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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPWR PCF8575CPW Texas Instruments 1: $12.20 204In Stock	Mfr. Part # PCF8575CPW Mouser Part # 595-PCF8575CPW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPWR	Datasheet	204In Stock	$12.20 $9.40 $8.71 $7.93 View $7.30 $7.29 $7.27 Quote	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575CDBQR Texas Instruments 1: $10.17 2,041In Stock	Mfr. Part # PCF8575CDBQR Mouser Part # 595-PCF8575CDBQR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	2,041In Stock	Cut Tape $10.17 $7.79 $7.20 $6.55 View Reel $5.50 $6.25 $6.06 $5.99 $5.50 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCF8575C	SMD/SMT	QSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16B I2C & SMBUS LOW PWR I/O EXPANDER TCA1116PWR Texas Instruments 1: $6.64 1,790In Stock	Mfr. Part # TCA1116PWR Mouser Part # 595-TCA1116PWR	Texas Instruments	Interface - I/O Expanders 16B I2C & SMBUS LOW PWR I/O EXPANDER	Datasheet	1,790In Stock	Cut Tape $6.64 $5.00 $4.59 $4.15 View Reel $3.64 $3.93 $3.90 $3.67 $3.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA1116	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 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9555DBR TCA9555DBT Texas Instruments 1: $4.39 467In Stock	Mfr. Part # TCA9555DBT Mouser Part # 595-TCA9555DBT	Texas Instruments	Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9555DBR Learn More about Texas Instruments ti tca9555 io expander	Datasheet	467In Stock	Cut Tape $4.39 $3.30 $3.02 $2.72 Reel $2.42 View $2.35 $2.28 $2.26 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9555	SMD/SMT	SSOP-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 Expandable 5-Ch I2C Hub PCA9518DWT Texas Instruments 1: $7.29 245In Stock	Mfr. Part # PCA9518DWT Mouser Part # 595-PCA9518DWT	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub	Datasheet	245In Stock	Cut Tape $7.29 $5.56 $5.13 $4.64 Reel $4.52 View $4.46 $4.31 $4.29 MouseReel Available	Min.: 1 Mult.: 1 : 250	PCA9518	SMD/SMT	SOIC-20		5 I/O		3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Lo Vltg 24B I2C & SM Bus I/O Expander TCA6424RGJR Texas Instruments 1: $9.06 2,280In Stock	Mfr. Part # TCA6424RGJR Mouser Part # 595-TCA6424RGJR	Texas Instruments	Interface - I/O Expanders Lo Vltg 24B I2C & SM Bus I/O Expander	Datasheet	2,280In Stock	Cut Tape $9.06 $6.94 $6.42 $5.83 View Reel $5.21 $5.56 $5.40 $5.33 $5.21 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6424	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 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9557DBR PCA9557DB Texas Instruments 1: $5.75 400In Stock	Mfr. Part # PCA9557DB Mouser Part # 595-PCA9557DB	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9557DBR	Datasheet	400In Stock	$5.75 $4.28 $3.92 $3.47 View $3.31 $3.24 $3.08 $3.07 $3.05	Min.: 1 Mult.: 1	PCA9557	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders 16-bit SPI bus I/O expander with interrupt, reset and I/O configurable registers TXE8116RGER Texas Instruments 1: $1.99 3,429In Stock New Product	Mfr. Part # TXE8116RGER Mouser Part # 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	3,429In Stock	Cut Tape $1.99 $1.44 $1.30 $1.15 View Reel $0.939 $1.08 $1.04 $0.991 $0.962 $0.939 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 Automotive 16-bit 1. 65 to 3.6V I2C/SMBu TCA9539BQPWRQ1 Texas Instruments 1: $3.51 1,958In Stock New Product	Mfr. Part # TCA9539BQPWRQ1 Mouser Part # 595-TCA9539BQPWRQ1 New Product	Texas Instruments	Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu Learn More about Texas Instruments ti tca9539x q1 i2c smbus io expander	Datasheet	1,958In Stock	$3.51 $2.61 $2.39 $2.13 View $2.02 $1.96 $1.93 $1.80 $1.76	Min.: 1 Mult.: 1		SMD/SMT	TSSOP-24	I2C	17 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 125 C
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416DGSR Texas Instruments 1: $3.01 6,601In Stock New Product	Mfr. Part # TCAL6416DGSR Mouser Part # 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 $3.01 $2.23 $2.03 $1.81 View Reel $1.54 $1.71 $1.66 $1.61 $1.54	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
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RADTOR Texas Instruments 1: $3.90 3,599In Stock New Product	Mfr. Part # TCAL6416RADTOR Mouser Part # 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	3,599In Stock	Cut Tape $3.90 $2.91 $2.66 $2.39 Reel $2.02 View $2.26 $2.20 $2.15 $1.99 MouseReel Available	Min.: 1 Mult.: 1 : 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 16-bit I2C/SMBus I/O expander with inter TCAL9539RPWR Texas Instruments 1: $2.97 1,895In Stock New Product	Mfr. Part # TCAL9539RPWR Mouser Part # 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	1,895In Stock	Cut Tape $2.97 $2.19 $2.00 $1.79 Reel $1.50 View $1.68 $1.63 $1.58 $1.47 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 16-bit SPI bus I/O e xpander with interr TXE8116DGSR Texas Instruments 1: $2.07 6,492In Stock 5,000Expected 2026-11-23 New Product	Mfr. Part # TXE8116DGSR Mouser Part # 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	6,492In Stock 5,000Expected 2026-11-23	Cut Tape $2.07 $1.50 $1.36 $1.21 View Reel $0.982 $1.13 $1.08 $1.04 $1.01 $0.982 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 In/Out I2C int MCP23008T-E/SO Microchip Technology 1: $1.97 25,982In Stock	Mfr. Part # MCP23008T-E/SO Mouser Part # 579-MCP23008T-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	25,982In Stock	Cut Tape $1.97 $1.64 Reel $1.51 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 In/Out SPI int MCP23S08-E/SO Microchip Technology 1: $2.22 22,306In Stock	Mfr. Part # MCP23S08-E/SO Mouser Part # 579-MCP23S08-E/SO	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	22,306In Stock	$2.22 $1.84 $1.83	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 SPI interface MCP23S17-E/SO Microchip Technology 1: $2.43 31,947In Stock	Mfr. Part # MCP23S17-E/SO Mouser Part # 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	31,947In Stock	$2.43 $2.02 $1.84	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 16bit Input/Output Exp SPI interface MCP23S17-E/SS Microchip Technology 1: $2.56 12,468In Stock	Mfr. Part # MCP23S17-E/SS Mouser Part # 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	12,468In Stock	$2.56 $2.15 $1.94	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/ML Microchip Technology 1: $2.94 37,110In Stock	Mfr. Part # MCP23S17T-E/ML Mouser Part # 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	37,110In Stock	Cut Tape $2.94 $2.43 Reel $2.22 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/SS Microchip Technology 1: $2.56 26,164In Stock	Mfr. Part # MCP23S17T-E/SS Mouser Part # 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	26,164In Stock	Cut Tape $2.56 $2.15 Reel $1.94 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 8-bit translating I& sup2;C-bus/SMBus I/ TCAL6408PWR Texas Instruments 1: $2.20 2,808In Stock	Mfr. Part # TCAL6408PWR Mouser Part # 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	2,808In Stock	Cut Tape $2.20 $1.61 $1.47 $1.29 Reel $1.08 View $1.22 $1.17 $1.16 $1.06 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 TCAL6416PWR Texas Instruments 1: $3.04 2,924In Stock	Mfr. Part # TCAL6416PWR Mouser Part # 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	2,924In Stock	Cut Tape $3.04 $2.25 $2.06 $1.83 Reel $1.54 View $1.73 $1.67 $1.64 $1.48 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: $2.87 2,940In Stock	Mfr. Part # TCAL9538PWR Mouser Part # 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	$2.87 $2.10 $1.92 $1.71 View $1.61 $1.56 $1.54 $1.39 $1.36	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: $2.76 2,984In Stock 9,000Expected 2027-05-03	Mfr. Part # TCAL9538RSVR Mouser Part # 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	2,984In Stock 9,000Expected 2027-05-03	Cut Tape $2.76 $2.04 $1.86 $1.66 Reel $1.39 View $1.56 $1.50 $1.36 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 TCAL9539RTWR Texas Instruments 1: $3.51 8,262In Stock	Mfr. Part # TCAL9539RTWR Mouser Part # 595-TCAL9539RTWR	Texas Instruments	Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O Learn More about Texas Instruments ti tcal9539r i2c bus smbus io expander	Datasheet	8,262In Stock	Cut Tape $3.51 $2.61 $2.39 $2.13 View Reel $1.79 $2.02 $1.96 $1.79 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCAL9539	SMD/SMT	WQFN-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 Automotive 16-bit lo w voltage I C/SMBus TCAL9539RTWRQ1 Texas Instruments 1: $5.24 6,518In Stock	Mfr. Part # TCAL9539RTWRQ1 Mouser Part # 595-TCAL9539RTWRQ1	Texas Instruments	Interface - I/O Expanders Automotive 16-bit lo w voltage I C/SMBus Learn More about Texas Instruments ti tcal9539r i2c bus smbus io expander	Datasheet	6,518In Stock	Cut Tape $5.24 $3.90 $3.57 $3.20 View Reel $2.66 $3.02 $2.95 $2.81 $2.72 $2.66 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCAL9539	SMD/SMT	WQFN-24	I2C, Serial	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel