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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 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AUE+T Analog Devices / Maxim Integrated 1: ¥1,333.8 784In Stock	Mfr. Part # MAX7310AUE+T Mouser Part # 700-MAX7310AUET	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	784In Stock	Cut Tape ¥1,333.8 ¥1,029.8 ¥953.4 ¥872 ¥825.5 ¥825.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 635	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	Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders Expandable 5-channel I2C-bus hub PCA9518APW,518 NXP Semiconductors 1: ¥607.9 2,409In Stock 2,500Expected 12/27/2027	Mfr. Part # PCA9518APW,518 Mouser Part # 771-PCA9518APW518	NXP Semiconductors	Interface - I/O Expanders Expandable 5-channel I2C-bus hub	Datasheet	2,409In Stock 2,500Expected 12/27/2027	Cut Tape ¥607.9 ¥453.5 ¥415.3 ¥372.1 ¥352.1 Reel ¥299 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9518A	SMD/SMT	TSSOP-20	I2C, Serial, SMBus	5 I/O	Without Interrupt	3.3 V	3.3 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP24 package PCA6416APW,118 NXP Semiconductors 1: ¥302.3 4,292In Stock	Mfr. Part # PCA6416APW,118 Mouser Part # 771-PCA6416APW118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	4,292In Stock	Cut Tape ¥302.3 ¥222.6 ¥202.6 ¥181 Reel ¥152.3 View ¥169.4 ¥162.9 ¥162.4 ¥148.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA6416	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
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311ATG+ Analog Devices / Maxim Integrated 1: ¥1,893.5 412In Stock	Mfr. Part # MAX7311ATG+ Mouser Part # 700-MAX7311ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	412In Stock	¥1,893.5 ¥1,478.3 ¥1,375.3 ¥1,259 ¥1,195.9	Min.: 1 Mult.: 1 Max.: 329	MAX7311	SMD/SMT	TQFN-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 Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR TCA9534ADWT Texas Instruments 1: ¥367.1 282In Stock	Mfr. Part # TCA9534ADWT Mouser Part # 595-TCA9534ADWT	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR	Datasheet	282In Stock	Cut Tape ¥367.1 ¥272.4 ¥247.5 ¥220.9 Reel ¥214.3 View ¥196 ¥191 ¥186 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9534A	SMD/SMT	SOIC-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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312AUG+ Analog Devices / Maxim Integrated 1: ¥1,604.5 403In Stock	Mfr. Part # MAX7312AUG+ Mouser Part # 700-MAX7312AUG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	403In Stock	¥1,604.5 ¥1,249.1 ¥1,137.8 ¥1,049.8 ¥1,006.6	Min.: 1 Mult.: 1 Max.: 322	MAX7312	SMD/SMT	TSSOP-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 I C Port Expander with 8 Open-Drain I/Os MAX7321AEE+ Analog Devices / Maxim Integrated 1: ¥1,078 358In Stock	Mfr. Part # MAX7321AEE+ Mouser Part # 700-MAX7321AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os	Datasheet	358In Stock	¥1,078 ¥827.2 ¥764.1 ¥647.8	Min.: 1 Mult.: 1 Max.: 286	MAX7321	SMD/SMT	QSOP-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 8-bit I2C-bus I/O Expander PI4IOE5V6408ZTAEX Diodes Incorporated 1: ¥142.8 2,069In Stock 8,800Expected 11/3/2026	Mfr. Part # PI4IOE5V6408ZTAEX Mouser Part # 729-I4IOE5V6408ZTAEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C-bus I/O Expander	Datasheet	2,069In Stock 8,800Expected 11/3/2026	Cut Tape ¥142.8 ¥100 ¥87 ¥78.6 View Reel ¥73.9 ¥75.7 ¥73.9 ¥73.9 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3,000	PIO4IO	SMD/SMT	UQFN-16	I2C, Serial	8 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 I C Port Expander with 8 Open-Drain I/Os MAX7321ATE+ Analog Devices / Maxim Integrated 1: ¥769 202In Stock	Mfr. Part # MAX7321ATE+ Mouser Part # 700-MAX7321ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os	Datasheet	202In Stock	¥769 ¥579.7 ¥533.2 ¥451.8	Min.: 1 Mult.: 1 Max.: 161	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 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR TCA9535DBT Texas Instruments 1: ¥435.2 429In Stock	Mfr. Part # TCA9535DBT Mouser Part # 595-TCA9535DBT	Texas Instruments	Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR Learn More about Texas Instruments ti tca9535 expander	Datasheet	429In Stock	Cut Tape ¥435.2 ¥323.9 ¥295.7 ¥265.8 Reel ¥249.2 View ¥235.9 ¥225.9 ¥222.6 ¥219.3 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9535	SMD/SMT	SSOP-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 Remote 8B I2C and Lo -Pwr I/O Expander PCA9554ARGTR Texas Instruments 1: ¥277.4 172In Stock 9,000Expected 2/15/2027	Mfr. Part # PCA9554ARGTR Mouser Part # 595-PCA9554ARGTR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	172In Stock 9,000Expected 2/15/2027	Cut Tape ¥277.4 ¥204.3 ¥186 ¥164.6 Reel ¥138 View ¥154.8 ¥149 ¥148 ¥135 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9554A	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 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310ATE+T Analog Devices / Maxim Integrated 1: ¥1,401.9 2,270In Stock	Mfr. Part # MAX7310ATE+T Mouser Part # 700-MAX7310ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	2,270In Stock	Cut Tape ¥1,401.9 ¥1,079.7 ¥999.9 ¥911.9 ¥870.4 ¥870.4 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,816	MAX7310	SMD/SMT	TQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534RGVR Texas Instruments 1: ¥330.5 131In Stock 30,000On Order	Mfr. Part # PCA9534RGVR Mouser Part # 595-PCA9534RGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	131In Stock 30,000On Order On Order Ship Dates Mfr. #: PCA9534RGVR Stock: 131 Can Ship Immediately On Order: 7,500 Expected 1/25/2027 15,000 Expected 3/8/2027 7,500 Expected 4/2/2027 Factory Lead-Time: 20 Weeks	Cut Tape ¥330.5 ¥264.1 ¥240.8 ¥214.3 Reel ¥181 View ¥202.6 ¥196 ¥187.7 ¥176.1 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 I C Port Expander with 4 Push-Pull Outpu MAX7322ATE+T Analog Devices / Maxim Integrated 1: ¥1,109.5 124In Stock	Mfr. Part # MAX7322ATE+T Mouser Part # 700-MAX7322ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu	Datasheet	124In Stock	Cut Tape ¥1,109.5 ¥850.4 ¥787.3 ¥787.3 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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574ARGYR Texas Instruments 1: ¥425.2 761In Stock	Mfr. Part # PCF8574ARGYR Mouser Part # 595-PCF8574ARGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	761In Stock	Cut Tape ¥425.2 ¥317.3 ¥290.7 ¥259.1 Reel ¥217.6 View ¥245.8 ¥244.2 ¥212.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8574A	SMD/SMT	VQFN-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 I C Port Expander with 8 Push-Pull and 8 MAX7325ATG+ Analog Devices / Maxim Integrated 1: ¥724.2 275In Stock	Mfr. Part # MAX7325ATG+ Mouser Part # 700-MAX7325ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8	Datasheet	275In Stock	¥724.2 ¥549.8 ¥465.1 ¥445.1	Min.: 1 Mult.: 1 Max.: 220	MAX7325	SMD/SMT	TQFN-EP-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 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package PCAL9539APW,118 NXP Semiconductors 1: ¥416.9 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 ¥416.9 ¥310.6 ¥284 ¥259.1 Reel ¥225.9 View ¥244.2 ¥239.2 ¥220.9 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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AAG+ Analog Devices / Maxim Integrated 1: ¥1,993.2 63In Stock	Mfr. Part # MAX7311AAG+ Mouser Part # 700-MAX7311AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	63In Stock	¥1,993.2 ¥1,561.3 ¥1,453.4 ¥1,333.8 View ¥1,274 ¥1,205.9 ¥1,171 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 Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT PCA9518DW Texas Instruments 1: ¥852.1 129In Stock	Mfr. Part # PCA9518DW Mouser Part # 595-PCA9518DW	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT	Datasheet	129In Stock	¥852.1 ¥649.5 ¥596.3 ¥541.5 View ¥516.6 ¥496.6 ¥493.3 ¥491.7	Min.: 1 Mult.: 1	PCA9518	SMD/SMT	SOIC-20	I2C, Serial	5 I/O	Without Interrupt	3 V	3.6 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR TCA9554DWT Texas Instruments 1: ¥418.6 36In Stock 500Expected 4/5/2027	Mfr. Part # TCA9554DWT Mouser Part # 595-TCA9554DWT	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	36In Stock 500Expected 4/5/2027	Cut Tape ¥418.6 ¥310.6 ¥282.4 ¥252.5 Reel ¥239.2 View ¥230.9 ¥220.9 ¥219.3 ¥210.9 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9554	SMD/SMT	SOIC-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
Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555ZDEX Diodes Incorporated 1: ¥274.1 1,925In Stock 7,000Expected 3/17/2028	Mfr. Part # PI4IOE5V9555ZDEX Mouser Part # 729-PI4IOE5V9555ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1,925In Stock 7,000Expected 3/17/2028	Cut Tape ¥274.1 ¥201 ¥171.1 ¥160.8 Reel ¥160.8 MouseReel Available	Min.: 1 Mult.: 1 Max.: 620 : 3,500	PIO4IO	SMD/SMT	TQFN-24	I2C, Serial, SMBus	8 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 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300ATL+ Analog Devices / Maxim Integrated 1: ¥3,247.3 103In Stock	Mfr. Part # MAX7300ATL+ Mouser Part # 700-MAX7300ATL+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	103In Stock	¥3,247.3 ¥2,632.7 ¥2,237.4	Min.: 1 Mult.: 1 Max.: 82	MAX7300	SMD/SMT	TQFN-EP-40	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 I C Port Expander with Eight Inputs and MAX7319AEE+ Analog Devices / Maxim Integrated 1: ¥1,174.3 61In Stock	Mfr. Part # MAX7319AEE+ Mouser Part # 700-MAX7319AEE+	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with Eight Inputs and	Datasheet	61In Stock	¥1,174.3 ¥900.3 ¥832.2 ¥705.9 View ¥699.3 ¥679.3 ¥666.1 ¥652.8 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 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW PCF8574APWR Texas Instruments 1: ¥264.1 183In Stock 22,000On Order	Mfr. Part # PCF8574APWR Mouser Part # 595-PCF8574APWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW	Datasheet	183In Stock 22,000On Order On Order Ship Dates Mfr. #: PCF8574APWR Stock: 183 Can Ship Immediately On Order: 10,000 Expected 12/25/2026 12,000 Expected 2/11/2027 Factory Lead-Time: 12 Weeks	Cut Tape ¥264.1 ¥192.7 ¥176.1 ¥155.3 Reel ¥132.9 View ¥146 ¥140.4 ¥139 ¥127.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	SMD/SMT	TSSOP-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 8-bit I2C and SMBus IO Port PI4IOE5V9554ALEX Diodes Incorporated 1: ¥209.3 1,826In Stock 2,500Expected 10/20/2027	Mfr. Part # PI4IOE5V9554ALEX Mouser Part # 729-PI4IOE5V9554ALEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1,826In Stock 2,500Expected 10/20/2027	Cut Tape ¥209.3 ¥150.3 ¥131.6 ¥119.6 Reel ¥119.6 MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2,500	PIO4IO	SMD/SMT	TSSOP-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	4 kV