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SMD/SMT Interface - I/O Expanders

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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 16-bit I2C and SMBus low power I/O port PI4IOE5V9539ZDEX Diodes Incorporated 1: ¥240.8 865In Stock 7,000Expected 3/6/2028	Mfr. Part # PI4IOE5V9539ZDEX Mouser Part # 729-PI4IOE5V9539ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	865In Stock 7,000Expected 3/6/2028	Cut Tape ¥240.8 ¥174.4 ¥152.6 ¥139.2 ¥134.5 Reel ¥134.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 460 : 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 8-bit I2C and SMBus IO Port PI4IOE5V9554ALEX Diodes Incorporated 1: ¥209.3 1,411In 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	1,411In 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
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LE Diodes Incorporated 1: ¥224.2 138In Stock	Mfr. Part # PI4IOE5V9554LE Mouser Part # 729-PI4IOE5V9554LE	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	138In Stock	¥224.2 ¥161.9 ¥144.2 ¥139.9 View ¥121.3 ¥116.3 ¥111.1 ¥108 ¥105.5	Min.: 1 Mult.: 1	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	Tube	4 kV
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 NCA9539PW/SOT355/TSSOP24 NCA9539PWJ Nexperia 1: ¥240.8 194In Stock 2,500Expected 4/9/2027	Mfr. Part # NCA9539PWJ Mouser Part # 771-NCA9539PWJ	Nexperia	Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	194In Stock 2,500Expected 4/9/2027	Cut Tape ¥240.8 ¥176.1 ¥158.6 ¥140.5 Reel ¥112.6 View ¥131.9 ¥126.6 ¥123.1 ¥107.6 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 16-bit I2C-bus I/O Expander with Interrupt, Low Voltage version of PCA9535 in TSSOP24 package PCA9535APW,118 NXP Semiconductors 1: ¥347.1 373In Stock 12,500Expected 10/29/2026	Mfr. Part # PCA9535APW,118 Mouser Part # 771-PCA9535APW,118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt, Low Voltage version of PCA9535 in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	373In Stock 12,500Expected 10/29/2026	Cut Tape ¥347.1 ¥255.8 ¥232.5 ¥207.6 View Reel ¥181 ¥196 ¥189.4 ¥181 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9535A	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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538BS,118 NXP Semiconductors 1: ¥446.8 103In Stock 12,000Expected 11/2/2026	Mfr. Part # PCA9538BS,118 Mouser Part # 771-PCA9538BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package	Datasheet	103In Stock 12,000Expected 11/2/2026	Cut Tape ¥446.8 ¥332.2 ¥302.3 ¥270.7 View Reel ¥227.6 ¥255.8 ¥247.5 ¥237.5 ¥234.2 ¥227.6 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9538	SMD/SMT	HVQFN-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 I/O Expander with Interrupt and Reset in TSSOP24 package PCA9539PW,118 NXP Semiconductors 1: ¥425.2 108In Stock 17,500On Order	Mfr. Part # PCA9539PW,118 Mouser Part # 771-PCA9539PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package	Datasheet	108In Stock 17,500On Order On Order Ship Dates Mfr. #: PCA9539PW,118 Stock: 108 Can Ship Immediately On Order: 7,500 Expected 6/7/2027 10,000 Expected 6/14/2027 Factory Lead-Time: 30 Weeks	Cut Tape ¥425.2 ¥315.6 ¥287.4 ¥257.5 View Reel ¥214.3 ¥244.2 ¥234.2 ¥225.9 ¥214.3 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9539	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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address than PCA9554C in HVQFN16 package PCA9554BBSHP NXP Semiconductors 1: ¥282.4 5,940In Stock 60,000On Order	Mfr. Part # PCA9554BBSHP Mouser Part # 771-PCA9554BBSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address than PCA9554C in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	5,940In Stock 60,000On Order On Order Ship Dates Mfr. #: PCA9554BBSHP Stock: 5,940 Can Ship Immediately On Order: 6,000 Expected 12/21/2026 18,000 Expected 5/3/2027 36,000 Expected 5/10/2027 Factory Lead-Time: 30 Weeks	Cut Tape ¥282.4 ¥207.6 ¥189.4 ¥167.8 View Reel ¥129.9 ¥157 ¥151 ¥150 ¥149 ¥129.9 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9554B	SMD/SMT	HVQFN-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/SMBus I/O Expander with Interrupt in SSOP24 package PCA9555DB,118 NXP Semiconductors 1: ¥514.9 15In Stock 7,000Expected 12/7/2026	Mfr. Part # PCA9555DB,118 Mouser Part # 771-PCA9555DB-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package	Datasheet	15In Stock 7,000Expected 12/7/2026	Cut Tape ¥514.9 ¥387 ¥353.8 ¥318.9 Reel ¥282.4 View ¥300.6 ¥295.7 ¥274.1 ¥269.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	PCA9555	SMD/SMT	SSOP-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
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package PCA9557PW,118 NXP Semiconductors 1: ¥402 992In Stock 32,500Expected 12/21/2026	Mfr. Part # PCA9557PW,118 Mouser Part # 771-PCA9557PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package	Datasheet	992In Stock 32,500Expected 12/21/2026	Cut Tape ¥402 ¥297.3 ¥270.7 ¥242.5 View Reel ¥191 ¥229.2 ¥227.6 ¥191 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9557	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package PCAL6408AEX1Z NXP Semiconductors 1: ¥252.5 192In Stock 15,000On Order	Mfr. Part # PCAL6408AEX1Z Mouser Part # 771-PCAL6408AEX1Z	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	192In Stock 15,000On Order	Cut Tape ¥252.5 ¥194.3 ¥167.8 ¥148.8 View Reel ¥124.6 ¥139.9 ¥132.7 ¥124.6 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	PCAL6408A	SMD/SMT	X2QFN-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 Mobile I/O Companion Key-Scan LM8333FLQ8Y/NOPB Texas Instruments 1: ¥842.1 158In Stock	Mfr. Part # LM8333FLQ8Y/NOPB Mouser Part # 926-LM8333FLQ8Y/NOPB	Texas Instruments	Interface - I/O Expanders Mobile I/O Companion Key-Scan	Datasheet	158In Stock	Cut Tape ¥842.1 ¥641.1 ¥612.9 ¥554.8 Reel ¥496.6 View ¥480 ¥471.7 ¥466.7 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8333	SMD/SMT	WQFN-32	I2C, Serial	4 I/O	With Interrupt	2.25 V	2.9 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	8 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 Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB PCA9534ADBR Texas Instruments 1: ¥664.4 403In Stock End of Life	Mfr. Part # PCA9534ADBR Mouser Part # 595-PCA9534ADBR End of Life	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB	Datasheet	403In Stock	Cut Tape ¥664.4 ¥501.6 ¥460.1 ¥415.3 View Reel ¥365.4 ¥395.3 ¥392 ¥368.7 ¥365.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534A	SMD/SMT	SSOP-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 10 Chnl Keypad controller &GPIO expander ADP5585ACBZ-00-R7 Analog Devices 1: ¥269.1 9In Stock	Mfr. Part # ADP5585ACBZ-00-R7 Mouser Part # 584-ADP5585ACBZ-00R7	Analog Devices	Interface - I/O Expanders 10 Chnl Keypad controller &GPIO expander	Datasheet	9In Stock	Cut Tape ¥269.1 ¥262.4 ¥257.5 ¥252.5 View ¥247.5 ¥244.2 ¥240.8 ¥237.5 MouseReel Available	Min.: 1 Mult.: 1	ADP5585	SMD/SMT	WLCSP-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
Interface - I/O Expanders 10 GPIO/Key Controller ADP5585ACPZ-00-R7 Analog Devices 1: ¥533.2 657In Stock	Mfr. Part # ADP5585ACPZ-00-R7 Mouser Part # 584-ADP5585ACPZ-00R7	Analog Devices	Interface - I/O Expanders 10 GPIO/Key Controller	Datasheet	657In Stock	Cut Tape ¥533.2 ¥400.3 ¥367.1 ¥330.5 ¥280.7 View ¥312.3 ¥308.9 ¥289 ¥277.4 MouseReel Available	Min.: 1 Mult.: 1	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
Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus DS4520E+ Analog Devices / Maxim Integrated 1: ¥1,129.5 248In Stock	Mfr. Part # DS4520E+ Mouser Part # 700-DS4520E	Analog Devices / Maxim Integrated	Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	248In Stock	¥1,129.5 ¥867 ¥800.6 ¥725.9 View ¥692.6 ¥671 ¥662.7 ¥654.4	Min.: 1 Mult.: 1	DS4520E	SMD/SMT	TSSOP-16	I2C, Serial	9 I/O	Without Interrupt	2.7 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection
Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan DS4550E+ Analog Devices / Maxim Integrated 1: ¥1,480 112In Stock	Mfr. Part # DS4550E+ Mouser Part # 700-DS4550E	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan	Datasheet	112In Stock	¥1,480 ¥1,146.1 ¥1,063 ¥970 View ¥895.3 ¥868.7 ¥842.1 Quote	Min.: 1 Mult.: 1	DS4550E	SMD/SMT	TSSOP-20	I2C, Serial	9 I/O	Without Interrupt	2.7 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection
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 ¥2,219.1 View ¥2,116.1 ¥2,077.9 Quote	Min.: 1 Mult.: 1	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 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301ATL+ Analog Devices / Maxim Integrated 1: ¥2,604.4 79In Stock	Mfr. Part # MAX7301ATL+ Mouser Part # 700-MAX7301ATL	Analog Devices / Maxim Integrated	Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	79In Stock	¥2,604.4 ¥2,019.8 ¥1,842 ¥1,773.9 View ¥1,702.5 ¥1,659.3 ¥1,624.5 Quote	Min.: 1 Mult.: 1	MAX7301	SMD/SMT	TQFN-40	Serial, SPI	28 I/O	With Interrupt	2.5 V	5.5 V	26 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AEE+ Analog Devices / Maxim Integrated 1: ¥1,401.9 95In Stock	Mfr. Part # MAX7310AEE+ Mouser Part # 700-MAX7310AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	95In Stock	¥1,401.9 ¥1,079.7 ¥999.9 ¥848.8 View ¥822.2 ¥820.5 ¥797.3 ¥762.4 Quote	Min.: 1 Mult.: 1	MAX7310	SMD/SMT	QSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	With ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AUE+ Analog Devices / Maxim Integrated 1: ¥1,401.9 124In Stock	Mfr. Part # MAX7310AUE+ Mouser Part # 700-MAX7310AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	124In Stock	¥1,401.9 ¥1,079.7 ¥999.9 ¥910.2 View ¥843.8 ¥842.1 ¥817.2 Quote	Min.: 1 Mult.: 1	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	Tube	With ESD Protection
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 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+T Analog Devices / Maxim Integrated 1: ¥1,235.8 17In Stock	Mfr. Part # MAX7311AWG+T Mouser Part # 700-MAX7311AWGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	17In Stock	Cut Tape ¥1,235.8 ¥1,209.2 ¥1,182.6 ¥1,159.4 View ¥1,141.1 ¥1,124.5 ¥1,107.9 Quote MouseReel Available	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SOIC-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	Without ESD Protection