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Interface IC's Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) 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	Qualification	Packaging	ESD Protection
Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K PI4IOE5V9537UEX Diodes Incorporated 1: Rp17.062 1.878In Stock	Mfr. Part No. PI4IOE5V9537UEX Mouser Part No 729-PI4IOE5V9537UEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K	Datasheet	1.878In Stock	Cut Tape Rp17.062 Rp12.273 Rp11.063 Rp9.723 Reel Rp9.723	Min.: 1 Mult.: 1 Max.: 170 : 2.500		SMD/SMT	MSOP-10										Reel, Cut Tape
Interface - I/O Expanders In/Out I2C int MCP23008-E/SS Microchip Technology 1: Rp27.336 8.865In Stock	Mfr. Part No. MCP23008-E/SS Mouser Part No 579-MCP23008-E/SS	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	8.865In Stock	Rp27.336 Rp22.933 Rp20.731	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 In/Out SPI int MCP23S08-E/SS Microchip Technology 1: Rp28.436 8.510In Stock	Mfr. Part No. MCP23S08-E/SS Mouser Part No 579-MCP23S08-E/SS	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	8.510In Stock	Rp28.436 Rp23.666 Rp21.281	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 16bit Input/Output Exp I2C interface MCP23017-E/SP Microchip Technology 1: Rp31.005 4.503In Stock 7.500Expected 13/10/2026	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 13/10/2026	Rp31.005 Rp25.684 Rp23.483	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/SO Microchip Technology 1: Rp25.134 6.794In Stock	Mfr. Part No. MCP23008-E/SO Mouser Part No 579-MCP23008-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	6.794In Stock	Rp25.134 Rp20.914 Rp19.263	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 16bit Input/Output Exp I2C interface MCP23017T-E/SO Microchip Technology 1: Rp29.721 10.777In Stock 16.000Expected 16/10/2026	Mfr. Part No. MCP23017T-E/SO Mouser Part No 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	10.777In Stock 16.000Expected 16/10/2026	Cut Tape Rp29.721 Rp24.767 Reel Rp22.749 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 16B I/O Expander I2C interface MCP23018-E/MJ Microchip Technology 1: Rp37.426 3.090In Stock	Mfr. Part No. MCP23018-E/MJ Mouser Part No 579-MCP23018-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	3.090In Stock	Rp37.426 Rp31.005 Rp28.253	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 PERI PRG-I/O 5V 8MHZ 44PLCC IND IS82C55AZ Renesas / Intersil 1: Rp761.909 746In Stock	Mfr. Part No. IS82C55AZ Mouser Part No 968-IS82C55AZ	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND	Datasheet	746In Stock	Rp761.909 Rp628.901 Rp591.108 Rp558.819 View Rp522.311 Quote	Min.: 1 Mult.: 1	82C55A	SMD/SMT	PLCC-44	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 16B I/O Expander SPI interface MCP23S18T-E/MJ Microchip Technology 1: Rp39.444 2.669In Stock 9.900Expected 01/01/2027	Mfr. Part No. MCP23S18T-E/MJ Mouser Part No 579-MCP23S18T-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	2.669In Stock 9.900Expected 01/01/2027	Cut Tape Rp39.444 Rp33.023 Reel Rp29.904 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 Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416Q2LEX Diodes Incorporated 1: Rp42.930 3.546In Stock	Mfr. Part No. PI4IOE5V6416Q2LEX Mouser Part No 621-I4IOE5V6416Q2LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416q io expander	Datasheet	3.546In Stock	Cut Tape Rp42.930 Rp31.739 Rp28.253 Rp25.868 View Reel Rp21.465 Rp25.134 Rp24.767 Rp24.400 Rp21.465 MouseReel Available	Min.: 1 Mult.: 1 : 3.000		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I2C-bus I/O Expander PI4IOE5V6408ZTAEX Diodes Incorporated 1: Rp15.778 4.285In Stock 9.000Expected 09/04/2027	Mfr. Part No. PI4IOE5V6408ZTAEX Mouser Part No 729-I4IOE5V6408ZTAEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C-bus I/O Expander	Datasheet	4.285In Stock 9.000Expected 09/04/2027	Cut Tape Rp15.778 Rp11.044 Rp9.613 Rp8.678 View Reel Rp8.164 Rp8.366 Rp8.164 Rp8.164 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3.000	PIO4IO	SMD/SMT	UQFN-16	I2C, Serial	8 I/O	With Interrupt	1.65 V	3.6 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18-E/MJ Microchip Technology 1: Rp39.444 3.983In Stock	Mfr. Part No. MCP23S18-E/MJ Mouser Part No 579-MCP23S18-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	3.983In Stock	Rp39.444 Rp33.023 Rp29.904	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 22-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN32 package PCAL9722HNMP NXP Semiconductors 1: Rp34.674 50.812In Stock	Mfr. Part No. PCAL9722HNMP Mouser Part No 771-PCAL9722HNMP	NXP Semiconductors	Interface - I/O Expanders 22-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN32 package Learn More about NXP Semiconductors nxp pcal9722 expanders	Datasheet	50.812In Stock	Cut Tape Rp34.674 Rp25.684 Rp23.299 Rp20.731 View Reel Rp17.209 Rp19.630 Rp18.896 Rp17.594 Rp17.209 MouseReel Available	Min.: 1 Mult.: 1 : 6.000	PCAL9722	SMD/SMT	HVQFN-32	I2C, Serial		With Interrupt	1.1 V	5.5 V	5 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 22-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN32 package PCAL9722HN/Q900MP NXP Semiconductors 1: Rp41.462 46.447In Stock	Mfr. Part No. PCAL9722HN/Q900MP Mouser Part No 771-PCAL9722HNQ900MP	NXP Semiconductors	Interface - I/O Expanders 22-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN32 package Learn More about NXP Semiconductors nxp pcal9722 expanders	Datasheet	46.447In Stock	Cut Tape Rp41.462 Rp30.638 Rp28.069 Rp24.951 View Reel Rp20.731 Rp23.666 Rp22.933 Rp20.731 MouseReel Available	Min.: 1 Mult.: 1 : 6.000	PCAL9722	SMD/SMT	HVQFN-32	Serial, SPI		With Interrupt	1.1 V	5.5 V	5 MHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K PI4IOE5V9538LEX Diodes Incorporated 1: Rp23.116 1.757In Stock	Mfr. Part No. PI4IOE5V9538LEX Mouser Part No 729-PI4IOE5V9538LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K	Datasheet	1.757In Stock	Cut Tape Rp23.116 Rp16.603 Rp14.530 Rp13.209 View Reel Rp11.375 Rp12.750 Rp12.475 Rp12.273 Rp11.375 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PIO4IO	SMD/SMT	TSSOP-16										Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8bit I/O Expndr PCF8574N Texas Instruments 1: Rp55.405 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	Rp55.405 Rp41.279 Rp37.609 Rp33.573 View Rp31.739 Rp31.005 Rp29.537 Rp28.620 Rp28.069	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 16-bit translating I C-bus/SMBus I/O exp TCAL6416RADTOR Texas Instruments 1: Rp49.718 3.569In Stock New Product	Mfr. Part No. TCAL6416RADTOR Mouser Part No 595-TCAL6416RADTOR New Product	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416r i2c bus smbus io expander	Datasheet	3.569In Stock	Cut Tape Rp49.718 Rp37.059 Rp33.940 Rp30.454 View Reel Rp27.336 Rp28.803 Rp28.069 Rp27.336 Rp27.336 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1.001 : 3.000	TCAL6416R	SMD/SMT	QFN-24	I2C	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander TCA9534PWR Texas Instruments 1: Rp28.069 28.185In Stock	Mfr. Part No. TCA9534PWR Mouser Part No 595-TCA9534PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander	Datasheet	28.185In Stock	Cut Tape Rp28.069 Rp20.548 Rp18.713 Rp16.456 Reel Rp13.760 View Rp15.466 Rp14.879 Rp14.713 Rp13.466 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	TCA9534	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expandr PI4IOE5V6416LEX Diodes Incorporated 1: Rp26.051 6.444In Stock	Mfr. Part No. PI4IOE5V6416LEX Mouser Part No 729-PI4IOE5V6416LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expandr Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	6.444In Stock	Cut Tape Rp26.051 Rp19.447 Rp17.135 Rp15.741 Rp15.264 Reel Rp15.264	Min.: 1 Mult.: 1 Max.: 410 : 3.000	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape	2 kV
Interface - I/O Expanders 48-bit I2C-bus I/O Expander PI4IOE5V96248ZLEX Diodes Incorporated 1: Rp52.470 6.985In Stock	Mfr. Part No. PI4IOE5V96248ZLEX Mouser Part No 729-I4IOE5V96248ZLEX	Diodes Incorporated	Interface - I/O Expanders 48-bit I2C-bus I/O Expander Learn More about Diodes Incorporated pericom io expanders	Datasheet	6.985In Stock	Cut Tape Rp52.470 Rp39.077 Rp34.857 Rp32.106 Reel Rp32.106 MouseReel Available	Min.: 1 Mult.: 1 Max.: 200 : 3.000	PIO4IO	SMD/SMT	TQFN-56	I2C, Serial	48 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders NCA6416PW/SOT355/TSSOP24 NCA6416PWJ Nexperia 1: Rp31.739 15In Stock 2.500Expected 23/10/2026 New Product	Mfr. Part No. NCA6416PWJ Mouser Part No 771-NCA6416PWJ New Product	Nexperia	Interface - I/O Expanders NCA6416PW/SOT355/TSSOP24 Learn More about Nexperia nca6416 io expanders	Datasheet	15In Stock 2.500Expected 23/10/2026	Cut Tape Rp31.739 Rp23.299 Rp21.281 Rp18.896 Reel Rp15.924 View Rp17.741 Rp17.080 Rp16.988 Rp15.557 MouseReel Available	Min.: 1 Mult.: 1 : 2.500													Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I/O Expander I2C interface MCP23009-E/SO Microchip Technology 1: Rp27.886 336In Stock	Mfr. Part No. MCP23009-E/SO Mouser Part No 579-MCP23009-E/SO	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	336In Stock	Rp27.886 Rp23.299 Rp21.098	Min.: 1 Mult.: 1		SMD/SMT	SOIC-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 Mixed signal Expandr MCP25050-I/SL Microchip Technology 1: Rp88.795 1.011In Stock	Mfr. Part No. MCP25050-I/SL Mouser Part No 579-MCP25050-I/SL	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	1.011In Stock	Rp88.795 Rp73.751 Rp73.384	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 8-bit I/O Expander I2C interface MCP23009T-E/SS Microchip Technology 1: Rp29.904 497In Stock	Mfr. Part No. MCP23009T-E/SS Mouser Part No 579-MCP23009T-E/SS	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	497In Stock	Cut Tape Rp29.904 Rp25.134 Reel Rp22.382 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 8-bit I/O Expander I2C interface MCP23009-E/P Microchip Technology 1: Rp29.170 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	Rp29.170 Rp24.217 Rp22.382	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