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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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: CHF 400.38 101In Stock 50Expected 12/3/2026 New Product	Mfr. Part No. APIO16ENT-R Mouser Part No 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	101In Stock 50Expected 12/3/2026	Cut Tape CHF 400.38 CHF 346.49 Reel CHF 333.01 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 NCA9535PW-Q100/SOT355/TSSOP24 NCA9535PW-Q100J Nexperia 1: CHF 1.30 13’009In Stock	Mfr. Part No. NCA9535PW-Q100J Mouser Part No 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 CHF 1.30 CHF 0.955 CHF 0.87 CHF 0.768 Reel CHF 0.646 View CHF 0.723 CHF 0.698 CHF 0.69 CHF 0.62 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 NCA9595PW/SOT355/TSSOP24 NCA9595PWJ Nexperia 1: CHF 1.60 4’691In Stock	Mfr. Part No. NCA9595PWJ Mouser Part No 771-NCA9595PWJ	Nexperia	Interface - I/O Expanders NCA9595PW/SOT355/TSSOP24	Datasheet	4’691In Stock	Cut Tape CHF 1.60 CHF 1.18 CHF 1.08 CHF 0.955 Reel CHF 0.813 View CHF 0.901 CHF 0.87 CHF 0.837 CHF 0.791 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 NCA9595PW-Q100/SOT355/TSSOP24 NCA9595PW-Q100J Nexperia 1: CHF 1.82 2’212In Stock	Mfr. Part No. NCA9595PW-Q100J Mouser Part No 771-NCA9595PW-Q100J	Nexperia	Interface - I/O Expanders NCA9595PW-Q100/SOT355/TSSOP24	Datasheet	2’212In Stock	Cut Tape CHF 1.82 CHF 1.35 CHF 1.23 CHF 1.10 Reel CHF 0.926 View CHF 1.04 CHF 1.01 CHF 0.964 CHF 0.901 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 NCA9555PW-Q100/SOT355/TSSOP24 NCA9555PW-Q100J Nexperia 1: CHF 1.47 2’440In Stock	Mfr. Part No. NCA9555PW-Q100J Mouser Part No 771-NCA9555PW-Q100J	Nexperia	Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 Learn More about Nexperia nca9555pw expanders	Datasheet	2’440In Stock	Cut Tape CHF 1.47 CHF 1.09 CHF 0.992 CHF 0.885 Reel CHF 0.742 View CHF 0.829 CHF 0.797 CHF 0.793 CHF 0.723 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	AEC-Q100	Reel, Cut Tape, MouseReel
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMOKI PARTPL CMS82C55AZ96 Renesas / Intersil 1: CHF 13.84 1’758In Stock	Mfr. Part No. CMS82C55AZ96 Mouser Part No 968-CMS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMOKI PARTPL	Datasheet	1’758In Stock	Cut Tape CHF 13.84 CHF 10.74 CHF 9.98 CHF 9.15 Reel CHF 8.51 View CHF 8.85 CHF 8.45 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 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DW PCA9535DWR Texas Instruments 1: CHF 2.98 9’892In Stock	Mfr. Part No. PCA9535DWR Mouser Part No 595-PCA9535DWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DW	Datasheet	9’892In Stock	Cut Tape CHF 2.98 CHF 2.25 CHF 2.07 CHF 1.86 Reel CHF 1.65 View CHF 1.76 CHF 1.75 CHF 1.72 CHF 1.62 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 Remote 16-Bit I2C & SMBus I/O Expander PCF8575CRGER Texas Instruments 1: CHF 4.67 8’287In Stock	Mfr. Part No. PCF8575CRGER Mouser Part No 595-PCF8575CRGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	8’287In Stock	Cut Tape CHF 4.67 CHF 3.56 CHF 3.29 CHF 2.97 View Reel CHF 2.48 CHF 2.83 CHF 2.73 CHF 2.71 CHF 2.48 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 Remote 16-Bit I2C & SMBus I/O Expander PCF8575DBQR Texas Instruments 1: CHF 3.74 3’827In Stock	Mfr. Part No. PCF8575DBQR Mouser Part No 595-PCF8575DBQR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	3’827In Stock	Cut Tape CHF 3.74 CHF 3.43 Reel CHF 3.43 Quote Quote 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 16 bit In/Out MCP23016T-I/ML Microchip Technology 1: CHF 1.83 1’823In Stock	Mfr. Part No. MCP23016T-I/ML Mouser Part No 579-MCP23016T-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1’823In Stock	Cut Tape CHF 1.83 CHF 1.82 Reel CHF 1.54 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 I/O PORT EXPANDR FOR NEUTRON 534 CY8C9520A-24PVXI Infineon Technologies 1: CHF 4.47 1’362In Stock	Mfr. Part No. CY8C9520A-24PVXI Mouser Part No 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	CHF 4.47 CHF 3.14 CHF 2.79 CHF 2.64 CHF 2.62	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 16B I/O Expander I2C interface MCP23018T-E/SO Microchip Technology 1: CHF 1.64 7’721In Stock	Mfr. Part No. MCP23018T-E/SO Mouser Part No 579-MCP23018T-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	7’721In Stock	Cut Tape CHF 1.64 CHF 1.36 CHF 1.31 CHF 1.21 CHF 1.20 Reel CHF 1.12 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/ML Microchip Technology 1: CHF 1.83 1’145In Stock	Mfr. Part No. MCP23016-I/ML Mouser Part No 579-MCP23016-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1’145In Stock	CHF 1.83 CHF 1.54	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 16 bit In/Out MCP23016T-I/SO Microchip Technology 1: CHF 1.71 1’740In Stock	Mfr. Part No. MCP23016T-I/SO Mouser Part No 579-MCP23016T-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1’740In Stock	Cut Tape CHF 1.71 CHF 1.69 Reel CHF 1.43 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 In/Out SPI int MCP23S08-E/P Microchip Technology 1: CHF 1.29 1’000In Stock	Mfr. Part No. MCP23S08-E/P Mouser Part No 579-MCP23S08-E/P	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	1’000In Stock	CHF 1.29 CHF 1.27 CHF 1.08 CHF 1.07	Min.: 1 Mult.: 1		Through Hole	PDIP-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 Mixed signal Expandr MCP25050-I/SL Microchip Technology 1: CHF 3.89 1’011In Stock	Mfr. Part No. MCP25050-I/SL Mouser Part No 579-MCP25050-I/SL	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	1’011In Stock	CHF 3.89 CHF 3.26	Min.: 1 Mult.: 1		SMD/SMT	SOIC-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 1-Wire 8-Channel Addressable Switch DS2408S+ Analog Devices / Maxim Integrated 1: CHF 10.07 8’326In Stock	Mfr. Part No. DS2408S+ Mouser Part No 700-DS2408S+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch	Datasheet	8’326In Stock	CHF 10.07 CHF 7.75 CHF 7.02 CHF 6.65 View CHF 6.41 CHF 6.20 CHF 6.01 Quote	Min.: 1 Mult.: 1	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
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os MAX7321ATE+T Analog Devices / Maxim Integrated 1: CHF 3.65 6’474In Stock	Mfr. Part No. MAX7321ATE+T Mouser Part No 700-MAX7321ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os	Datasheet	6’474In Stock	Cut Tape CHF 3.65 CHF 2.78 CHF 2.56 CHF 2.31 View Reel CHF 2.00 CHF 2.20 CHF 2.06 CHF 2.00 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	MAX7321	SMD/SMT	TQFN-16	I2C, Serial	8 I/O	With Interrupt	1.71 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: CHF 10.37 2’223In 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	2’223In Stock	Cut Tape CHF 10.37 CHF 8.12 CHF 7.56 CHF 6.95 View CHF 6.87 CHF 6.85 CHF 5.84 MouseReel Available	Min.: 1 Mult.: 1	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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312ATG+T Analog Devices / Maxim Integrated 1: CHF 7.62 4’339In Stock	Mfr. Part No. MAX7312ATG+T Mouser Part No 700-MAX7312ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	4’339In Stock	Cut Tape CHF 7.62 CHF 5.92 CHF 5.50 CHF 5.04 View Reel CHF 4.26 CHF 4.79 CHF 4.69 CHF 4.58 CHF 4.26 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	MAX7312	SMD/SMT	TQFN-24		16 I/O		2 V	5.5 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C MAX7315AUE+T Analog Devices / Maxim Integrated 1: CHF 5.56 4’738In Stock	Mfr. Part No. MAX7315AUE+T Mouser Part No 700-MAX7315AUET	Analog Devices / Maxim Integrated	Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C	Datasheet	4’738In Stock	Cut Tape CHF 5.56 CHF 4.29 CHF 3.96 CHF 3.60 View Reel CHF 3.17 CHF 3.48 CHF 3.47 CHF 3.46 CHF 3.17 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2’500	MAX7315	SMD/SMT	TSSOP-16				2 V	3.6 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301AAI+T Analog Devices / Maxim Integrated 1: CHF 11.15 2’019In Stock	Mfr. Part No. MAX7301AAI+T Mouser Part No 700-MAX7301AAIT	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	2’019In Stock	Cut Tape CHF 11.15 CHF 8.78 CHF 8.19 CHF 7.54 View Reel CHF 6.51 CHF 7.53 CHF 7.09 CHF 6.93 CHF 6.51 MouseReel Available	Min.: 1 Mult.: 1 : 2’000	MAX7301	SMD/SMT	SSOP-28	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 Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW PCA9518PWR Texas Instruments 1: CHF 1.45 2’128In Stock	Mfr. Part No. PCA9518PWR Mouser Part No 595-PCA9518PWR	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW	Datasheet	2’128In Stock	Cut Tape CHF 1.45 CHF 1.09 CHF 1.02 CHF 0.964 CHF 0.955 Reel CHF 0.955 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in TSSOP16 package PCA9554CPWJ NXP Semiconductors 1: CHF 1.31 3’101In Stock	Mfr. Part No. PCA9554CPWJ Mouser Part No 771-PCA9554CPWJ	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in TSSOP16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	3’101In Stock	Cut Tape CHF 1.31 CHF 0.983 CHF 0.87 CHF 0.773 View Reel CHF 0.634 CHF 0.727 CHF 0.698 CHF 0.691 CHF 0.634 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	PCA9554C	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DB PCA9534DBR Texas Instruments 1: CHF 3.59 2’835In Stock	Mfr. Part No. PCA9534DBR Mouser Part No 595-PCA9534DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DB	Datasheet	2’835In Stock	Cut Tape CHF 3.59 CHF 2.72 CHF 2.50 CHF 2.27 View Reel CHF 2.10 CHF 2.16 CHF 2.15 CHF 2.10 CHF 2.10 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