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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.	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 16bit Input/Output Exp SPI interface MCP23S17T-E/ML Microchip Technology 1: $2.04 42,401In 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	42,401In Stock	Cut Tape $2.04 $1.69 Reel $1.54 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/SO Microchip Technology 1: $1.69 21,318In Stock	Mfr. Part No. MCP23S17T-E/SO Mouser Part No 579-MCP23S17T-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp SPI interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	21,318In Stock	Cut Tape $1.69 $1.40 Reel $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	MCP23S17	SMD/SMT	SOIC-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 SPI interface MCP23S17T-E/SS Microchip Technology 1: $1.78 21,278In Stock 23,100Expected 17/11/2026	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	21,278In Stock 23,100Expected 17/11/2026	Cut Tape $1.78 $1.49 Reel $1.35 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 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 $2.25 $2.05 $1.83 View $1.73 $1.69 $1.61 $1.56 $1.53	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 Remote 16bit I2C and SMBux TCA9539RGER Texas Instruments 1: $2.37 11,911In Stock	Mfr. Part No. TCA9539RGER Mouser Part No 595-TCA9539RGER	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C and SMBux	Datasheet	11,911In Stock	Cut Tape $2.37 $1.76 $1.61 $1.44 Reel $1.21 View $1.36 $1.32 $1.27 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA9539	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301AAX+T Analog Devices / Maxim Integrated 1: $16.63 2,754In Stock	Mfr. Part No. MAX7301AAX+T Mouser Part No 700-MAX7301AAXT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	2,754In Stock	Cut Tape $16.63 $13.84 $12.07 $11.26 View Reel $10.50 $11.23 $11.11 $10.50 Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,203 : 1,000	MAX7301	SMD/SMT	SSOP-36	Serial, SPI	28 I/O	With Interrupt	2.5 V	5.5 V	26 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311ATG+T Analog Devices / Maxim Integrated 1: $10.05 4,128In Stock	Mfr. Part No. MAX7311ATG+T Mouser Part No 700-MAX7311ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	4,128In Stock	Cut Tape $10.05 $8.08 $7.56 $6.96 View Reel $6.25 $6.79 $6.75 $6.63 $6.25 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,302 : 2,500	MAX7311	SMD/SMT	TQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AUG+T Analog Devices / Maxim Integrated 1: $12.31 2,335In Stock	Mfr. Part No. MAX7311AUG+T Mouser Part No 700-MAX7311AUGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	2,335In Stock	Cut Tape $12.31 $9.65 $8.98 $8.25 View $8.17 $7.91 $7.82 $7.82 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,868	MAX7311	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity MAX7313ATG+T Analog Devices / Maxim Integrated 1: $9.60 26,136In Stock	Mfr. Part No. MAX7313ATG+T Mouser Part No 700-MAX7313ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 16-Port I/O Expander with LED Intensity	Datasheet	26,136In Stock	Cut Tape $9.60 $7.46 $6.93 $6.35 $6.10 Reel $5.28 MouseReel Available	Min.: 1 Mult.: 1 Max.: 20,908 : 2,500	MAX7313	SMD/SMT	TQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders Ultra low-power 16 Mbit Serial SPI Page EEPROM M95P16-IXCST/EF STMicroelectronics 1: $1.56 2,232In Stock	Mfr. Part No. M95P16-IXCST/EF Mouser Part No 511-M95P16-IXCST/EF	STMicroelectronics	Interface - I/O Expanders Ultra low-power 16 Mbit Serial SPI Page EEPROM Learn More about STMicroelectronics stm m95p16 eeprom	Datasheet	2,232In Stock	Cut Tape $1.56 $1.39 $1.29 $1.20 View Reel $1.01 $1.15 $1.11 $1.10 $1.05 $1.01 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	M95P16	SMD/SMT	WLCSP-8										Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/ TCAL6408PWR Texas Instruments 1: $1.53 3,158In Stock	Mfr. Part No. TCAL6408PWR Mouser Part No 595-TCAL6408PWR	Texas Instruments	Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/ Learn More about Texas Instruments ti tcal6408 i2c bus smbus io expander	Datasheet	3,158In Stock	Cut Tape $1.53 $1.12 $1.02 $0.899 Reel $0.751 View $0.845 $0.812 $0.804 $0.735 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6408	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RDTOR Texas Instruments 1: $2.55 2,221In Stock	Mfr. Part No. TCAL6416RDTOR Mouser Part No 595-TCAL6416RDTOR	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	2,221In Stock	$2.55 $1.90 $1.73 $1.55 View $1.44 $1.39 $1.36 $1.27 $1.24	Min.: 1 Mult.: 1	TCAL6416R	SMD/SMT	X2QFN-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C			4 kV
Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538DTUR Texas Instruments 1: $2.26 1,213In Stock	Mfr. Part No. TCAL9538DTUR Mouser Part No 595-TCAL9538DTUR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	1,213In Stock	$2.26 $1.68 $1.53 $1.37 View $1.29 $1.25 $1.23 $1.15 $1.13	Min.: 1 Mult.: 1	TCAL9538	SMD/SMT	X2QFN-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 TCAL9538PWR Texas Instruments 1: $1.99 3,086In 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	3,086In Stock	$1.99 $1.46 $1.33 $1.19 View $1.12 $1.08 $1.07 $0.966 $0.946	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: $1.92 6,536In Stock	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	6,536In Stock	Cut Tape $1.92 $1.42 $1.29 $1.15 Reel $0.966 View $1.08 $1.04 $0.946 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 16-bit low-voltage I C-bus and SMBus I/O TCAL9539PWR Texas Instruments 1: $2.15 3,454In Stock	Mfr. Part No. TCAL9539PWR Mouser Part No 595-TCAL9539PWR	Texas Instruments	Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O Learn More about Texas Instruments ti tcal9539 i2c bus smbus io expander	Datasheet	3,454In Stock	Cut Tape $2.15 $1.59 $1.45 $1.30 Reel $1.08 View $1.23 $1.21 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9539	SMD/SMT	TSSOP-24	I2C, Serial	16 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: $1.96 1,579In 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		1,579In Stock	Cut Tape $1.96 $1.44 $1.27 $1.16 View Reel $0.972 $1.13 $1.11 $1.10 $0.972 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: $1.38 3,973In Stock 3,819Expected 10/09/2027	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		3,973In Stock 3,819Expected 10/09/2027	Cut Tape $1.38 $1.00 $0.905 $0.80 Reel $0.749 View $0.749 $0.651 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 TSSOP-24 T&R 3K PI4IOE5V6416RQ2LEX Diodes Incorporated 1: $2.59 3,845In Stock	Mfr. Part No. PI4IOE5V6416RQ2LEX Mouser Part No 621-PI4IOE5V6416RQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416rq io expander	Datasheet	3,845In Stock	Cut Tape $2.59 $1.92 $1.70 $1.56 View Reel $1.33 $1.52 $1.49 $1.47 $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24				1.65 V	5.5 V		- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K PI4IOE5V6524ZHEX Diodes Incorporated 1: $2.16 5,231In Stock	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		5,231In Stock	Cut Tape $2.16 $1.60 $1.44 $1.30 $1.22 Reel $1.22 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: $1.42 2,431In 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	2,431In Stock	Cut Tape $1.42 $1.03 $0.925 $0.818 Reel $0.672 View $0.766 $0.735 $0.703 $0.654 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 NCA9539PW/SOT355/TSSOP24 NCA9539PWJ Nexperia 1: $1.45 2,845In Stock	Mfr. Part No. NCA9539PWJ Mouser Part No 771-NCA9539PWJ	Nexperia	Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	2,845In Stock	Cut Tape $1.45 $1.06 $0.955 $0.846 Reel $0.678 View $0.794 $0.762 $0.741 $0.648 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 PCA9539PW/SOT355/TSSOP24 PCA9539PWJ Nexperia 1: $1.92 3,574In Stock	Mfr. Part No. PCA9539PWJ Mouser Part No 771-PCA9539PWJ	Nexperia	Interface - I/O Expanders PCA9539PW/SOT355/TSSOP24	Datasheet	3,574In Stock	Cut Tape $1.92 $1.41 $1.29 $1.15 Reel $0.99 View $1.08 $1.04 $0.948 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package PCAL9714HNMP NXP Semiconductors 1: $1.49 9,628In 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	9,628In Stock	Cut Tape $1.49 $1.09 $0.986 $0.875 View Reel $0.716 $0.822 $0.79 $0.781 $0.754 $0.716	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: $1.75 7,200In 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	7,200In Stock	Cut Tape $1.75 $1.29 $1.17 $1.05 View Reel $0.86 $0.98 $0.943 $0.916 $0.889 $0.86	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