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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	Packaging	ESD Protection
Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion ADP5589ACPZ-00-R7 Analog Devices 1: ¥619.6 4,338In Stock	Mfr. Part # ADP5589ACPZ-00-R7 Mouser Part # 584-ADP5589ACPZ-00R7	Analog Devices	Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion	Datasheet	4,338In Stock	Cut Tape ¥619.6 ¥468.4 ¥428.5 ¥387 Reel ¥330.5 View ¥365.4 ¥362.1 ¥340.5 ¥325.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	ADP5589	SMD/SMT	LFCSP-24	I2C, Serial	19 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DGKR PCA9536DGKRG4 Texas Instruments 1: ¥262.4 2,327In Stock 2,500Expected 11/19/2026	Mfr. Part # PCA9536DGKRG4 Mouser Part # 595-PCA9536DGKRG4	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DGKR	Datasheet	2,327In Stock 2,500Expected 11/19/2026	Cut Tape ¥262.4 ¥191 ¥174.4 ¥153.5 Reel ¥117.3 View ¥144.2 ¥138.5 ¥136.9 ¥114.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9536	SMD/SMT	VSSOP-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 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300ATL+T Analog Devices / Maxim Integrated 1: ¥3,089.5 1,131In Stock	Mfr. Part # MAX7300ATL+T Mouser Part # 700-MAX7300ATL+T	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	1,131In Stock	Cut Tape ¥3,089.5 ¥2,455 ¥2,297.2 ¥2,124.4 View ¥2,029.7 ¥2,008.1 ¥2,006.5 ¥1,901.8 MouseReel Available	Min.: 1 Mult.: 1	MAX7300	SMD/SMT	TQFN-40	I2C, Serial	20 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 Remote 16-Bit I2C & SMBus I/O Expander PCF8575RGER Texas Instruments 1: ¥504.9 3,556In Stock	Mfr. Part # PCF8575RGER Mouser Part # 595-PCF8575RGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	3,556In Stock	Cut Tape ¥504.9 ¥382 ¥352.1 ¥317.3 Reel ¥280.7 View ¥300.6 ¥295.7 ¥290.7 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8575	SMD/SMT	VQFN-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 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536BDTMR Texas Instruments 1: ¥295.7 5,737In Stock	Mfr. Part # TCA9536BDTMR Mouser Part # 595-TCA9536BDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,737In Stock	Cut Tape ¥295.7 ¥217.6 ¥197.7 ¥176.1 View Reel ¥142.7 ¥164.9 ¥158.8 ¥158.1 ¥152.8 ¥142.7 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM CY8C9540A-24PVXI Infineon Technologies 1: ¥2,139.4 107In Stock	Mfr. Part # CY8C9540A-24PVXI Mouser Part # 727-CY8C9540A-24PVXI	Infineon Technologies	Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM Learn More about Infineon Technologies cypress psoc	Datasheet	107In Stock	¥2,139.4 ¥1,787.2 ¥1,506.5 ¥1,307.2 View ¥1,229.1 ¥1,199.2	Min.: 1 Mult.: 1	CY8C95xx	SMD/SMT	SSOP-48	I2C, Serial	40 I/O	With Interrupt	3 V	5.25 V	12 MHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW PCA9557PWR Texas Instruments 1: ¥342.2 2,907In Stock 4,000Expected 3/22/2027	Mfr. Part # PCA9557PWR Mouser Part # 595-PCA9557PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW Learn More about Texas Instruments ti pca95xx	Datasheet	2,907In Stock 4,000Expected 3/22/2027	Cut Tape ¥342.2 ¥252.5 ¥230.9 ¥206 Reel ¥179.4 View ¥194.3 ¥187.7 ¥182.7 ¥176.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	TSSOP-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 I2C Controlled 18 Ch GPIO Expander TCA6418EYFPR Texas Instruments 1: ¥406.9 4,759In Stock	Mfr. Part # TCA6418EYFPR Mouser Part # 595-TCA6418EYFPR	Texas Instruments	Interface - I/O Expanders I2C Controlled 18 Ch GPIO Expander	Datasheet	4,759In Stock	Cut Tape ¥406.9 ¥300.6 ¥274.1 ¥244.2 View Reel ¥189.4 ¥230.9 ¥224.2 ¥189.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6418E	SMD/SMT	DSBGA-25	I2C, Serial	18 I/O	With Interrupt	1.65 V	3.6 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR PCA9554PWR Texas Instruments 1: ¥451.8 1,843In Stock	Mfr. Part # PCA9554PWR Mouser Part # 595-PCA9554PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR	Datasheet	1,843In Stock	Cut Tape ¥451.8 ¥337.2 ¥308.9 ¥277.4 Reel ¥235.9 View ¥260.8 ¥255.8 ¥249.2 ¥230.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574DGVR Texas Instruments 1: ¥696 1,924In Stock	Mfr. Part # PCF8574DGVR Mouser Part # 595-PCF8574DGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	1,924In Stock	Cut Tape ¥696 ¥524.9 ¥481.7 ¥435.2 ¥420.2 Reel ¥355.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	TVSOP-20	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 PCA9539PW/SOT355/TSSOP24 PCA9539PWJ Nexperia 1: ¥318.9 1,022In Stock	Mfr. Part # PCA9539PWJ Mouser Part # 771-PCA9539PWJ	Nexperia	Interface - I/O Expanders PCA9539PW/SOT355/TSSOP24	Datasheet	1,022In Stock	Cut Tape ¥318.9 ¥234.2 ¥214.3 ¥191 Reel ¥164.4 View ¥179.4 ¥172.7 ¥157.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders Remote 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW PCA9554DGVR Texas Instruments 1: ¥612.9 990In Stock	Mfr. Part # PCA9554DGVR Mouser Part # 595-PCA9554DGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW	Datasheet	990In Stock	Cut Tape ¥612.9 ¥456.8 ¥418.6 ¥375.4 Reel ¥323.9 View ¥353.8 ¥347.1 ¥328.9 ¥320.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TMX/NOPB LM8330TME/NOPB Texas Instruments 1: ¥553.1 1,600In Stock	Mfr. Part # LM8330TME/NOPB Mouser Part # 595-LM8330TME/NOPB	Texas Instruments	Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TMX/NOPB	Datasheet	1,600In Stock	Cut Tape ¥553.1 ¥411.9 ¥377 ¥345.5 Reel ¥292.3 View ¥274.1 ¥269.1 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8330	SMD/SMT	DSBGA-25	I2C, Serial		With Interrupt	1.62 V	1.98 V	400 kHz	- 30 C	+ 85 C	Reel, Cut Tape, MouseReel	8 kV
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SP Microchip Technology 1: ¥372.1 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	¥372.1 ¥308.9 ¥307.3	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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package PCAL6416APW,118 NXP Semiconductors 1: ¥282.4 24,263In Stock	Mfr. Part # PCAL6416APW,118 Mouser Part # 771-PCAL6416APW118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	24,263In Stock	Cut Tape ¥282.4 ¥207.6 ¥187.7 ¥166.1 Reel ¥140.5 View ¥156.1 ¥150.2 ¥148.7 ¥132.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCAL6416A	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 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package PCA9537DPZ NXP Semiconductors 1: ¥340.5 2,769In Stock	Mfr. Part # PCA9537DPZ Mouser Part # 771-PCA9537DPZ	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package	Datasheet	2,769In Stock	Cut Tape ¥340.5 ¥252.5 ¥229.2 ¥204.3 Reel ¥176.1 View ¥192.7 ¥186 ¥182.7 ¥169.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9537DP	SMD/SMT	TSSOP-10	I2C, Serial, SMBus	4 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDBR PCF8575CDB Texas Instruments 1: ¥1,280.6 514In Stock	Mfr. Part # PCF8575CDB Mouser Part # 595-PCF8575CDB	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDBR	Datasheet	514In Stock	¥1,280.6 ¥990 ¥863.7 ¥827.2 View ¥787.3 ¥740.8 ¥724.2	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408APWR Texas Instruments 1: ¥300.6 6,015In Stock	Mfr. Part # TCA6408APWR Mouser Part # 595-TCA6408APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	6,015In Stock	Cut Tape ¥300.6 ¥220.9 ¥201 ¥179.4 Reel ¥151.2 View ¥167.8 ¥161.8 ¥161.1 ¥147.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6408A	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 PERI PRG-I/O 5V 8MHZ 44PLCC COMEL CS82C55AZ96 Renesas / Intersil 1: ¥3,846.9 10In Stock 1,000Expected 2/2/2027	Mfr. Part # CS82C55AZ96 Mouser Part # 968-CS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMEL	Datasheet	10In Stock 1,000Expected 2/2/2027	Cut Tape ¥3,846.9 ¥3,204.1 ¥2,986.5 ¥2,750.6 View Reel ¥2,479.9 ¥2,481.5 ¥2,479.9 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	0 C	+ 70 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu MAX7322AEE+ Analog Devices / Maxim Integrated 1: ¥1,323.8 63In Stock	Mfr. Part # MAX7322AEE+ Mouser Part # 700-MAX7322AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu	Datasheet	63In Stock	¥1,323.8 ¥1,021.5 ¥945.1 ¥802.3 View ¥775.7 ¥770.7 ¥745.8 ¥712.6 Quote	Min.: 1 Mult.: 1	MAX7322	SMD/SMT	QSOP-16	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 Expander with Eight Inputs and MAX7319ATE+ Analog Devices / Maxim Integrated 1: ¥1,049.8 1,239In Stock	Mfr. Part # MAX7319ATE+ Mouser Part # 700-MAX7319ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with Eight Inputs and	Datasheet	1,239In Stock	¥1,049.8 ¥803.9 ¥740.8 ¥659.4 View ¥637.8 ¥614.6 ¥588 Quote	Min.: 1 Mult.: 1	MAX7319	SMD/SMT	TQFN-EP-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 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Agile I/O in TSSOP24 package PCAL9555APW,118 NXP Semiconductors 1: ¥335.5 4,480In 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	4,480In Stock	Cut Tape ¥335.5 ¥247.5 ¥224.2 ¥199.3 View Reel ¥167.8 ¥187.7 ¥181 ¥167.8 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 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536CDTMR Texas Instruments 1: ¥297.3 2,314In Stock	Mfr. Part # TCA9536CDTMR Mouser Part # 595-TCA9536CDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	2,314In Stock	Cut Tape ¥297.3 ¥217.6 ¥197.7 ¥176.1 View Reel ¥145 ¥165.3 ¥159 ¥158.1 ¥148.5 ¥145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr TCA9535PWR Texas Instruments 1: ¥323.9 151In Stock 32,000On Order	Mfr. Part # TCA9535PWR Mouser Part # 595-TCA9535PWR	Texas Instruments	Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr Learn More about Texas Instruments ti tca9535 expander	Datasheet	151In Stock 32,000On Order On Order Ship Dates Mfr. #: TCA9535PWR Stock: 151 Can Ship Immediately On Order: 6,000 Expected 11/13/2026 12,000 Expected 11/19/2026 14,000 Expected 1/28/2027 Factory Lead-Time: 20 Weeks	Cut Tape ¥323.9 ¥237.5 ¥215.9 ¥192.7 Reel ¥163.1 View ¥181 ¥174.4 ¥159.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9535	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 I C Port Expander with 8 Push-Pull and 8 MAX7325AEG+ Analog Devices / Maxim Integrated 1: ¥1,174.3 109In Stock	Mfr. Part # MAX7325AEG+ Mouser Part # 700-MAX7325AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8	Datasheet	109In Stock	¥1,174.3 ¥900.3 ¥764.1 ¥754.1 View ¥699.3 ¥679.3 ¥666.1 ¥652.8 Quote	Min.: 1 Mult.: 1	MAX7325	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