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Interface IC's Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 16-bit SPI bus I/O expander with interrupt, reset and I/O configurable registers TXE8116RGER Texas Instruments 1: £1.04 3,430In Stock New Product	Mfr. Part No. TXE8116RGER Mouser Part No 595-TXE8116RGER New Product	Texas Instruments	Interface - I/O Expanders 16-bit SPI bus I/O expander with interrupt, reset and I/O configurable registers Learn More about Texas Instruments ti txe8116 16 bit spi bus i o expander	Datasheet	3,430In Stock	Cut Tape £1.04 £0.751 £0.68 £0.601 View Reel £0.49 £0.563 £0.54 £0.517 £0.501 £0.49 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TXE8116	SMD/SMT	VQFN-24	SPI		With Interrupt	1.65 V	5.5 V	5 MHz, 10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders NCA6416BY/SOT8041/HWQFN24 NCA6416BYHP Nexperia 1: £1.18 2,256In Stock New Product	Mfr. Part No. NCA6416BYHP Mouser Part No 771-NCA6416BYHP New Product	Nexperia	Interface - I/O Expanders NCA6416BY/SOT8041/HWQFN24 Learn More about Nexperia nca6416 io expanders	Datasheet	2,256In Stock	Cut Tape £1.18 £0.863 £0.78 £0.693 Reel £0.58 View £0.651 £0.626 £0.621 £0.566 MouseReel Available	Min.: 1 Mult.: 1 : 3,000												Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17-E/SS Microchip Technology 1: £1.34 13,243In Stock	Mfr. Part No. MCP23S17-E/SS Mouser Part No 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	£1.34 £1.12 £1.01	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/SS Microchip Technology 1: £1.34 18,686In Stock 14,855Expected 10/11/2026	Mfr. Part No. MCP23S17T-E/SS Mouser Part No 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	18,686In Stock 14,855Expected 10/11/2026	Cut Tape £1.34 £1.12 Reel £1.01 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 In/Out I2C int MCP23008T-E/SO Microchip Technology 1: £1.03 26,069In Stock	Mfr. Part No. MCP23008T-E/SO Mouser Part No 579-MCP23008T-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	26,069In Stock	Cut Tape £1.03 £0.856 Reel £0.788 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 Low Voltage 16-Bit I2C-bus I/O Expander KTS1625EUAA-TB Kinetic Technologies 1: £1.53 1,050In Stock New Product	Mfr. Part No. KTS1625EUAA-TB Mouser Part No 389-KTS1625EUAA-TB New Product	Kinetic Technologies	Interface - I/O Expanders Low Voltage 16-Bit I2C-bus I/O Expander Learn More about Kinetic Technologies kinetic kts1625 16 bit i2c bus io expander	Datasheet	1,050In Stock	Cut Tape £1.53 £1.13 £1.03 £0.917 Reel £0.78 View £0.863 £0.834 £0.796 £0.751	Min.: 1 Mult.: 1 : 1,500	KTS1625	SMD/SMT	WQFN-24	I2C	16 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape
Interface - I/O Expanders 16bit Input/Output Exp SPI interface MCP23S17-E/SO Microchip Technology 1: £1.27 32,068In Stock	Mfr. Part No. MCP23S17-E/SO Mouser Part No 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	£1.27 £1.05 £0.96	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 8-bit I/O Expander I2C interface MCP23009T-E/SS Microchip Technology 1: £1.22 1,872In 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	1,872In Stock	Cut Tape £1.22 £1.03 Reel £0.917 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 16-bit SPI bus I/O e xpander with interr TXE8116DGSR Texas Instruments 1: £1.08 6,542In Stock 5,000Expected 19/04/2027 New Product	Mfr. Part No. TXE8116DGSR Mouser Part No 595-TXE8116DGSR New Product	Texas Instruments	Interface - I/O Expanders 16-bit SPI bus I/O e xpander with interr Learn More about Texas Instruments ti txe8116 16 bit spi bus i o expander	Datasheet	6,542In Stock 5,000Expected 19/04/2027	Cut Tape £1.08 £0.78 £0.711 £0.629 View Reel £0.512 £0.588 £0.566 £0.54 £0.525 £0.512 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TXE8116	SMD/SMT	VSSOP-24	SPI	16 I/O	Without Interrupt	1.65 V	5.5 V	10 MHz	- 40 C	+ 124 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8B I/O Expander I2C interface MCP23009-E/MG Microchip Technology 1: £1.22 11,448In Stock	Mfr. Part No. MCP23009-E/MG Mouser Part No 579-MCP23009-E/MG	Microchip Technology	Interface - I/O Expanders 8B I/O Expander I2C interface	Datasheet	11,448In Stock	£1.22 £1.02 £0.943	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 NCA9535BY-Q100/SOT8041/HWQFN24 NCA9535BY-Q100HP Nexperia 1: £1.26 6,421In Stock	Mfr. Part No. NCA9535BY-Q100HP Mouser Part No 771-NCA9535BY-Q100HP	Nexperia	Interface - I/O Expanders NCA9535BY-Q100/SOT8041/HWQFN24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	6,421In Stock	Cut Tape £1.26 £0.925 £0.841 £0.742 Reel £0.635 View £0.698 £0.671 £0.667 £0.621	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	HWQFN-24									Reel, Cut Tape
Interface - I/O Expanders NCA9535BY/SOT8041/HWQFN24 NCA9535BYHP Nexperia 1: £1.10 3,000In Stock	Mfr. Part No. NCA9535BYHP Mouser Part No 771-NCA9535BYHP	Nexperia	Interface - I/O Expanders NCA9535BY/SOT8041/HWQFN24	Datasheet	3,000In Stock	Cut Tape £1.10 £0.803 £0.726 £0.644 Reel £0.538 View £0.605 £0.582 £0.574 £0.526	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	HWQFN-24									Reel, Cut Tape
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/SS Microchip Technology 1: £1.27 43,486In Stock	Mfr. Part No. MCP23017T-E/SS Mouser Part No 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 £1.27 £1.05 Reel £0.96 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 16bit Input/Output Exp SPI interface MCP23S17T-E/ML Microchip Technology 1: £1.53 37,825In Stock	Mfr. Part No. MCP23S17T-E/ML Mouser Part No 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 £1.53 £1.27 Reel £1.15 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 16-bit I/O Expander I2C interface MCP23018T-E/SS Microchip Technology 1: £1.68 4,571In Stock	Mfr. Part No. MCP23018T-E/SS Mouser Part No 579-MCP23018T-E/SS	Microchip Technology	Interface - I/O Expanders 16-bit I/O Expander I2C interface	Datasheet	4,571In Stock	Cut Tape £1.68 £1.42 Reel £1.27 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 In/Out I2C int MCP23008T-E/SS Microchip Technology 1: £1.12 11,643In Stock	Mfr. Part No. MCP23008T-E/SS Mouser Part No 579-MCP23008T-E/SS	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	11,643In Stock	Cut Tape £1.12 £0.943 Reel £0.849 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 16bit Input/Output Exp I2C interface MCP23017-E/SS Microchip Technology 1: £1.27 21,604In Stock	Mfr. Part No. MCP23017-E/SS Mouser Part No 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	£1.27 £1.05 £0.96	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 NCA9539BY-Q100/SOT8041/HWQFN24 NCA9539BY-Q100HP Nexperia 1: £1.48 1,841In Stock	Mfr. Part No. NCA9539BY-Q100HP Mouser Part No 771-NCA9539BY-Q100HP	Nexperia	Interface - I/O Expanders NCA9539BY-Q100/SOT8041/HWQFN24	Datasheet	1,841In Stock	Cut Tape £1.48 £1.09 £0.995 £0.882 Reel £0.743 View £0.834 £0.803 £0.726 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	HWQFN-24									Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-bit I/O Expander I2C interface MCP23018-E/SS Microchip Technology 1: £1.68 2,930In Stock	Mfr. Part No. MCP23018-E/SS Mouser Part No 579-MCP23018-E/SS	Microchip Technology	Interface - I/O Expanders 16-bit I/O Expander I2C interface	Datasheet	2,930In Stock	£1.68 £1.40 £1.27 £1.26 View £1.25 £1.24	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 In/Out SPI int MCP23S08-E/SO Microchip Technology 1: £1.15 22,332In Stock	Mfr. Part No. MCP23S08-E/SO Mouser Part No 579-MCP23S08-E/SO	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	22,332In Stock	£1.15 £0.969	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 I2C interface MCP23017-E/SO Microchip Technology 1: £1.21 34,508In Stock	Mfr. Part No. MCP23017-E/SO Mouser Part No 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	£1.21 £1.01 £0.934	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 MCP23017T-E/SO Microchip Technology 1: £1.21 24,228In Stock	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	24,228In Stock	Cut Tape £1.21 £1.01 Reel £0.934 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 16-bit I2C/SMBus I/O expander with inter TCAL9539RPWR Texas Instruments 1: £1.55 1,894In Stock New Product	Mfr. Part No. TCAL9539RPWR Mouser Part No 595-TCAL9539RPWR New Product	Texas Instruments	Interface - I/O Expanders 16-bit I2C/SMBus I/O expander with inter Learn More about Texas Instruments ti tcal9539r i2c bus smbus io expander	Datasheet	1,894In Stock	Cut Tape £1.55 £1.14 £1.05 £0.934 Reel £0.78 View £0.882 £0.849 £0.826 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9539R	SMD/SMT	TSSOP-24	I2C	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders In/Out I2C int MCP23008-E/SS Microchip Technology 1: £1.12 8,372In 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	8,372In Stock	£1.12 £0.943 £0.849	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 16-bit translating I C-bus/SMBus I/O exp TCAL6416DGSR Texas Instruments 1: £1.57 6,601In Stock New Product	Mfr. Part No. TCAL6416DGSR Mouser Part No 595-TCAL6416DGSR New Product	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416 expander	Datasheet	6,601In Stock	Cut Tape £1.57 £1.16 £1.06 £0.943 View Reel £0.803 £0.89 £0.863 £0.841 £0.803	Min.: 1 Mult.: 1 : 5,000	TCAL6416	SMD/SMT	VSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape	With ESD Protection