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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	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 Mixed signal 1 Wire MCP25055-I/P Microchip Technology 1: $5.95 80In Stock	Mfr. Part No. MCP25055-I/P Mouser Part No 579-MCP25055-I/P	Microchip Technology	Interface - I/O Expanders Mixed signal 1 Wire	Datasheet	80In Stock	$5.95 $4.98	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 Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574AN PCF8574ANE4 Texas Instruments 1: $4.38 111In Stock	Mfr. Part No. PCF8574ANE4 Mouser Part No 595-PCF8574ANE4	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574AN	Datasheet	111In Stock	$4.38 $3.41 $2.90 $2.73 View $2.59 $2.57 $2.41 $2.36	Min.: 1 Mult.: 1		PCF8574A	Through Hole	PDIP-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders Mixed signal Expandr MCP25050-I/P Microchip Technology 1: $5.07 239In Stock	Mfr. Part No. MCP25050-I/P Mouser Part No 579-MCP25050-I/P	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	239In Stock	$5.07 $4.23	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 PERIPH PRG-I/O 5V 8MHZ 40CDIP IND ID82C55A Renesas / Intersil 1: $95.80 67In Stock	Mfr. Part No. ID82C55A Mouser Part No 968-ID82C55A	Renesas / Intersil	Interface - I/O Expanders PERIPH PRG-I/O 5V 8MHZ 40CDIP IND	Datasheet	67In Stock	$95.80 $78.93 $75.29 $70.15 View Quote	Min.: 1 Mult.: 1	No	82C55	Through Hole	CDIP-40	Parallel	24 I/O	With Interrupt	4.5 V	5.5 V	8 MHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17-E/SP Microchip Technology 1: $1.78 10,909In Stock	Mfr. Part No. MCP23S17-E/SP Mouser Part No 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	10,909In Stock	$1.78 $1.49 $1.35	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 8bit I/O Expndr PCF8574N Texas Instruments 1: $3.02 12,519In Stock	Mfr. Part No. PCF8574N Mouser Part No 595-PCF8574N	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr	Datasheet	12,519In Stock	$3.02 $2.26 $2.05 $1.83 View $1.73 $1.69 $1.60 $1.56 $1.54	Min.: 1 Mult.: 1		PCF8574	Through Hole	PDIP-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders In/Out SPI int MCP23S08-E/P Microchip Technology 1: $1.60 1,028In Stock	Mfr. Part No. MCP23S08-E/P Mouser Part No 579-MCP23S08-E/P	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	1,028In Stock	$1.60 $1.35 $1.33	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 8bit I/O Expndr PCF8574AN Texas Instruments 1: $4.33 751In Stock 1,100Expected 2026/10/09	Mfr. Part No. PCF8574AN Mouser Part No 595-PCF8574AN	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr	Datasheet	751In Stock 1,100Expected 2026/10/09	$4.33 $3.27 $2.94 $2.67 View $2.54 $2.49 $2.42 $2.35	Min.: 1 Mult.: 1		PCF8574A	Through Hole	PDIP-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SP Microchip Technology 1: $1.69 4,503In Stock 7,500Expected 2026/10/13	Mfr. Part No. MCP23017-E/SP Mouser Part No 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	4,503In Stock 7,500Expected 2026/10/13	$1.69 $1.40 $1.28	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 In/Out I2C int MCP23008-E/P Microchip Technology 1: $1.54 581In Stock 2,425Expected 2026/10/07	Mfr. Part No. MCP23008-E/P Mouser Part No 579-MCP23008-E/P	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	581In Stock 2,425Expected 2026/10/07	$1.54 $1.29	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 8-bit I/O Expander I2C interface MCP23009-E/P Microchip Technology 1: $1.59 277In Stock	Mfr. Part No. MCP23009-E/P Mouser Part No 579-MCP23009-E/P	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	277In Stock	$1.59 $1.33 $1.22	Min.: 1 Mult.: 1			Through Hole	PDIP-18	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 16 bit In/Out MCP23016-I/SP Microchip Technology 1: $2.24 491In Stock	Mfr. Part No. MCP23016-I/SP Mouser Part No 579-MCP23016-I/SP	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	491In Stock	$2.24 $1.87	Min.: 1 Mult.: 1			Through Hole	SPDIP-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 16B I/O Expander I2C interface MCP23018-E/SP Microchip Technology 1: $2.13 389In Stock	Mfr. Part No. MCP23018-E/SP Mouser Part No 579-MCP23018-E/SP	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	389In Stock	$2.13 $1.78 $1.60	Min.: 1 Mult.: 1			Through Hole	SPDIP-28	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 8-bit I/O Expander SPI interface MCP23S09-E/P Microchip Technology 1: $1.69 211In Stock	Mfr. Part No. MCP23S09-E/P Mouser Part No 579-MCP23S09-E/P	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	211In Stock	$1.69 $1.40 $1.28	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	4 kV
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18-E/SP Microchip Technology 1: $2.26 563In Stock	Mfr. Part No. MCP23S18-E/SP Mouser Part No 579-MCP23S18-E/SP	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	563In Stock	$2.26 $1.88 $1.70	Min.: 1 Mult.: 1			Through Hole	PDIP-28	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 Digital CAN I/O MCP25020-I/P Microchip Technology 1: $3.81 117In Stock	Mfr. Part No. MCP25020-I/P Mouser Part No 579-MCP25020-I/P	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	117In Stock	$3.81 $3.21	Min.: 1 Mult.: 1			Through Hole	PDIP-14	CAN	8 I/O	Without Interrupt	2.75 V	5.5 V	25 MHz	- 65 C	+ 150 C	Tube	3.5 kV
Interface - I/O Expanders Mixed signal Expandr MCP25050-E/P Microchip Technology 1: $6.07 27In Stock	Mfr. Part No. MCP25050-E/P Mouser Part No 579-MCP25050-E/P	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	27In Stock	$6.07 $5.09	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 Digital CAN I/O MCP25020-E/P Microchip Technology 1: $4.29 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP25020-E/P Mouser Part No 579-MCP25020-E/P	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	Non-Stocked Lead-Time 10 Weeks	$4.29 $3.57 $3.26	Min.: 1 Mult.: 1			Through Hole	PDIP-14				5.5 V	5.5 V		- 65 C	+ 150 C	Tube
Interface - I/O Expanders Digital 1 Wire capab MCP25025-I/P Microchip Technology 1: $4.33 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. MCP25025-I/P Mouser Part No 579-MCP25025-I/P	Microchip Technology	Interface - I/O Expanders Digital 1 Wire capab	Datasheet	Non-Stocked Lead-Time 9 Weeks	$4.33 $3.64	Min.: 1 Mult.: 1			Through Hole	PDIP-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 Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574N PCF8574NE4 Texas Instruments 600: $1.44 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PCF8574NE4 Mouser Part No 595-PCF8574NE4	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574N	Datasheet	Non-Stocked Lead-Time 9 Weeks	$1.44	Min.: 600 Mult.: 25		PCF8574	Through Hole	PDIP-16		8 I/O		2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube

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