NT$60.59 NT$50.19 NT$45.89	Min.: 1 Mult.: 1	MCP23017	SMD/SMT	SSOP-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/ML Microchip Technology 1: NT$68.12 17,546In Stock	Mfr. Part # MCP23017T-E/ML Mouser Part # 579-MCP23017T-E/ML	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	17,546In Stock	Cut Tape NT$68.12 NT$57.00 Reel NT$51.62 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23017	SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/SO Microchip Technology 1: NT$58.08 24,128In Stock	Mfr. Part # MCP23017T-E/SO Mouser Part # 579-MCP23017T-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	24,128In Stock	Cut Tape NT$58.08 NT$48.40 Reel NT$44.45 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23017	SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/SS Microchip Technology 1: NT$60.59 43,486In Stock	Mfr. Part # MCP23017T-E/SS Mouser Part # 579-MCP23017T-E/SS	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	43,486In Stock	Cut Tape NT$60.59 NT$50.19 Reel NT$45.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	MCP23017	SMD/SMT	SSOP-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 8bit Input/Output Exp I2C interface MCP23008-E/ML Microchip Technology 1: NT$53.42 7,245In Stock 4,095On Order	Mfr. Part # MCP23008-E/ML Mouser Part # 579-MCP23008-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	7,245In Stock 4,095On Order	NT$53.42 NT$44.81 NT$40.51	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

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Microchip Interface - I/O Expanders

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