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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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312ATG+T Analog Devices / Maxim Integrated 1: ¥1,573 4,839In Stock	Mfr. Part # MAX7312ATG+T Mouser Part # 700-MAX7312ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	4,839In Stock	Cut Tape ¥1,573 ¥1,222.5 ¥1,136.1 ¥1,039.8 View Reel ¥878.7 ¥988.3 ¥968.4 ¥945.1 ¥878.7 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,871 : 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 16-bit I2C and SMBus Port PI4IOE5V9535ZDEX Diodes Incorporated 1: ¥252.5 19,507In 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	19,507In Stock	Cut Tape ¥252.5 ¥184.4 ¥167.8 ¥148.3 ¥139.4 Reel ¥139.4 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 Mixed signal Expandr MCP25050-I/P Microchip Technology 1: ¥837.1 239In Stock	Mfr. Part # MCP25050-I/P Mouser Part # 579-MCP25050-I/P	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	239In Stock	¥837.1 ¥697.6 ¥689.3 ¥681 View ¥677.7 ¥674.4	Min.: 1 Mult.: 1		Through Hole	PDIP-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 Mixed signal 1 Wire MCP25055-I/P Microchip Technology 1: ¥988.3 80In Stock	Mfr. Part # MCP25055-I/P Mouser Part # 579-MCP25055-I/P	Microchip Technology	Interface - I/O Expanders Mixed signal 1 Wire	Datasheet	80In Stock	¥988.3 ¥822.2 ¥817.2	Min.: 1 Mult.: 1		Through Hole	PDIP-14	CAN	8 I/O	Without Interrupt	2.7 V	5.5 V	25 MHz	- 40 C	+ 85 C		Tube	3.5 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp PCA9557DGVR Texas Instruments 1: ¥544.8 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 ¥544.8 ¥406.9 ¥373.7 ¥335.5 View Reel ¥274.1 ¥317.3 ¥310.6 ¥295.7 ¥274.1 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 Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW PCA9518PWR Texas Instruments 1: ¥415.3 2,124In 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	2,124In Stock	Cut Tape ¥415.3 ¥210.9 ¥196 ¥191 Reel ¥189.4 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 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DR PCA9536DRG4 Texas Instruments 1: ¥262.4 2,829In 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	2,829In Stock	Cut Tape ¥262.4 ¥191 ¥174.4 ¥153.5 Reel ¥111.8 View ¥144.2 ¥138.5 ¥136.9 ¥108.8 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 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DBQR Texas Instruments 1: ¥705.9 2,536In 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	2,536In Stock	Cut Tape ¥705.9 ¥533.2 ¥490 ¥441.8 View Reel ¥363.8 ¥418.6 ¥415.3 ¥390.3 ¥363.8 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 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300AAI+ Analog Devices / Maxim Integrated 1: ¥1,358.7 801In Stock	Mfr. Part # MAX7300AAI+ Mouser Part # 700-MAX7300AAI	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	801In Stock	¥1,358.7 ¥1,328.8 ¥1,298.9 ¥1,274 View ¥1,254.1 ¥1,235.8	Min.: 1 Mult.: 1 Max.: 640	MAX7300	SMD/SMT	SSOP-28	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 Digital 1 Wire capab MCP25025-I/SL Microchip Technology 1: ¥687.7 104In Stock	Mfr. Part # MCP25025-I/SL Mouser Part # 579-MCP25025-I/SL	Microchip Technology	Interface - I/O Expanders Digital 1 Wire capab	Datasheet	104In Stock	¥687.7 ¥574.7 ¥569.7	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	2.7 V	5.5 V	4 MHz	- 65 C	+ 150 C		Tube	3.5 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: ¥274.1 3,210In Stock	Mfr. Part # PCA9554CPWJ Mouser Part # 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	3,210In Stock	Cut Tape ¥274.1 ¥202.6 ¥182.7 ¥161.8 Reel ¥132.9 View ¥152.1 ¥146.3 ¥145 ¥132 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 16-bit I2C-bus I/O Expander with Reset and Quasi feature in HVQFN24 package PCA9671BS,118 NXP Semiconductors 1: ¥509.9 4,384In Stock	Mfr. Part # PCA9671BS,118 Mouser Part # 771-PCA9671BS118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Reset and Quasi feature in HVQFN24 package	Datasheet	4,384In Stock	Cut Tape ¥509.9 ¥382 ¥350.5 ¥315.6 View Reel ¥260.8 ¥297.3 ¥292.3 ¥279 ¥270.7 ¥260.8 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9671	SMD/SMT	HVQFN-24	I2C, Serial	16 I/O	Without Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders SERIAL REGISTER CHIP EXTENSION INTERBUS 2746595 Phoenix Contact 1: ¥6,644 66In Stock	Mfr. Part # 2746595 Mouser Part # 651-2746595	Phoenix Contact	Interface - I/O Expanders SERIAL REGISTER CHIP EXTENSION INTERBUS	Datasheet	66In Stock	¥6,644	Min.: 1 Mult.: 1		SMD/SMT	QFP-44							- 40 C	+ 85 C
Interface - I/O Expanders Expandable 5-Ch I2C Hub PCA9518DWT Texas Instruments 1: ¥840.5 245In Stock	Mfr. Part # PCA9518DWT Mouser Part # 595-PCA9518DWT	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub	Datasheet	245In Stock	Cut Tape ¥840.5 ¥641.1 ¥591.3 ¥534.8 Reel ¥516.6 View ¥506.6 ¥493.3 ¥490 MouseReel Available	Min.: 1 Mult.: 1 : 250	PCA9518	SMD/SMT	SOIC-20		5 I/O		3 V	3.6 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 and Reset, Low Power version of PCA9555 in TSSOP24 package PCA9539RPW/Q900J NXP Semiconductors 1: ¥456.8 2,043In Stock	Mfr. Part # PCA9539RPW/Q900J Mouser Part # 771-PCA9539RPW/Q900J	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset, Low Power version of PCA9555 in TSSOP24 package	Datasheet	2,043In Stock	Cut Tape ¥456.8 ¥340.5 ¥312.3 ¥279 Reel ¥235.9 View ¥264.1 ¥257.5 ¥245.8 ¥232.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9539R	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555LEX Diodes Incorporated 1: ¥224.2 3,423In Stock	Mfr. Part # PI4IOE5V9555LEX Mouser Part # 729-PI4IOE5V9555LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	3,423In Stock	Cut Tape ¥224.2 ¥160.8 ¥145.5 ¥131.7 ¥124.1 Reel ¥124.1	Min.: 1 Mult.: 1 Max.: 340 : 3,000	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape	4 kV
Interface - I/O Expanders PERIPH INT CNTRLR 5V 8MHZ 28PLCC IND IS82C59AZ Renesas / Intersil 1: ¥7,202.1 173In Stock	Mfr. Part # IS82C59AZ Mouser Part # 968-IS82C59AZ	Renesas / Intersil	Interface - I/O Expanders PERIPH INT CNTRLR 5V 8MHZ 28PLCC IND	Datasheet	173In Stock	¥7,202.1 ¥5,790.2 ¥5,355.1 ¥5,132.5 View ¥4,881.7 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 Column Keypad Scanner & GPIO Port Expand ADP5587ACPZ-1-R7 Analog Devices 1: ¥357.1 1,226In Stock	Mfr. Part # ADP5587ACPZ-1-R7 Mouser Part # 584-ADP5587ACPZ-1-R7	Analog Devices	Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand	Datasheet	1,226In Stock	Cut Tape ¥357.1 ¥348.8 ¥342.2 ¥335.5 View ¥330.5 ¥325.6 ¥325.6 MouseReel Available	Min.: 1 Mult.: 1 Max.: 980	ADP5587	SMD/SMT	LFCSP-24	I2C, Serial	18 I/O	With Interrupt	1.65 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity MAX7313ATG+T Analog Devices / Maxim Integrated 1: ¥1,591.2 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 ¥1,591.2 ¥1,237.4 ¥1,149.4 ¥1,053.1 View Reel ¥870.4 ¥1,013.2 ¥870.4 Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 18,529 : 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 Lo Vltg 24B I2C & SM Bus I/O Expander TCA6424RGJR Texas Instruments 1: ¥1,044.8 2,280In Stock	Mfr. Part # TCA6424RGJR Mouser Part # 595-TCA6424RGJR	Texas Instruments	Interface - I/O Expanders Lo Vltg 24B I2C & SM Bus I/O Expander	Datasheet	2,280In Stock	Cut Tape ¥1,044.8 ¥800.6 ¥740.8 ¥672.7 View Reel ¥601.3 ¥641.1 ¥622.9 ¥614.6 ¥601.3 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6424	SMD/SMT	UQFN-32	I2C, Serial, SMBus	24 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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312AWG+ Analog Devices / Maxim Integrated 1: ¥1,549.7 360In Stock	Mfr. Part # MAX7312AWG+ Mouser Part # 700-MAX7312AWG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	360In Stock	¥1,549.7 ¥1,200.9 ¥1,114.5 ¥1,016.5 ¥970	Min.: 1 Mult.: 1 Max.: 288	MAX7312	SMD/SMT	SOIC-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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package PCA9554PW/Q900,118 NXP Semiconductors 1: ¥521.6 3,309In Stock	Mfr. Part # PCA9554PW/Q900,118 Mouser Part # 771-PCA9554PWQ900118	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package	Datasheet	3,309In Stock	Cut Tape ¥521.6 ¥390.3 ¥358.8 ¥322.2 Reel ¥275.7 View ¥305.6 ¥300.6 ¥285.7 ¥269.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander KTS1620ERG-TR Kinetic Technologies 1: ¥443.5 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 ¥443.5 ¥328.9 ¥300.6 ¥269.1 Reel ¥234.2 View ¥254.1 ¥245.8 ¥230.9 ¥224.2 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 10 GPIO/Key Controller-No Pullup ADP5585ACPZ-03-R7 Analog Devices 1: ¥269.1 1,477In Stock	Mfr. Part # ADP5585ACPZ-03-R7 Mouser Part # 584-ADP5585ACPZ-03R7	Analog Devices	Interface - I/O Expanders 10 GPIO/Key Controller-No Pullup	Datasheet	1,477In Stock	Cut Tape ¥269.1 ¥262.4 ¥257.5 ¥252.5 View ¥247.5 ¥244.2 ¥240.8 ¥240.8 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,181	ADP5585	SMD/SMT	LFCSP-16	I2C, Serial	10 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 11 GPIO/Key Controller ADP5585ACPZ-01-R7 Analog Devices 1: ¥269.1 1,658In Stock	Mfr. Part # ADP5585ACPZ-01-R7 Mouser Part # 584-ADP5585ACPZ-01R7	Analog Devices	Interface - I/O Expanders 11 GPIO/Key Controller	Datasheet	1,658In Stock	Cut Tape ¥269.1 ¥262.4 ¥257.5 ¥252.5 View Reel ¥240.8 ¥247.5 ¥244.2 ¥240.8 ¥240.8 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,326 : 1,500	ADP5585	SMD/SMT	LFCSP-16	I2C, Serial	10 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	Without ESD Protection