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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 16B I/O Expander SPI interface MCP23S18-E/SO Microchip Technology 1: $2.449 248In Stock 945Expected 1/4/2027	Mfr. Part # MCP23S18-E/SO Mouser Part # 579-MCP23S18-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	248In Stock 945Expected 1/4/2027	$2.449 $2.051 $1.857	Min.: 1 Mult.: 1		SMD/SMT	SOIC-28	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 16B I/O Expander SPI interface MCP23S18-E/SP Microchip Technology 1: $2.575 500In Stock	Mfr. Part # MCP23S18-E/SP Mouser Part # 579-MCP23S18-E/SP	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	500In Stock	$2.575 $2.142 $1.937	Min.: 1 Mult.: 1		Through Hole	PDIP-28	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 Digital CAN I/O MCP25020-I/P Microchip Technology 1: $4.341 117In Stock	Mfr. Part # MCP25020-I/P Mouser Part # 579-MCP25020-I/P	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	117In Stock	$4.341 $3.623 $3.600	Min.: 1 Mult.: 1		Through Hole	PDIP-14	CAN	8 I/O	Without Interrupt	2.75 V	5.5 V	25 MHz	- 65 C	+ 150 C	Tube	3.5 kV
Interface - I/O Expanders Digital CAN I/O MCP25020-I/SL Microchip Technology 1: $4.147 89In Stock	Mfr. Part # MCP25020-I/SL Mouser Part # 579-MCP25020-I/SL	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	89In Stock	$4.147 $3.452 $3.418	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	2.75 V	5.5 V	25 MHz	- 40 C	+ 85 C	Tube	3.5 kV
Interface - I/O Expanders Mixed signal Expandr MCP25050-E/P Microchip Technology 1: $6.915 27In Stock	Mfr. Part # MCP25050-E/P Mouser Part # 579-MCP25050-E/P	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	27In Stock	$6.915 $5.776 $5.731	Min.: 1 Mult.: 1		Through Hole	PDIP-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 General-Purpose Outp ut Expander A 595-L A 595-LM8335TLX/NOPB LM8335TLE/NOPB Texas Instruments 1: $5.662 170In Stock	Mfr. Part # LM8335TLE/NOPB Mouser Part # 595-LM8335TLE/NOPB	Texas Instruments	Interface - I/O Expanders General-Purpose Outp ut Expander A 595-L A 595-LM8335TLX/NOPB	Datasheet	170In Stock	Cut Tape $5.662 $4.318 $3.976 $3.600 Reel $3.418 View $3.281 $3.167 $3.133 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8335	SMD/SMT	DSBGA-16	I2C, Serial	8 I/O	With Interrupt	1.8 V	3.3 V	26 MHz	- 30 C	+ 85 C	Reel, Cut Tape, MouseReel	8 kV
Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR PCA9534DB Texas Instruments 1: $5.742 109In Stock	Mfr. Part # PCA9534DB Mouser Part # 595-PCA9534DB	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR	Datasheet	109In Stock	$5.742 $4.375 $3.714 $3.555 View $3.520 $3.509 $3.395 $3.349	Min.: 1 Mult.: 1	PCA9534	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D PCA9536DR Texas Instruments 1: $1.777 186In Stock 10.000Expected 3/1/2027	Mfr. Part # PCA9536DR Mouser Part # 595-PCA9536DR	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D	Datasheet	186In Stock 10.000Expected 3/1/2027	Cut Tape $1.777 $1.310 $1.185 $1.048 Reel $903 View $985 $947 $938 $883 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PCA9536	SMD/SMT	SOIC-8	I2C, Serial, SMBus	4 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR PCA9539DB Texas Instruments 1: $5.605 70In Stock	Mfr. Part # PCA9539DB Mouser Part # 595-PCA9539DB	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR	Datasheet	70In Stock	$5.605 $4.272 $3.942 $3.555 View $3.384 $3.304 $3.293 $3.270	Min.: 1 Mult.: 1	PCA9539	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR PCA9539DW Texas Instruments 1: $5.457 270In Stock	Mfr. Part # PCA9539DW Mouser Part # 595-PCA9539DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR	Datasheet	270In Stock	$5.457 $4.249 $3.600 $3.406 View $3.224 $3.213 $3.110 $3.065	Min.: 1 Mult.: 1	PCA9539	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander PCA9554ADGVR Texas Instruments 1: $3.817 69In Stock	Mfr. Part # PCA9554ADGVR Mouser Part # 595-PCA9554ADGVR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	69In Stock	Cut Tape $3.817 $2.848 $2.598 $2.336 Reel $1.982 View $2.210 $2.153 $2.051 $1.948 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9554A	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW PCA9555DWR Texas Instruments 1: $4.591 413In Stock 4.000Expected 4/3/2028	Mfr. Part # PCA9555DWR Mouser Part # 595-PCA9555DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW	Datasheet	413In Stock 4.000Expected 4/3/2028	Cut Tape $4.591 $3.463 $3.179 $2.871 $2.768 Reel $2.347 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9555	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 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 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW PCF8574APWR Texas Instruments 1: $1.811 183In Stock 22.000On Order	Mfr. Part # PCF8574APWR Mouser Part # 595-PCF8574APWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW	Datasheet	183In Stock 22.000On Order On Order Ship Dates Mfr. #: PCF8574APWR Stock: 183 Can Ship Immediately On Order: 10.000 Expected 1/1/2027 12.000 Expected 2/18/2027 Factory Lead-Time: 12 Weeks	Cut Tape $1.811 $1.322 $1.208 $1.065 Reel $911 View $1.001 $963 $954 $873 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCF8574A	SMD/SMT	TSSOP-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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574ARGYR Texas Instruments 1: $2.917 780In Stock	Mfr. Part # PCF8574ARGYR Mouser Part # 595-PCF8574ARGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	780In Stock	Cut Tape $2.917 $2.176 $1.994 $1.777 Reel $1.492 View $1.686 $1.675 $1.458 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	PCF8574A	SMD/SMT	VQFN-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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR PCF8575CDW Texas Instruments 1: $8.852 171In Stock	Mfr. Part # PCF8575CDW Mouser Part # 595-PCF8575CDW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR	Datasheet	171In Stock	$8.852 $6.824 $6.300 $5.753 View $5.320 $5.161 $4.910	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	SOIC-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 A A 595-PCF8575CPW PCF8575CPWR Texas Instruments 1: $8.043 94In Stock	Mfr. Part # PCF8575CPWR Mouser Part # 595-PCF8575CPWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW	Datasheet	94In Stock	Cut Tape $8.043 $6.163 $5.696 $5.184 View Reel $4.842 $4.944 $4.853 $4.842 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	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	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW PCF8575DWR Texas Instruments 1: $3.566 580In Stock 4.000Expected 12/24/2026	Mfr. Part # PCF8575DWR Mouser Part # 595-PCF8575DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW	Datasheet	580In Stock 4.000Expected 12/24/2026	Cut Tape $3.566 $2.677 $2.449 $2.210 Reel $1.891 View $2.085 $2.051 $1.994 $1.857 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCF8575	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander TCA9554DBQR Texas Instruments 1: $2.233 1.370In Stock 2.500Expected 1/18/2027	Mfr. Part # TCA9554DBQR Mouser Part # 595-TCA9554DBQR	Texas Instruments	Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	1.370In Stock 2.500Expected 1/18/2027	Cut Tape $2.233 $1.652 $1.504 $1.344 Reel $1.134 View $1.265 $1.219 $1.110 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	TCA9554	SMD/SMT	SSOP-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 11Kb 40 IO EXPANDER W/EEPROM CY8C9540A-24PVXI Infineon Technologies 1: $14.674 107In Stock	Mfr. Part # CY8C9540A-24PVXI Mouser Part # 727-CY8C9540A-24PVXI	Infineon Technologies	Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM Learn More about Infineon Technologies cypress psoc	Datasheet	107In Stock	$14.674 $12.259 $10.333 $8.966 View $8.431 $8.226	Min.: 1 Mult.: 1	CY8C95xx	SMD/SMT	SSOP-48	I2C, Serial	40 I/O	With Interrupt	3 V	5.25 V	12 MHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion ADP5589ACPZ-00-R7 Analog Devices 1: $4.249 4.338In Stock	Mfr. Part # ADP5589ACPZ-00-R7 Mouser Part # 584-ADP5589ACPZ-00R7	Analog Devices	Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion	Datasheet	4.338In Stock	Cut Tape $4.249 $3.213 $2.939 $2.655 Reel $2.267 View $2.506 $2.484 $2.336 $2.233 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3.470 : 1.500	ADP5589	SMD/SMT	LFCSP-24	I2C, Serial	19 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch DS2408S+T&R Analog Devices / Maxim Integrated 1: $13.842 222In Stock	Mfr. Part # DS2408S+T&R Mouser Part # 700-DS2408S+T&R	Analog Devices / Maxim Integrated	Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch	Datasheet	222In Stock	Cut Tape $13.842 $10.846 $10.105 $9.274 $9.274 MouseReel Available	Min.: 1 Mult.: 1 Max.: 177	DS2408S	SMD/SMT	SOIC-16	1-Wire	8 I/O	Without Interrupt	2.8 V	5.25 V		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301AAI+ Analog Devices / Maxim Integrated 1: $15.369 680In Stock	Mfr. Part # MAX7301AAI+ Mouser Part # 700-MAX7301AAI	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	680In Stock	$15.369 $12.031 $10.960 $10.288 View $10.174 $9.627	Min.: 1 Mult.: 1 Max.: 587	MAX7301	SMD/SMT	SSOP-28	Serial, SPI	20 I/O	With Interrupt	2.5 V	5.5 V	26 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301AAX+ Analog Devices / Maxim Integrated 1: $19.026 908In Stock	Mfr. Part # MAX7301AAX+ Mouser Part # 700-MAX7301AAX	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	908In Stock	$19.026 $15.084 $13.614 $12.999 View $12.395 $12.179	Min.: 1 Mult.: 1 Max.: 726	MAX7301	SMD/SMT	SSOP-36	Serial, SPI	28 I/O	With Interrupt	2.5 V	5.5 V	26 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301AAX+T Analog Devices / Maxim Integrated 1: $18.787 456In Stock	Mfr. Part # MAX7301AAX+T Mouser Part # 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	456In Stock	Cut Tape $18.787 $14.890 $13.911 $12.840 $12.703 $12.703 MouseReel Available	Min.: 1 Mult.: 1 Max.: 364	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 8-Bit I/O Port Expande MAX7310ATE+T Analog Devices / Maxim Integrated 1: $9.615 2.430In Stock	Mfr. Part # MAX7310ATE+T Mouser Part # 700-MAX7310ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	2.430In Stock	Cut Tape $9.615 $7.405 $6.858 $6.255 $5.970 $5.970 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1.944	MAX7310	SMD/SMT	TQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	With ESD Protection