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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 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AUE+ Analog Devices / Maxim Integrated 1: $8.44 124In Stock	Mfr. Part No. MAX7310AUE+ Mouser Part No 700-MAX7310AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	124In Stock	$8.44 $6.50 $6.02 $5.48	Min.: 1 Mult.: 1 Max.: 99	MAX7310	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	With ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AAG+ Analog Devices / Maxim Integrated 1: $12.00 63In Stock	Mfr. Part No. MAX7311AAG+ Mouser Part No 700-MAX7311AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	63In Stock	$12.00 $9.40 $8.75 $8.03 View $7.67 $7.26 $7.05 Quote	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+T Analog Devices / Maxim Integrated 1: $12.88 17In Stock	Mfr. Part No. MAX7311AWG+T Mouser Part No 700-MAX7311AWGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	17In Stock	Cut Tape $12.88 $10.09 $9.39 $8.63 View $8.54 $8.53 $7.24 MouseReel Available	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SOIC-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 16-Port I/O Expander with LED Intensity MAX7313AEG+T Analog Devices / Maxim Integrated 1: $9.66 226In Stock	Mfr. Part No. MAX7313AEG+T Mouser Part No 700-MAX7313AEGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 16-Port I/O Expander with LED Intensity	Datasheet	226In Stock	Cut Tape $9.66 $7.50 $6.96 $6.36 $6.36 MouseReel Available	Min.: 1 Mult.: 1 Max.: 180	MAX7313	SMD/SMT	QSOP-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-Port I/O Expander with LED Intensity MAX7313ATG+ Analog Devices / Maxim Integrated 1: $9.60 2In Stock	Mfr. Part No. MAX7313ATG+ Mouser Part No 700-MAX7313ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 16-Port I/O Expander with LED Intensity	Datasheet	2In Stock	$9.60 $7.46 $6.93 $6.34 View $6.01 $5.89 $5.75 Quote	Min.: 1 Mult.: 1	MAX7313	SMD/SMT	TQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 18-Port GPIO with LED Intensity Control, MAX7314AEG+ Analog Devices / Maxim Integrated 1: $9.95 30In Stock	Mfr. Part No. MAX7314AEG+ Mouser Part No 700-MAX7314AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 18-Port GPIO with LED Intensity Control,	Datasheet	30In Stock	$9.95 $7.75 $6.58 $6.57 View $6.04 $5.92 $5.73 Quote	Min.: 1 Mult.: 1	MAX7314	SMD/SMT	QSOP-24	I2C, Serial	18 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C MAX7315AUE+ Analog Devices / Maxim Integrated 1: $6.80 5In Stock	Mfr. Part No. MAX7315AUE+ Mouser Part No 700-MAX7315AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C	Datasheet	5In Stock	$6.80 $5.22 $4.82 $4.37 View $4.17 $4.04 $3.99 $3.94	Min.: 1 Mult.: 1	MAX7315	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with MAX7317AEE+ Analog Devices / Maxim Integrated 1: $8.44 214In Stock 200Expected 08/10/2026	Mfr. Part No. MAX7317AEE+ Mouser Part No 700-MAX7317AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	214In Stock 200Expected 08/10/2026	$8.44 $6.50 $6.02 $5.11	Min.: 1 Mult.: 1 Max.: 171	MAX7317	SMD/SMT	QSOP-16	Serial, SPI	10 I/O	Without Interrupt	2.25 V	3.6 V	26 MHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with MAX7317ATE+ Analog Devices / Maxim Integrated 1: $6.70 200In Stock	Mfr. Part No. MAX7317ATE+ Mouser Part No 700-MAX7317ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	200In Stock	$6.70 $5.87 $5.43 $4.61	Min.: 1 Mult.: 1 Max.: 160	MAX7317	SMD/SMT	TQFN-16	Serial, SPI	10 I/O	Without Interrupt	2.25 V	3.6 V	26 MHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa MAX7318AAG+ Analog Devices / Maxim Integrated 1: $8.79 19In Stock	Mfr. Part No. MAX7318AAG+ Mouser Part No 700-MAX7318AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	19In Stock	$8.79 $6.82 $5.97 $5.72 View $5.48 $5.30 $5.13 Quote	Min.: 1 Mult.: 1	MAX7318	SMD/SMT	SSOP-24	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa MAX7318AWG+ Analog Devices / Maxim Integrated 1: $9.19 32In Stock	Mfr. Part No. MAX7318AWG+ Mouser Part No 700-MAX7318AWG+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	32In Stock	$9.19 $7.12 $6.60 $6.03 View $5.54 $5.37 $5.24 Quote	Min.: 1 Mult.: 1	MAX7318	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with Eight Inputs and MAX7319AEE+ Analog Devices / Maxim Integrated 1: $7.07 61In Stock	Mfr. Part No. MAX7319AEE+ Mouser Part No 700-MAX7319AEE+	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with Eight Inputs and	Datasheet	61In Stock	$7.07 $5.42 $5.01 $4.25 View $4.21 $4.09 $4.01 $3.93 Quote	Min.: 1 Mult.: 1	MAX7319	SMD/SMT	QSOP-16	I2C, Serial	8 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os MAX7321ATE+ Analog Devices / Maxim Integrated 1: $4.63 267In Stock	Mfr. Part No. MAX7321ATE+ Mouser Part No 700-MAX7321ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os	Datasheet	267In Stock	$4.63 $3.49 $3.21 $2.72	Min.: 1 Mult.: 1 Max.: 213	MAX7321	SMD/SMT	TQFN-16	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu MAX7322ATE+T Analog Devices / Maxim Integrated 1: $6.68 124In Stock	Mfr. Part No. MAX7322ATE+T Mouser Part No 700-MAX7322ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu	Datasheet	124In Stock	Cut Tape $6.68 $5.12 $4.74 $4.74 MouseReel Available	Min.: 1 Mult.: 1 Max.: 99	MAX7322	SMD/SMT	TQFN-16	I2C, Serial	4 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 I C Port Expander with Eight Push-Pull O MAX7324AEG+ Analog Devices / Maxim Integrated 1: $6.95 3In Stock	Mfr. Part No. MAX7324AEG+ Mouser Part No 700-MAX7324AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with Eight Push-Pull O	Datasheet	3In Stock	$6.95 $5.33 $4.52 $4.47 View $4.25 $4.02 $3.93 $3.86	Min.: 1 Mult.: 1	MAX7324	SMD/SMT	QSOP-24	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp MAX7327AATG+ Analog Devices / Maxim Integrated 1: $6.95 8In Stock	Mfr. Part No. MAX7327AATG+ Mouser Part No 700-MAX7327AATG+	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp	Datasheet	8In Stock	$6.95 $5.33 $4.92 $4.32 View $4.14 $4.00 $3.90 $3.86	Min.: 1 Mult.: 1	MAX7327	SMD/SMT	TQFN-EP-24	I2C, Serial	4 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expanders with Eight I/O Ports MAX7328AWE+ Analog Devices / Maxim Integrated 1: $6.59 94In Stock	Mfr. Part No. MAX7328AWE+ Mouser Part No 700-MAX7328AWE+	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expanders with Eight I/O Ports	Datasheet	94In Stock	$6.59 $5.05 $4.67 $4.24 View $3.92 $3.80 $3.73 $3.67 Quote	Min.: 1 Mult.: 1	MAX7328	SMD/SMT	SOIC-Wide-16	I2C, Serial	8 I/O	Without Interrupt	2.5 V	5.5 V	100 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expanders with Eight I/O Ports MAX7329AWE+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. MAX7329AWE+ Mouser Part No 700-MAX7329AWE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expanders with Eight I/O Ports	Datasheet			Restricted Availability	MAX7329	SMD/SMT	SOIC-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	5.5 V	100 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I2C I/O EXPANDER GP PCA9554PW,112 NXP Semiconductors 1: $1.82 5In Stock	Mfr. Part No. PCA9554PW,112 Mouser Part No 771-PCA9554PW112	NXP Semiconductors	Interface - I/O Expanders I2C I/O EXPANDER GP	Datasheet	5In Stock	$1.82 $1.34 $1.10 $1.05 View $1.02 $0.969 $0.953 $0.904 $0.884	Min.: 1 Mult.: 1	PCA9554	SMD/SMT	TSSOP-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 NCA6416PW/SOT355/TSSOP24 NCA6416PWJ Nexperia 1: $1.73 15In Stock 2,500Expected 23/10/2026 New Product	Mfr. Part No. NCA6416PWJ Mouser Part No 771-NCA6416PWJ New Product	Nexperia	Interface - I/O Expanders NCA6416PW/SOT355/TSSOP24 Learn More about Nexperia nca6416 io expanders	Datasheet	15In Stock 2,500Expected 23/10/2026	Cut Tape $1.73 $1.27 $1.16 $1.03 Reel $0.868 View $0.967 $0.931 $0.926 $0.848 MouseReel Available	Min.: 1 Mult.: 1 : 2,500													Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface MCP23S18T-E/MJVAO Microchip Technology 1: $2.15 11In Stock Factory Special Order	Mfr. Part No. MCP23S18T-E/MJVAO Mouser Part No 579-MCP23S18T-EMJVAO Factory Special Order	Microchip Technology	Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface	Datasheet	11In Stock	Cut Tape $2.15 View Reel $1.77 $2.12 $1.77	Min.: 1 Mult.: 1 : 3,300		SMD/SMT	QFN-24	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape	Without ESD Protection
Interface - I/O Expanders Remote 8-Bit I2C and SMBus LP I/O Exp PCA9557RGVR Texas Instruments 1: $2.02 25,000On Order	Mfr. Part No. PCA9557RGVR Mouser Part No 595-PCA9557RGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and SMBus LP I/O Exp Learn More about Texas Instruments ti pca95xx	Datasheet	25,000On Order On Order Ship Dates Mfr. No: PCA9557RGVR Stock: 0 On Order: 2,500 Expected 10/12/2026 2,500 Expected 21/12/2026 10,000 Expected 25/12/2026 10,000 Expected 21/01/2027 Factory Lead Time: 9 Weeks	Cut Tape $2.02 $1.49 $1.36 $1.19 Reel $0.993 View $1.12 $1.08 $1.06 $0.966 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9557	SMD/SMT	VQFN-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 Remote 8B I2C & Lo- Pwr I/O Expander PCA9534RGVR Texas Instruments 1: $1.99 131In Stock 27,500On Order	Mfr. Part No. PCA9534RGVR Mouser Part No 595-PCA9534RGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	131In Stock 27,500On Order On Order Ship Dates Mfr. No: PCA9534RGVR Stock: 131 Can Dispatch Immediately On Order: 5,000 Expected 25/01/2027 15,000 Expected 08/03/2027 7,500 Expected 02/04/2027 Factory Lead Time: 16 Weeks	Cut Tape $1.99 $1.59 $1.45 $1.29 Reel $1.09 View $1.22 $1.18 $1.13 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534	SMD/SMT	VQFN-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 8bit I/O Expndr A 59 5-PCF8574DW A 595-P A 595-PCF8574DW PCF8574DWR Texas Instruments 1: $2.05 14,806Expected 26/11/2026	Mfr. Part No. PCF8574DWR Mouser Part No 595-PCF8574DWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574DW A 595-P A 595-PCF8574DW	Datasheet	14,806Expected 26/11/2026	Cut Tape $2.05 $1.52 $1.38 $1.23 Reel $1.05 View $1.16 $1.12 $1.10 $1.02 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	SOIC-16	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 Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408ARSVR Texas Instruments 1: $0.90 99,798On Order	Mfr. Part No. TCA6408ARSVR Mouser Part No 595-TCA6408ARSVR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	99,798On Order On Order Ship Dates Mfr. No: TCA6408ARSVR Stock: 0 On Order: 9,798 Expected 03/12/2026 39,000 Expected 10/12/2026 39,000 Expected 17/12/2026 12,000 Expected 07/01/2027 Factory Lead Time: 16 Weeks	Cut Tape $0.90 $0.65 $0.586 $0.515 Reel $0.423 View $0.481 $0.461 $0.446 $0.412 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6408A	SMD/SMT	UQFN-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