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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 LEO Level Translating I2C_ SMBUS_ SPI 16-bit I/O Expanders E-Grade NiPdAu TSSOP14 Tape and Reel APIO16ENT-R Apogee Semiconductor 1: $646.61 178In Stock New Product	Mfr. Part # APIO16ENT-R Mouser Part # 444-APIO16ENT-R New Product	Apogee Semiconductor	Interface - I/O Expanders LEO Level Translating I2C_ SMBUS_ SPI 16-bit I/O Expanders E-Grade NiPdAu TSSOP14 Tape and Reel Learn More about Apogee Semiconductor apogee apio16 rad hard io expander	Datasheet	178In Stock	Cut Tape $646.61 $559.57 Reel $537.81 MouseReel Available	Min.: 1 Mult.: 1 : 25	APIO16	SMD/SMT	TSSOP-28	I2C, SPI	16 I/O	With Interrupt	1.65 V	5.5 V	1 MHz, 25 MHz	- 55 C	+ 125 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DW PCA9535DWR Texas Instruments 1: $4.81 9,874In Stock	Mfr. Part # PCA9535DWR Mouser Part # 595-PCA9535DWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DW	Datasheet	9,874In Stock	Cut Tape $4.81 $3.63 $3.34 $3.00 Reel $2.67 View $2.85 $2.82 $2.74 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9535	SMD/SMT	SOIC-24	I2C, Serial, SMBus		With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders NCA9595PW-Q100/SOT355/TSSOP24 NCA9595PW-Q100J Nexperia 1: $2.93 2,263In Stock	Mfr. Part # NCA9595PW-Q100J Mouser Part # 771-NCA9595PW-Q100J	Nexperia	Interface - I/O Expanders NCA9595PW-Q100/SOT355/TSSOP24	Datasheet	2,263In Stock	Cut Tape $2.93 $2.17 $1.98 $1.77 Reel $1.50 View $1.68 $1.63 $1.56 $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders NCA9595PW/SOT355/TSSOP24 NCA9595PWJ Nexperia 1: $2.59 4,771In Stock	Mfr. Part # NCA9595PWJ Mouser Part # 771-NCA9595PWJ	Nexperia	Interface - I/O Expanders NCA9595PW/SOT355/TSSOP24	Datasheet	4,771In Stock	Cut Tape $2.59 $1.91 $1.74 $1.55 Reel $1.31 View $1.46 $1.40 $1.35 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders NCA9535PW-Q100/SOT355/TSSOP24 NCA9535PW-Q100J Nexperia 1: $2.11 13,009In Stock	Mfr. Part # NCA9535PW-Q100J Mouser Part # 771-NCA9535PW-Q100J	Nexperia	Interface - I/O Expanders NCA9535PW-Q100/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	13,009In Stock	Cut Tape $2.11 $1.55 $1.40 $1.24 Reel $1.04 View $1.17 $1.13 $1.11 $1.02 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	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMOKI PARTPL CMS82C55AZ96 Renesas / Intersil 1: $22.07 1,758In Stock	Mfr. Part # CMS82C55AZ96 Mouser Part # 968-CMS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMOKI PARTPL	Datasheet	1,758In Stock	Cut Tape $22.07 $17.17 $15.96 $14.65 Reel $13.64 View $14.29 $13.47 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	CMS82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	Without Interrupt	4.5 V	5.5 V		0 C	+ 70 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575CRGER Texas Instruments 1: $7.54 8,287In Stock	Mfr. Part # PCF8575CRGER Mouser Part # 595-PCF8575CRGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	8,287In Stock	Cut Tape $7.54 $5.75 $5.30 $4.80 View Reel $4.30 $4.56 $4.42 $4.37 $4.30 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8575C	SMD/SMT	VQFN-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 16-bit I2C-bus/SMBus I/O Expander with Interrupt in TSSOP24 package PCA9555PW,118 NXP Semiconductors 1: $2.99 49,872In Stock	Mfr. Part # PCA9555PW,118 Mouser Part # 771-PCA9555PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in TSSOP24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	49,872In Stock	Cut Tape $2.99 $2.39 $2.17 $1.95 Reel $1.63 View $1.85 $1.78 $1.76 $1.59 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9555	SMD/SMT	TSSOP-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
Interface - I/O Expanders 16-bit I2C and SMBus Port PI4IOE5V9535ZDEX Diodes Incorporated 1: $1.98 19,581In Stock	Mfr. Part # PI4IOE5V9535ZDEX Mouser Part # 729-PI4IOE5V9535ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	19,581In Stock	Cut Tape $1.98 $1.44 $1.31 $1.16 $1.09 Reel $1.09 MouseReel Available	Min.: 1 Mult.: 1 Max.: 410 : 3,500	PIO4IO	SMD/SMT	TQFN-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	4 kV
Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander KTS1620ERG-TR Kinetic Technologies 1: $3.47 854In Stock 2,000Expected 11/5/2026	Mfr. Part # KTS1620ERG-TR Mouser Part # 389-KTS1620ERG-TR	Kinetic Technologies	Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander Learn More about Kinetic Technologies kinetic kts1620 expander	Datasheet	854In Stock 2,000Expected 11/5/2026	Cut Tape $3.47 $2.57 $2.35 $2.11 Reel $1.83 View $1.99 $1.92 $1.81 $1.76 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	KTS1620	SMD/SMT	TQFN55-32	I2C, Serial	24 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/SO Microchip Technology 1: $2.77 1,741In Stock	Mfr. Part # MCP23016T-I/SO Mouser Part # 579-MCP23016T-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,741In Stock	Cut Tape $2.77 $2.73 Reel $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16B I/O Expander I2C interface MCP23018T-E/SO Microchip Technology 1: $2.65 7,721In Stock	Mfr. Part # MCP23018T-E/SO Mouser Part # 579-MCP23018T-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	7,721In Stock	Cut Tape $2.65 $2.20 $2.12 $1.95 $1.94 Reel $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	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 16 bit In/Out MCP23016-I/SS Microchip Technology 1: $2.94 4,267In Stock	Mfr. Part # MCP23016-I/SS Mouser Part # 579-MCP23016-I/SS	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	4,267In Stock	$2.94 $2.78 $2.46 $2.44 $2.38	Min.: 1 Mult.: 1		SMD/SMT	SSOP-28	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/ML Microchip Technology 1: $2.95 1,826In Stock	Mfr. Part # MCP23016T-I/ML Mouser Part # 579-MCP23016T-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,826In Stock	Cut Tape $2.95 $2.93 Reel $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW PCA9518PWR Texas Instruments 1: $3.25 2,120In Stock	Mfr. Part # PCA9518PWR Mouser Part # 595-PCA9518PWR	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW	Datasheet	2,120In Stock	Cut Tape $3.25 $1.65 $1.53 $1.50 Reel $1.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9518	SMD/SMT	TSSOP-20	I2C, Serial	5 I/O	Without Interrupt	3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp PCA9557DGVR Texas Instruments 1: $4.26 2,308In Stock	Mfr. Part # PCA9557DGVR Mouser Part # 595-PCA9557DGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp	Datasheet	2,308In Stock	Cut Tape $4.26 $3.19 $2.93 $2.63 View Reel $2.15 $2.48 $2.43 $2.31 $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534 CY8C9520A-24PVXI Infineon Technologies 1: $7.41 1,362In Stock	Mfr. Part # CY8C9520A-24PVXI Mouser Part # 727-CY8C9520A-24PVXI	Infineon Technologies	Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534 Learn More about Infineon Technologies cypress psoc	Datasheet	1,362In Stock	$7.41 $5.15 $4.60 $4.34 View $4.12 $4.11	Min.: 1 Mult.: 1	CY8C95xx	SMD/SMT	SSOP-28	I2C, Serial	20 I/O	With Interrupt	3 V	5.25 V	24 MHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders 16 bit In/Out MCP23016-I/ML Microchip Technology 1: $2.95 1,145In Stock	Mfr. Part # MCP23016-I/ML Mouser Part # 579-MCP23016-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,145In Stock	$2.95 $2.47 $2.38	Min.: 1 Mult.: 1		SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	Without ESD Protection
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DB PCA9534DBR Texas Instruments 1: $4.75 2,877In Stock	Mfr. Part # PCA9534DBR Mouser Part # 595-PCA9534DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DB	Datasheet	2,877In Stock	Cut Tape $4.75 $3.81 $3.58 $3.32 View Reel $3.07 $3.20 $3.12 $3.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DR PCA9536DRG4 Texas Instruments 1: $2.05 2,831In Stock	Mfr. Part # PCA9536DRG4 Mouser Part # 595-PCA9536DRG4	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DR	Datasheet	2,831In Stock	Cut Tape $2.05 $1.50 $1.37 $1.20 Reel $0.875 View $1.13 $1.08 $1.07 $0.852 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 60BIT IO EXPANDER W/EEPROM 27Kb CY8C9560A-24AXIT Infineon Technologies 1: $15.50 1,408In Stock	Mfr. Part # CY8C9560A-24AXIT Mouser Part # 727-CY8C9560A-24AXIT	Infineon Technologies	Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM 27Kb Learn More about Infineon Technologies cypress psoc	Datasheet	1,408In Stock	Cut Tape $15.50 $12.16 $11.31 $10.40 View Reel $9.01 $10.31 $9.70 $9.07 $9.01 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500	CY8C95xx	SMD/SMT	TQFP-100	I2C, Serial	60 I/O	With Interrupt	3 V	5.25 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity MAX7313ATG+T Analog Devices / Maxim Integrated 1: $12.45 23,162In Stock	Mfr. Part # MAX7313ATG+T Mouser Part # 700-MAX7313ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 16-Port I/O Expander with LED Intensity	Datasheet	23,162In Stock	Cut Tape $12.45 $9.69 $9.00 $8.24 View Reel $6.81 $7.93 $6.81 Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 20,628 : 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 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DBQR Texas Instruments 1: $5.53 2,532In Stock	Mfr. Part # PCA9539DBQR Mouser Part # 595-PCA9539DBQR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	2,532In Stock	Cut Tape $5.53 $4.17 $3.84 $3.46 View Reel $2.85 $3.28 $3.25 $3.06 $2.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9539	SMD/SMT	QSOP-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 Remote 16-Bit I2C & SMBus I/O Expander PCF8575DBQR Texas Instruments 1: $6.34 3,880In Stock	Mfr. Part # PCF8575DBQR Mouser Part # 595-PCF8575DBQR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	3,880In Stock	Cut Tape $6.34 $5.36 $5.10 $4.81 $4.69 Reel $4.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCF8575	SMD/SMT	SSOP-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 1-Wire 8-Channel Addressable Switch DS2408S+ Analog Devices / Maxim Integrated 1: $16.37 8,339In Stock	Mfr. Part # DS2408S+ Mouser Part # 700-DS2408S+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch	Datasheet	8,339In Stock	$16.37 $12.86 $11.44 $10.82 View $10.49 $10.08 $9.79 Quote	Min.: 1 Mult.: 1 Max.: 6,671	DS2408S	SMD/SMT	SOIC-Narrow-16	1-Wire	8 I/O	Without Interrupt	2.8 V	5.25 V		- 40 C	+ 85 C		Tube	Without ESD Protection