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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address than PCA9554C in HVQFN16 package PCA9554BBSHP NXP Semiconductors 1: ₩2,605.2 11,940In Stock 60,000On Order	Mfr. Part # PCA9554BBSHP Mouser Part # 771-PCA9554BBSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address than PCA9554C in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	11,940In Stock 60,000On Order On Order Ship Dates Mfr. #: PCA9554BBSHP Stock: 11,940 Can Ship Immediately On Order: 6,000 Expected 12/21/2026 18,000 Expected 5/3/2027 36,000 Expected 5/10/2027 Factory Lead-Time: 30 Weeks	Cut Tape ₩2,605.2 ₩1,903.2 ₩1,731.6 ₩1,536.6 View Reel ₩1,255.8 ₩1,443 ₩1,386.8 ₩1,369.7 ₩1,283.9 ₩1,255.8 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9554B	SMD/SMT	HVQFN-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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in HVQFN16 package PCA9554CBSHP NXP Semiconductors 1: ₩2,605.2 4,769In Stock 6,000Expected 5/10/2027	Mfr. Part # PCA9554CBSHP Mouser Part # 771-PCA9554CBSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	4,769In Stock 6,000Expected 5/10/2027	Cut Tape ₩2,605.2 ₩1,903.2 ₩1,731.6 ₩1,536.6 View Reel ₩1,255.8 ₩1,443 ₩1,386.8 ₩1,369.7 ₩1,283.9 ₩1,255.8 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9554C	SMD/SMT	HVQFN-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 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package PCA9555BS,118 NXP Semiconductors 1: ₩3,634.8 9,175In Stock 18,000Expected 1/26/2027	Mfr. Part # PCA9555BS,118 Mouser Part # 771-PCA9555BS-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	9,175In Stock 18,000Expected 1/26/2027	Cut Tape ₩3,634.8 ₩2,854.8 ₩2,652 ₩2,480.4 View Reel ₩2,184 ₩2,371.2 ₩2,340 ₩2,277.6 ₩2,184 ₩2,184 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9555	SMD/SMT	HVQFN-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-bus/SMBus I/O Expander with Interrupt in SO24 package PCA9555D,118 NXP Semiconductors 1: ₩4,555.2 2,193In Stock 7,000On Order	Mfr. Part # PCA9555D,118 Mouser Part # 771-PCA9555D-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	2,193In Stock 7,000On Order	Cut Tape ₩4,555.2 ₩3,400.8 ₩3,120 ₩2,808 Reel ₩2,449.2 View ₩2,652 ₩2,605.2 ₩2,386.8 ₩2,262 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	PCA9555	SMD/SMT	SO-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-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package PCAL6416AEVJ NXP Semiconductors 1: ₩2,558.4 7,214In Stock	Mfr. Part # PCAL6416AEVJ Mouser Part # 771-PCAL6416AEVJ	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	7,214In Stock	Cut Tape ₩2,558.4 ₩1,887.6 ₩1,716 ₩1,514.8 View Reel ₩1,246.4 ₩1,424.3 ₩1,369.7 ₩1,358.8 ₩1,312 ₩1,246.4 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCAL6416A	SMD/SMT	VFBGA-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 34-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA42 package PCAL6534EVJ NXP Semiconductors 1: ₩6,146.4 4,015In Stock	Mfr. Part # PCAL6534EVJ Mouser Part # 771-PCAL6534EVJ	NXP Semiconductors	Interface - I/O Expanders 34-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA42 package Learn More about NXP Semiconductors nxp pcal6534 gpio expander	Datasheet	4,015In Stock	Cut Tape ₩6,146.4 ₩4,648.8 ₩4,274.4 ₩3,853.2 View Reel ₩3,322.8 ₩3,650.4 ₩3,634.8 ₩3,510 ₩3,463.2 ₩3,322.8 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	PCAL6534	SMD/SMT	VFBGA-42	I2C, Serial, SMBus	34 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in TSSOP24 package PCAL9535APW,118 NXP Semiconductors 1: ₩3,837.6 7,159In Stock 7,500Expected 10/29/2026	Mfr. Part # PCAL9535APW,118 Mouser Part # 771-PCAL9535APW,118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	7,159In Stock 7,500Expected 10/29/2026	Cut Tape ₩3,837.6 ₩2,839.2 ₩2,730 ₩2,449.2 Reel ₩2,090.4 View ₩2,308.8 ₩2,230.8 ₩2,137.2 ₩2,043.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCAL9535A	SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	100 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, Reset and Agile I/O in TSSOP24 package PCAL9539APW,118 NXP Semiconductors 1: ₩3,915.6 7,429In Stock	Mfr. Part # PCAL9539APW,118 Mouser Part # 771-PCAL9539APW118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	7,429In Stock	Cut Tape ₩3,915.6 ₩2,917.2 ₩2,667.6 ₩2,433.6 Reel ₩2,121.6 View ₩2,293.2 ₩2,246.4 ₩2,074.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCAL9539A	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	100 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 and Agile I/O in TSSOP24 package PCAL9555APW,118 NXP Semiconductors 1: ₩3,151.2 4,530In Stock	Mfr. Part # PCAL9555APW,118 Mouser Part # 771-PCAL9555APW118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Agile I/O in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	4,530In Stock	Cut Tape ₩3,151.2 ₩2,324.4 ₩2,106 ₩1,872 View Reel ₩1,575.6 ₩1,762.8 ₩1,700.4 ₩1,575.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCAL9555A	SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC CS82C55A-5Z Renesas / Intersil 1: ₩26,488.8 190In Stock 1,040Expected 12/15/2026	Mfr. Part # CS82C55A-5Z Mouser Part # 968-CS82C55A-5Z	Renesas / Intersil	Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC	Datasheet	190In Stock 1,040Expected 12/15/2026	₩26,488.8 ₩20,607.6 ₩19,156.8 ₩17,581.2 View ₩17,144.4 ₩16,364.4 ₩16,130.4 Quote	Min.: 1 Mult.: 1	82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	With Interrupt	4.5 V	5.5 V	8 MHz	0 C	+ 70 C	Tube	Without ESD Protection
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC INDEL IS82C55AZ96 Renesas / Intersil 1: ₩66,456 461In Stock	Mfr. Part # IS82C55AZ96 Mouser Part # 968-IS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC INDEL	Datasheet	461In Stock	Cut Tape ₩66,456 ₩53,476.8 ₩50,263.2 ₩47,517.6 View Reel ₩44,616 ₩45,692.4 ₩44,616 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	With Interrupt	4.5 V	5.5 V	8 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	1 kV
Interface - I/O Expanders W/ANNEAL PERIPH INT CNTRLR 5V 12 5MHZ IS82C59A-12Z Renesas / Intersil 1: ₩101,618.4 45In Stock 185Expected 3/9/2027	Mfr. Part # IS82C59A-12Z Mouser Part # 968-IS82C59A-12Z	Renesas / Intersil	Interface - I/O Expanders W/ANNEAL PERIPH INT CNTRLR 5V 12 5MHZ	Datasheet	45In Stock 185Expected 3/9/2027	₩101,618.4 ₩83,163.6 ₩77,812.8 ₩75,472.8 View Quote	Min.: 1 Mult.: 1	82C59A	SMD/SMT	PLCC-28	Parallel		With Interrupt	4.5 V	5.5 V	8 MHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders 8-bit I/O Expander I2C interface MCP23009-E/P Microchip Technology 1: ₩2,480.4 277In Stock	Mfr. Part # MCP23009-E/P Mouser Part # 579-MCP23009-E/P	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	277In Stock	₩2,480.4 ₩2,059.2 ₩1,903.2	Min.: 1 Mult.: 1		Through Hole	PDIP-18	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 8-bit I/O Expander I2C interface MCP23009-E/SO Microchip Technology 1: ₩2,371.2 315In Stock	Mfr. Part # MCP23009-E/SO Mouser Part # 579-MCP23009-E/SO	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	315In Stock	₩2,371.2 ₩1,981.2 ₩1,794	Min.: 1 Mult.: 1		SMD/SMT	SOIC-18	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 8-bit I/O Expander I2C interface MCP23009-E/SS Microchip Technology 1: ₩2,371.2 837In Stock 2,546Expected 12/7/2026	Mfr. Part # MCP23009-E/SS Mouser Part # 579-MCP23009-E/SS	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander I2C interface	Datasheet	837In Stock 2,546Expected 12/7/2026	₩2,371.2 ₩1,981.2 ₩1,794	Min.: 1 Mult.: 1		SMD/SMT	SSOP-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SO Microchip Technology 1: ₩3,322.8 564In Stock	Mfr. Part # MCP23016-I/SO Mouser Part # 579-MCP23016-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	564In Stock	₩3,322.8 ₩2,776.8 ₩2,745.6	Min.: 1 Mult.: 1		SMD/SMT	SOIC-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 MCP23016-I/SP Microchip Technology 1: ₩3,494.4 491In Stock	Mfr. Part # MCP23016-I/SP Mouser Part # 579-MCP23016-I/SP	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	491In Stock	₩3,494.4 ₩2,901.6 ₩2,886	Min.: 1 Mult.: 1		Through Hole	SPDIP-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 16B I/O Expander I2C interface MCP23018-E/SO Microchip Technology 1: ₩3,182.4 551In Stock	Mfr. Part # MCP23018-E/SO Mouser Part # 579-MCP23018-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	551In Stock	₩3,182.4 ₩2,636.4 ₩2,402.4	Min.: 1 Mult.: 1		SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 16B I/O Expander I2C interface MCP23018-E/SP Microchip Technology 1: ₩3,322.8 383In Stock	Mfr. Part # MCP23018-E/SP Mouser Part # 579-MCP23018-E/SP	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	383In Stock	₩3,322.8 ₩2,776.8 ₩2,511.6	Min.: 1 Mult.: 1		Through Hole	SPDIP-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09-E/P Microchip Technology 1: ₩2,636.4 211In Stock	Mfr. Part # MCP23S09-E/P Mouser Part # 579-MCP23S09-E/P	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	211In Stock	₩2,636.4 ₩2,184 ₩1,996.8	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	4 kV
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09-E/SO Microchip Technology 1: ₩2,527.2 283In Stock 294Expected 10/29/2026	Mfr. Part # MCP23S09-E/SO Mouser Part # 579-MCP23S09-E/SO	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	283In Stock 294Expected 10/29/2026	₩2,527.2 ₩2,106 ₩1,934.4	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	4 kV
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09T-E/SO Microchip Technology 1: ₩2,652 1,086In Stock	Mfr. Part # MCP23S09T-E/SO Mouser Part # 579-MCP23S09T-E/SO	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	1,086In Stock	Cut Tape ₩2,652 ₩2,230.8 Reel ₩2,012.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,100		SMD/SMT	SOIC-18	Serial, SPI	8 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 16B I/O Expander SPI interface MCP23S18-E/SO Microchip Technology 1: ₩3,354 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	₩3,354 ₩2,808 ₩2,542.8	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: ₩3,525.6 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	₩3,525.6 ₩2,932.8 ₩2,652	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: ₩5,943.6 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	₩5,943.6 ₩4,960.8 ₩4,929.6	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