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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 In/Out SPI int MCP23S08T-E/SO Microchip Technology 1: ¥255.8 10,060In Stock	Mfr. Part # MCP23S08T-E/SO Mouser Part # 579-MCP23S08T-E/SO	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	10,060In Stock	Cut Tape ¥255.8 ¥252.5 Reel ¥210.9 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	Without ESD Protection
Interface - I/O Expanders NCA9555BY-Q100/SOT8041/HWQFN24 NCA9555BY-Q100HP Nexperia 1: ¥308.9 3,103In Stock	Mfr. Part # NCA9555BY-Q100HP Mouser Part # 771-NCA9555BY-Q100HP	Nexperia	Interface - I/O Expanders NCA9555BY-Q100/SOT8041/HWQFN24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	3,103In Stock	Cut Tape ¥308.9 ¥227.6 ¥206 ¥184.4 Reel ¥153 View ¥172.7 ¥165.9 ¥165.3 ¥146.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	HWQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	100 kHz, 400 kHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Interface - I/O Expanders NCA9555PW/SOT355/TSSOP24 NCA9555PWJ Nexperia 1: ¥269.1 2,730In Stock	Mfr. Part # NCA9555PWJ Mouser Part # 771-NCA9555PWJ	Nexperia	Interface - I/O Expanders NCA9555PW/SOT355/TSSOP24 Learn More about Nexperia nca9555pw expanders	Datasheet	2,730In Stock	Cut Tape ¥269.1 ¥201 ¥182.7 ¥161.9 Reel ¥133.2 View ¥152.3 ¥146.3 ¥142.3 ¥130.2 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		Reel, Cut Tape, MouseReel
Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 NCA9555PW-Q100J Nexperia 1: ¥310.6 2,444In Stock	Mfr. Part # NCA9555PW-Q100J Mouser Part # 771-NCA9555PW-Q100J	Nexperia	Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 Learn More about Nexperia nca9555pw expanders	Datasheet	2,444In Stock	Cut Tape ¥310.6 ¥224.2 ¥204.3 ¥182.7 Reel ¥153.1 View ¥171.1 ¥164.3 ¥163.6 ¥149.2 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 8-bit I/O Expander I2C interface MCP23009-E/SS Microchip Technology 1: ¥252.5 837In Stock 2,546Expected 11/16/2026	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 11/16/2026	¥252.5 ¥210.9 ¥191	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 NCA9535PW/SOT355/TSSOP24 NCA9535PWJ Nexperia 1: ¥235.9 2,614In Stock	Mfr. Part # NCA9535PWJ Mouser Part # 771-NCA9535PWJ	Nexperia	Interface - I/O Expanders NCA9535PW/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	2,614In Stock	Cut Tape ¥235.9 ¥171.1 ¥153.6 ¥135.9 Reel ¥111.6 View ¥127.2 ¥122.1 ¥116.8 ¥108.6 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		Reel, Cut Tape, MouseReel
Interface - I/O Expanders SDIO Port Expander TXS02612RTWR Texas Instruments 1: ¥308.9 11,534In Stock 27,000On Order	Mfr. Part # TXS02612RTWR Mouser Part # 595-TXS02612RTWR	Texas Instruments	Interface - I/O Expanders SDIO Port Expander	Datasheet	11,534In Stock 27,000On Order On Order Ship Dates Mfr. #: TXS02612RTWR Stock: 11,534 Can Ship Immediately On Order: 3,000 Expected 12/21/2026 3,000 Expected 1/21/2027 21,000 Expected 5/13/2027 Factory Lead-Time: 20 Weeks	Cut Tape ¥308.9 ¥227.6 ¥207.6 ¥182.7 Reel ¥153.3 View ¥172.7 ¥165.4 ¥164.6 ¥150 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TXS02612	SMD/SMT	WQFN-24	Parallel	4 I/O	Without Interrupt	1.1 V	3.6 V	60 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders In/Out I2C int MCP23008-E/P Microchip Technology 1: ¥255.8 2,955In Stock	Mfr. Part # MCP23008-E/P Mouser Part # 579-MCP23008-E/P	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	2,955In Stock	¥255.8 ¥212.6 ¥210.9	Min.: 1 Mult.: 1		Through Hole	PDIP-18	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders NCA9539BY/SOT8041/HWQFN24 NCA9539BYHP Nexperia 1: ¥297.3 350In Stock	Mfr. Part # NCA9539BYHP Mouser Part # 771-NCA9539BYHP	Nexperia	Interface - I/O Expanders NCA9539BY/SOT8041/HWQFN24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	350In Stock	Cut Tape ¥297.3 ¥217.6 ¥197.7 ¥176.1 Reel ¥143.3 View ¥164.9 ¥158.8 ¥158 ¥140	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	HWQFN-24										Reel, Cut Tape
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND IS82C55AZ Renesas / Intersil 1: ¥6,898.1 641In Stock	Mfr. Part # IS82C55AZ Mouser Part # 968-IS82C55AZ	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND	Datasheet	641In Stock	¥6,898.1 ¥5,693.9 ¥5,351.7 ¥5,041.1 View ¥4,727.2 Quote	Min.: 1 Mult.: 1	82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	With Interrupt	4.5 V	5.5 V	8 MHz	- 40 C	+ 85 C		Tube	1 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416ALEX Diodes Incorporated 1: ¥325.6 1,584In Stock	Mfr. Part # PI4IOE5V6416ALEX Mouser Part # 621-PI4IOE5V6416ALEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		1,584In Stock	Cut Tape ¥325.6 ¥239.2 ¥210.9 ¥192.7 View Reel ¥161.4 ¥187.7 ¥184.4 ¥182.7 ¥161.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24	I2C, Serial	16 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 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300AAX+ Analog Devices / Maxim Integrated 1: ¥3,576.1 524In Stock	Mfr. Part # MAX7300AAX+ Mouser Part # 700-MAX7300AAX	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	524In Stock	¥3,576.1 ¥2,840.3 ¥2,719.1 ¥2,509.8 View ¥2,393.5 ¥2,350.3	Min.: 1 Mult.: 1	MAX7300	SMD/SMT	SSOP-36	I2C, Serial	20 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander TCA9534PWR Texas Instruments 1: ¥287.4 19,560In Stock	Mfr. Part # TCA9534PWR Mouser Part # 595-TCA9534PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander	Datasheet	19,560In Stock	Cut Tape ¥287.4 ¥210.9 ¥192.7 ¥171.1 Reel ¥143.7 View ¥160.1 ¥154.1 ¥153.3 ¥140.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9534	SMD/SMT	TSSOP-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 NCA9555BY/SOT8041/HWQFN24 NCA9555BYHP Nexperia 1: ¥264.1 2,828In Stock	Mfr. Part # NCA9555BYHP Mouser Part # 771-NCA9555BYHP	Nexperia	Interface - I/O Expanders NCA9555BY/SOT8041/HWQFN24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	2,828In Stock	Cut Tape ¥264.1 ¥194.3 ¥176.1 ¥156 Reel ¥130.6 View ¥146.7 ¥141 ¥139.9 ¥127.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	HWQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	100 kHz, 400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18-E/MJ Microchip Technology 1: ¥357.1 3,023In Stock	Mfr. Part # MCP23S18-E/MJ Mouser Part # 579-MCP23S18-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	3,023In Stock	¥357.1 ¥299 ¥270.7	Min.: 1 Mult.: 1		SMD/SMT	QFN-24	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 16-bit translating I C-bus/SMBus I/O exp TCAL6416RADTOR Texas Instruments 1: ¥450.1 3,602In Stock New Product	Mfr. Part # TCAL6416RADTOR Mouser Part # 595-TCAL6416RADTOR New Product	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416r i2c bus smbus io expander	Datasheet	3,602In Stock	Cut Tape ¥450.1 ¥335.5 ¥307.3 ¥275.7 Reel ¥232.5 View ¥260.8 ¥254.1 ¥247.5 ¥229.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6416R	SMD/SMT	QFN-24	I2C	16 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16B I/O Expander I2C interface MCP23018-E/MJ Microchip Technology 1: ¥338.8 2,839In Stock	Mfr. Part # MCP23018-E/MJ Mouser Part # 579-MCP23018-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	2,839In Stock	¥338.8 ¥280.7 ¥255.8	Min.: 1 Mult.: 1		SMD/SMT	QFN-24	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 ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538RSVR Texas Instruments 1: ¥318.9 3,420In Stock 9,000Expected 3/29/2027	Mfr. Part # TCAL9538RSVR Mouser Part # 595-TCAL9538RSVR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	3,420In Stock 9,000Expected 3/29/2027	Cut Tape ¥318.9 ¥235.9 ¥214.3 ¥191 Reel ¥160.5 View ¥179.4 ¥172.7 ¥157.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL9538	SMD/SMT	UQFN-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package PCA9698DGG,518 NXP Semiconductors 1: ¥1,591.2 5,359In Stock 12,000Expected 12/29/2026	Mfr. Part # PCA9698DGG,518 Mouser Part # 771-PCA9698DGG-T	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package	Datasheet	5,359In Stock 12,000Expected 12/29/2026	Cut Tape ¥1,591.2 ¥1,237.4 ¥1,149.4 ¥1,053.1 ¥1,031.5 Reel ¥875.3 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9698	SMD/SMT	TSSOP-56	I2C, Serial	40 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander TCA9555PWR Texas Instruments 1: ¥325.6 17,942In Stock	Mfr. Part # TCA9555PWR Mouser Part # 595-TCA9555PWR	Texas Instruments	Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander Learn More about Texas Instruments ti tca9555 io expander	Datasheet	17,942In Stock	Cut Tape ¥325.6 ¥237.5 ¥215.9 ¥192.7 Reel ¥163.3 View ¥181 ¥174.4 ¥172.7 ¥159.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9555	SMD/SMT	TSSOP-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 16B I/O Expander SPI interface MCP23S18T-E/MJ Microchip Technology 1: ¥357.1 2,405In Stock 9,900Expected 1/1/2027	Mfr. Part # MCP23S18T-E/MJ Mouser Part # 579-MCP23S18T-E/MJ	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	2,405In Stock 9,900Expected 1/1/2027	Cut Tape ¥357.1 ¥299 Reel ¥270.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	MCP23S18	SMD/SMT	QFN-24	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 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 A 595-PCA9535DWR PCA9535DW Texas Instruments 1: ¥883.7 514In Stock	Mfr. Part # PCA9535DW Mouser Part # 595-PCA9535DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR	Datasheet	514In Stock	¥883.7 ¥692.6 ¥588 ¥561.4 View ¥533.2 ¥521.6 ¥518.2 ¥516.6 Quote	Min.: 1 Mult.: 1	PCA9535	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 Ultra low-power 16 Mbit Serial SPI Page EEPROM M95P16-IXCST/EF STMicroelectronics 1: ¥259.1 2,232In Stock	Mfr. Part # M95P16-IXCST/EF Mouser Part # 511-M95P16-IXCST/EF	STMicroelectronics	Interface - I/O Expanders Ultra low-power 16 Mbit Serial SPI Page EEPROM Learn More about STMicroelectronics stm m95p16 eeprom	Datasheet	2,232In Stock	Cut Tape ¥259.1 ¥230.9 ¥214.3 ¥199.3 View Reel ¥167.8 ¥191 ¥184.4 ¥182.7 ¥174.4 ¥167.8 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	M95P16	SMD/SMT	WLCSP-8										Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09T-E/SO Microchip Technology 1: ¥282.4 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 ¥282.4 ¥237.5 Reel ¥214.3 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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AUG+T Analog Devices / Maxim Integrated 1: ¥2,139.4 2,325In Stock	Mfr. Part # MAX7311AUG+T Mouser Part # 700-MAX7311AUGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	2,325In Stock	Cut Tape ¥2,139.4 ¥1,675.9 ¥1,559.7 ¥1,433.4 View ¥1,418.5 ¥1,413.5 ¥1,202.6 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