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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 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package PCA9500BS,118 NXP Semiconductors 1: ¥652.8 8,000In Stock	Mfr. Part # PCA9500BS,118 Mouser Part # 771-PCA9500BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package	Datasheet	8,000In Stock	Cut Tape ¥652.8 ¥486.7 ¥445.1 ¥398.6 View Reel ¥333.9 ¥377 ¥368.7 ¥350.5 ¥340.5 ¥333.9 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9500	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package PCAL9714HNMP NXP Semiconductors 1: ¥247.5 9,577In Stock	Mfr. Part # PCAL9714HNMP Mouser Part # 771-PCAL9714HNMP	NXP Semiconductors	Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package Learn More about NXP Semiconductors nxp pcal9714 expanders	Datasheet	9,577In Stock	Cut Tape ¥247.5 ¥181 ¥163.8 ¥145.3 View Reel ¥118.9 ¥136.5 ¥131.2 ¥129.7 ¥125.2 ¥118.9	Min.: 1 Mult.: 1 : 6,000	PCAL9714	SMD/SMT	HVQFN-24	I2C, Serial		With Interrupt	1.1 V	5.5 V	5 MHz	- 40 C	+ 85 C		Reel, Cut Tape	2 kV
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 Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416AQ2LEX Diodes Incorporated 1: ¥420.2 2,901In Stock	Mfr. Part # PI4IOE5V6416AQ2LEX Mouser Part # 621-PI4IOE5V6416AQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K	Datasheet	2,901In Stock	Cut Tape ¥420.2 ¥312.3 ¥284 ¥255.8 View Reel ¥215.9 ¥240.8 ¥232.5 ¥224.2 ¥215.9	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24										Reel, Cut Tape
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package PCA9555AHF,128 NXP Semiconductors 1: ¥322.2 48,153In Stock	Mfr. Part # PCA9555AHF,128 Mouser Part # 771-PCA9555AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	48,153In Stock	Cut Tape ¥322.2 ¥252.5 ¥224.2 ¥202.6 View Reel ¥172.7 ¥191 ¥186 ¥182.7 ¥181 ¥172.7 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9555A	SMD/SMT	HWQFN-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, Low Power version of PCA9555 in HVQFN24 package PCA9535BS,118 NXP Semiconductors 1: ¥475 37,313In Stock 24,000Expected 11/12/2026	Mfr. Part # PCA9535BS,118 Mouser Part # 771-PCA9535BS-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in HVQFN24 package	Datasheet	37,313In Stock 24,000Expected 11/12/2026	Cut Tape ¥475 ¥355.5 ¥323.9 ¥290.7 View Reel ¥242.5 ¥275.7 ¥269.1 ¥255.8 ¥247.5 ¥242.5 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9535	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	2 kV
Interface - I/O Expanders Interface IO Expander PI4IOE5V6416ZDEX Diodes Incorporated 1: ¥267.4 3,190In Stock 84,000On Order	Mfr. Part # PI4IOE5V6416ZDEX Mouser Part # 729-PI4IOE5V6416ZDEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	3,190In Stock 84,000On Order On Order Ship Dates Mfr. #: PI4IOE5V6416ZDEX Stock: 3,190 Can Ship Immediately On Order: 21,000 Expected 5/26/2027 28,000 Expected 3/6/2028 35,000 Expected 3/31/2028 Factory Lead-Time: 48 Weeks	Cut Tape ¥267.4 ¥194.3 ¥164.9 ¥156 View Reel ¥111 ¥128.2 ¥123.1 ¥117.6 ¥111 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	PIO4IO	SMD/SMT	TQFN-24	I2C, Serial	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 in TSSOP8 package PCA9536DP,118 NXP Semiconductors 1: ¥337.2 51,511In Stock	Mfr. Part # PCA9536DP,118 Mouser Part # 771-PCA9536DP-T	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package	Datasheet	51,511In Stock	Cut Tape ¥337.2 ¥249.2 ¥227.6 ¥202.6 Reel ¥172.7 View ¥191 ¥184.4 ¥181 ¥167.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9536	SMD/SMT	TSSOP-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-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package PCA9535PW,118 NXP Semiconductors 1: ¥475 9,954In Stock 17,500Expected 1/13/2027	Mfr. Part # PCA9535PW,118 Mouser Part # 771-PCA9535PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package	Datasheet	9,954In Stock 17,500Expected 1/13/2027	Cut Tape ¥475 ¥355.5 ¥323.9 ¥290.7 View Reel ¥240.8 ¥275.7 ¥269.1 ¥255.8 ¥240.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9535	SMD/SMT	TSSOP-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 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package PCA9506DGG,518 NXP Semiconductors 1: ¥1,425.1 13,645In Stock 8,000Expected 3/22/2027	Mfr. Part # PCA9506DGG,518 Mouser Part # 771-PCA9506DGG-T	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package	Datasheet	13,645In Stock 8,000Expected 3/22/2027	Cut Tape ¥1,425.1 ¥1,101.2 ¥1,019.9 ¥930.2 View Reel ¥815.6 ¥883.7 ¥860.4 ¥845.4 ¥815.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9506	SMD/SMT	TSSOP-56	I2C, Serial	40 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 8-bit I/O Expander I2C interface MCP23009-E/SO Microchip Technology 1: ¥252.5 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	¥252.5 ¥210.9 ¥191	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 16 CHAN LOW VOLT GPIO + PWM SX1509QBIULTRT Semtech 1: ¥584.7 8,113In Stock	Mfr. Part # SX1509QBIULTRT Mouser Part # 947-SX1509QBIULTRT	Semtech	Interface - I/O Expanders 16 CHAN LOW VOLT GPIO + PWM Learn More about Semtech sx1508b sx1509b gpio	Datasheet	8,113In Stock	Cut Tape ¥584.7 ¥440.2 ¥403.6 ¥363.8 View Reel ¥318.9 ¥345.5 ¥342.2 ¥332.2 ¥318.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SX1509	SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	1.2 V	3.6 V	2 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Lo-Vltg 24B I2C and SMBus I/O Expander TCA6424ARGJR Texas Instruments 1: ¥533.2 35,231In Stock	Mfr. Part # TCA6424ARGJR Mouser Part # 595-TCA6424ARGJR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 24B I2C and SMBus I/O Expander	Datasheet	35,231In Stock	Cut Tape ¥533.2 ¥397 ¥363.8 ¥327.2 Reel ¥327.2 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 3,000	TCA6424A	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 8-bit translating I& sup2;C-bus/SMBus I/ TCAL6408PWR Texas Instruments 1: ¥254.1 3,140In Stock	Mfr. Part # TCAL6408PWR Mouser Part # 595-TCAL6408PWR	Texas Instruments	Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/ Learn More about Texas Instruments ti tcal6408 i2c bus smbus io expander	Datasheet	3,140In Stock	Cut Tape ¥254.1 ¥186 ¥169.4 ¥149.3 Reel ¥124.7 View ¥140.4 ¥134.9 ¥133.5 ¥122.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6408	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL9538PWR Texas Instruments 1: ¥330.5 2,940In Stock	Mfr. Part # TCAL9538PWR Mouser Part # 595-TCAL9538PWR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal9538 expanders	Datasheet	2,940In Stock	¥330.5 ¥242.5 ¥220.9 ¥197.7 View ¥186 ¥179.4 ¥177.7 ¥160.5 ¥157.1	Min.: 1 Mult.: 1	TCAL9538	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+ Analog Devices / Maxim Integrated 1: ¥2,139.4 306In Stock	Mfr. Part # MAX7311AWG+ Mouser Part # 700-MAX7311AWG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	306In Stock	¥2,139.4 ¥1,675.9 ¥1,559.7 ¥1,431.8	Min.: 1 Mult.: 1 Max.: 244	MAX7311	SMD/SMT	SOIC-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 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW PCA9534DWR Texas Instruments 1: ¥543.1 3,534In Stock	Mfr. Part # PCA9534DWR Mouser Part # 595-PCA9534DWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW	Datasheet	3,534In Stock	Cut Tape ¥543.1 ¥406.9 ¥372.1 ¥333.9 Reel ¥285.7 View ¥315.6 ¥308.9 ¥300.6 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534	SMD/SMT	SOIC-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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and 4 Address pins in TSSOP28 package PCA9575PW2,118 NXP Semiconductors 1: ¥506.6 12,929In Stock	Mfr. Part # PCA9575PW2,118 Mouser Part # 771-PCA9575PW2,118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and 4 Address pins in TSSOP28 package	Datasheet	12,929In Stock	Cut Tape ¥506.6 ¥378.7 ¥347.1 ¥313.9 Reel ¥264.1 View ¥292.3 ¥287.4 ¥280.7 ¥257.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9575	SMD/SMT	TSSOP-28	I2C, Serial, SMBus	16 I/O	With Interrupt	1.1 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	6 kV
Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K PI4IOE5V6534Q2ZLWEX Diodes Incorporated 1: ¥617.9 6,081In Stock 7,000Expected 3/6/2028	Mfr. Part # PI4IOE5V6534Q2ZLWEX Mouser Part # 621-PI4IO565342ZLWEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v6534q expander	Datasheet	6,081In Stock 7,000Expected 3/6/2028	Cut Tape ¥617.9 ¥461.8 ¥411.9 ¥380.4 ¥368.7 Reel ¥368.7 MouseReel Available	Min.: 1 Mult.: 1 Max.: 400 : 3,500	PI4IOE5V6534Q	SMD/SMT	TQFN-46	I2C, Serial	28 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09-E/SO Microchip Technology 1: ¥269.1 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	¥269.1 ¥224.2 ¥206	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 Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416RQ2LEX Diodes Incorporated 1: ¥430.2 3,791In Stock	Mfr. Part # PI4IOE5V6416RQ2LEX Mouser Part # 621-PI4IOE5V6416RQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416rq io expander	Datasheet	3,791In Stock	Cut Tape ¥430.2 ¥318.9 ¥282.4 ¥259.1 View Reel ¥220.9 ¥252.5 ¥247.5 ¥244.2 ¥220.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24				1.65 V	5.5 V		- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expandr PI4IOE5V6416LEX Diodes Incorporated 1: ¥235.9 6,075In Stock	Mfr. Part # PI4IOE5V6416LEX Mouser Part # 729-PI4IOE5V6416LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expandr Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	6,075In Stock	Cut Tape ¥235.9 ¥176.1 ¥155.1 ¥142.5 ¥138.2 Reel ¥138.2	Min.: 1 Mult.: 1 Max.: 410 : 3,000	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape	2 kV
Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package PCA9505DGGY NXP Semiconductors 1: ¥1,176 8,271In Stock	Mfr. Part # PCA9505DGGY Mouser Part # 771-PCA9505DGGY	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package	Datasheet	8,271In Stock	Cut Tape ¥1,176 ¥900.3 ¥832.2 ¥757.4 ¥750.8 Reel ¥636.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9505	SMD/SMT	TSSOP-56	I2C, Serial	40 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 14-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN24 package PCAL9714HN/Q900MP NXP Semiconductors 1: ¥290.7 6,998In Stock	Mfr. Part # PCAL9714HN/Q900MP Mouser Part # 771-PCAL9714HNQ900MP	NXP Semiconductors	Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN24 package Learn More about NXP Semiconductors nxp pcal9714 expanders	Datasheet	6,998In Stock	Cut Tape ¥290.7 ¥214.3 ¥194.3 ¥174.4 View Reel ¥142.8 ¥162.8 ¥156.6 ¥152.1 ¥147.7 ¥142.8	Min.: 1 Mult.: 1 : 6,000	PCAL9714	SMD/SMT	HVQFN-24	I2C, Serial		With Interrupt	1.1 V	5.5 V	5 MHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape	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 ¥2,006.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,104	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