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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	Qualification	Packaging	ESD Protection
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416PWR Texas Instruments 1: £1.58 2,929In Stock	Mfr. Part No. TCAL6416PWR Mouser Part No 595-TCAL6416PWR	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	2,929In Stock	Cut Tape £1.58 £1.17 £1.07 £0.952 Reel £0.803 View £0.899 £0.871 £0.856 £0.773 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6416	SMD/SMT	TSSOP-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538PWR Texas Instruments 1: £1.49 2,940In Stock	Mfr. Part No. TCAL9538PWR Mouser Part No 595-TCAL9538PWR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	2,940In Stock	£1.49 £1.10 £0.995 £0.89 View £0.841 £0.811 £0.803 £0.725 £0.711	Min.: 1 Mult.: 1	TCAL9538	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C
Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538RSVR Texas Instruments 1: £1.44 4,795In Stock 9,000Expected 03/05/2027	Mfr. Part No. TCAL9538RSVR Mouser Part No 595-TCAL9538RSVR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	4,795In Stock 9,000Expected 03/05/2027	Cut Tape £1.44 £1.07 £0.969 £0.863 Reel £0.725 View £0.811 £0.78 £0.711 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9538	SMD/SMT	UQFN-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416ALEX Diodes Incorporated 1: £1.48 1,750In Stock	Mfr. Part No. PI4IOE5V6416ALEX Mouser Part No 621-PI4IOE5V6416ALEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		1,750In Stock	Cut Tape £1.48 £1.08 £0.952 £0.871 View Reel £0.73 £0.849 £0.834 £0.826 £0.73 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	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander V-QFN4040-24 T&R 3.5K PI4IOE5V6416AZDEX Diodes Incorporated 1: £1.04 5,337In Stock	Mfr. Part No. PI4IOE5V6416AZDEX Mouser Part No 621-PI4IOE5V6416AZDE	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander V-QFN4040-24 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		5,337In Stock	Cut Tape £1.04 £0.751 £0.679 £0.601 Reel £0.562 View £0.562 £0.489 MouseReel Available	Min.: 1 Mult.: 1 : 3,500		SMD/SMT	TQFN-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 Interface IO Expander W-QFN5050-32 T&R 2.5K PI4IOE5V6524ZHEX Diodes Incorporated 1: £1.62 3,218In Stock 5,000Expected 14/04/2028	Mfr. Part No. PI4IOE5V6524ZHEX Mouser Part No 621-PI4IOE5V6524ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		3,218In Stock 5,000Expected 14/04/2028	Cut Tape £1.62 £1.20 £1.08 £0.978 £0.917 Reel £0.917 MouseReel Available	Min.: 1 Mult.: 1 Max.: 320 : 2,500		SMD/SMT	WQFN5050-32	I2C, Serial	24 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders NCA9535PW/SOT355/TSSOP24 NCA9535PWJ Nexperia 1: £1.07 2,614In Stock	Mfr. Part No. NCA9535PWJ Mouser Part No 771-NCA9535PWJ	Nexperia	Interface - I/O Expanders NCA9535PW/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	2,614In Stock	Cut Tape £1.07 £0.773 £0.695 £0.614 Reel £0.505 View £0.575 £0.552 £0.528 £0.491 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders NCA9555PW/SOT355/TSSOP24 NCA9555PWJ Nexperia 1: £1.21 2,702In Stock	Mfr. Part No. NCA9555PWJ Mouser Part No 771-NCA9555PWJ	Nexperia	Interface - I/O Expanders NCA9555PW/SOT355/TSSOP24 Learn More about Nexperia nca9555pw expanders	Datasheet	2,702In Stock	Cut Tape £1.21 £0.908 £0.826 £0.732 Reel £0.602 View £0.689 £0.662 £0.643 £0.588 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package PCAL9714HNMP NXP Semiconductors 1: £1.12 9,577In Stock	Mfr. Part No. PCAL9714HNMP Mouser Part No 771-PCAL9714HNMP	NXP Semiconductors	Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package Learn More about NXP Semiconductors nxp pcal9714 expanders	Datasheet	9,577In Stock	Cut Tape £1.12 £0.818 £0.74 £0.657 View Reel £0.538 £0.617 £0.593 £0.587 £0.566 £0.538	Min.: 1 Mult.: 1 : 6,000	PCAL9714	SMD/SMT	HVQFN-24	I2C, Serial		With Interrupt	1.1 V	5.5 V	5 MHz	- 40 C	+ 85 C		Reel, Cut Tape	2 kV
Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN24 package PCAL9714HN/Q900MP NXP Semiconductors 1: £1.24 6,998In Stock	Mfr. Part No. PCAL9714HN/Q900MP Mouser Part No 771-PCAL9714HNQ900MP	NXP Semiconductors	Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN24 package Learn More about NXP Semiconductors nxp pcal9714 expanders	Datasheet	6,998In Stock	Cut Tape £1.24 £0.934 £0.849 £0.759 View Reel £0.646 £0.715 £0.691 £0.688 £0.668 £0.646	Min.: 1 Mult.: 1 : 6,000	PCAL9714	SMD/SMT	HVQFN-24	I2C, Serial		With Interrupt	1.1 V	5.5 V	5 MHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape	2 kV
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/ML Microchip Technology 1: £1.42 43,091In Stock	Mfr. Part No. MCP23017-E/ML Mouser Part No 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	43,091In Stock	£1.42 £1.20 £1.08	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: £1.21 34,464In 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	34,464In 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 MCP23017-E/SP Microchip Technology 1: £1.27 11,324In Stock	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	11,324In Stock	£1.27 £1.05 £0.96	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: £1.27 21,570In 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	21,570In 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 16bit Input/Output Exp I2C interface MCP23017T-E/ML Microchip Technology 1: £1.42 17,199In Stock	Mfr. Part No. MCP23017T-E/ML Mouser Part No 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	17,199In Stock	Cut Tape £1.42 £1.20 Reel £1.08 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: £1.21 23,613In 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	23,613In 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 16bit Input/Output Exp I2C interface MCP23017T-E/SS Microchip Technology 1: £1.27 43,226In 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	43,226In 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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574ADGVR Texas Instruments 1: £2.84 6,895In Stock	Mfr. Part No. PCF8574ADGVR Mouser Part No 595-PCF8574ADGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	6,895In Stock	Cut Tape £2.84 £2.54 £2.51 £2.38 Reel £1.72 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	SMD/SMT	TVSOP-20	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	1 kV
Interface - I/O Expanders 8bit I/O Expndr PCF8574N Texas Instruments 1: £2.23 10,300In Stock	Mfr. Part No. PCF8574N Mouser Part No 595-PCF8574N	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr	Datasheet	10,300In Stock	£2.23 £1.68 £1.50 £1.34 View £1.30 £1.26 £1.20 £1.17 £1.15	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 Lo-Vltg 24B I2C and SMBus I/O Expander TCA6424ARGJR Texas Instruments 1: £2.41 24,439In Stock	Mfr. Part No. TCA6424ARGJR Mouser Part No 595-TCA6424ARGJR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 24B I2C and SMBus I/O Expander	Datasheet	24,439In Stock	Cut Tape £2.41 £1.80 £1.64 £1.48 Reel £1.26 £1.23 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6424A	SMD/SMT	UQFN-32	I2C, Serial, SMBus	24 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 Rem 16B I2C & SMBus Low-Pwr I/O Expander TCA9539RTWR Texas Instruments 1: £2.01 18,086In Stock	Mfr. Part No. TCA9539RTWR Mouser Part No 595-TCA9539RTWR	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander	Datasheet	18,086In Stock	Cut Tape £2.01 £1.50 £1.37 £1.23 Reel £1.05 View £1.16 £1.13 £1.11 £1.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA9539	SMD/SMT	WQFN-24	I2C, Serial, SMBus	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 Remote 16B I2C & SMB us I/O Expander TCA9555PWR Texas Instruments 1: £1.48 17,699In Stock	Mfr. Part No. TCA9555PWR Mouser Part No 595-TCA9555PWR	Texas Instruments	Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander Learn More about Texas Instruments ti tca9555 io expander	Datasheet	17,699In Stock	Cut Tape £1.48 £1.07 £0.978 £0.871 Reel £0.738 View £0.818 £0.788 £0.78 £0.721 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9555	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	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/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package PCA9500BS,118 NXP Semiconductors 1: £2.84 7,950In Stock	Mfr. Part No. PCA9500BS,118 Mouser Part No 771-PCA9500BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package	Datasheet	7,950In Stock	Cut Tape £2.84 £2.14 £1.96 £1.77 View Reel £1.52 £1.68 £1.67 £1.62 £1.59 £1.52 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9500	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package PCA9505DGGY NXP Semiconductors 1: £5.32 8,271In Stock	Mfr. Part No. PCA9505DGGY Mouser Part No 771-PCA9505DGGY	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package	Datasheet	8,271In Stock	Cut Tape £5.32 £4.07 £3.76 £3.42 £3.40 Reel £2.88 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9505	SMD/SMT	TSSOP-56	I2C, Serial	40 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 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package PCA9506DGG,518 NXP Semiconductors 1: £6.78 12,192In Stock 8,000Expected 22/03/2027	Mfr. Part No. PCA9506DGG,518 Mouser Part No 771-PCA9506DGG-T	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package	Datasheet	12,192In Stock 8,000Expected 22/03/2027	Cut Tape £6.78 £5.27 £4.90 £4.48 View Reel £3.94 £4.33 £4.26 £4.21 £3.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9506	SMD/SMT	TSSOP-56	I2C, Serial	40 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV