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QFN-20 Interface - I/O Expanders

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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 8bit Input/Output Exp I2C interface MCP23008T-E/ML Microchip Technology 1: ₩2,324.4 10,395In Stock	Mfr. Part # MCP23008T-E/ML Mouser Part # 579-MCP23008T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	10,395In Stock	Cut Tape ₩2,324.4 ₩1,950 Reel ₩1,762.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,300				SMD/SMT	QFN-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
	Interface - I/O Expanders 8bit Input/Output Exp I2C interface MCP23008-E/ML Microchip Technology 1: ₩2,324.4 8,771In Stock	Mfr. Part # MCP23008-E/ML Mouser Part # 579-MCP23008-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	8,771In Stock	₩2,324.4 ₩1,950 ₩1,762.8	Min.: 1 Mult.: 1				SMD/SMT	QFN-20	I2C, Serial	8 I/O	With Interrupt	1.8 V	5.5 V	1.7 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
	Interface - I/O Expanders 8bit Input/Output Exp SPI interface MCP23S08-E/ML Microchip Technology 1: ₩2,574 5,597In Stock	Mfr. Part # MCP23S08-E/ML Mouser Part # 579-MCP23S08-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	5,597In Stock	₩2,574 ₩2,137.2 ₩2,121.6	Min.: 1 Mult.: 1				SMD/SMT	QFN-20	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
	Interface - I/O Expanders 8bit Input/Output Exp SPI interface MCP23S08T-E/ML Microchip Technology 1: ₩2,574 2,866In Stock	Mfr. Part # MCP23S08T-E/ML Mouser Part # 579-MCP23S08T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	2,866In Stock	Cut Tape ₩2,574 ₩2,542.8 Reel ₩2,121.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,300				SMD/SMT	QFN-20	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
	Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM SX1508BIULTRT Semtech 1: ₩3,229.2 15,000Expected 12/7/2026	Mfr. Part # SX1508BIULTRT Mouser Part # 947-SX1508BIULTRT	Semtech	Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM Learn More about Semtech sx1508b sx1509b gpio	Datasheet	15,000Expected 12/7/2026	Cut Tape ₩3,229.2 ₩2,386.8 ₩2,168.4 ₩1,934.4 View Reel ₩1,653.6 ₩1,825.2 ₩1,762.8 ₩1,716 ₩1,653.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SX1508	SMD/SMT	QFN-20	I2C, Serial	8 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 4 CHANNEL LOW VOLTAGE GPIO SX1501I087TRT Semtech 15,000: ₩748.8 Non-Stocked	Mfr. Part # SX1501I087TRT Mouser Part # 947-SX1501I087TRT	Semtech	Interface - I/O Expanders 4 CHANNEL LOW VOLTAGE GPIO	Datasheet	Non-Stocked	Cut Tape ₩748.8	Min.: 15,000 Mult.: 3,000 : 3,000				SMD/SMT	QFN-20	I2C, Serial	4 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel
	Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM SX1508QBIULTRT Semtech 3,000: ₩1,747.2 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # SX1508QBIULTRT Mouser Part # 947-SX1508QBIULTRT	Semtech	Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM Learn More about Semtech sx1508b sx1509b gpio	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ₩1,747.2	Min.: 3,000 Mult.: 3,000 : 3,000			SX1508	SMD/SMT	QFN-20	I2C, Serial	8 I/O	With Interrupt	1.2 V	3.6 V	2 MHz	- 40 C	+ 85 C	Reel	2 kV
	Interface - I/O Expanders GPIO extender Nuvoton NCT5605Y NCT5605Y Nuvoton 1: ₩2,511.6 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # NCT5605Y Mouser Part # 503-NCT5605Y	Nuvoton	Interface - I/O Expanders GPIO extender	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape ₩2,511.6 ₩1,840.8 ₩1,669.2 ₩1,472.6 ₩1,400.9 Reel ₩1,330.7	Min.: 1 Mult.: 1 : 490				SMD/SMT	QFN-20	I2C, Serial, SMBus		With Interrupt	3.3 V	3.3 V		0 C	+ 70 C	Reel, Cut Tape
	Interface - I/O Expanders GPIO extender Nuvoton NCT5605Y TR NCT5605Y TR Nuvoton 4,000: ₩1,092 Non-Stocked	Mfr. Part # NCT5605Y TR Mouser Part # 503-NCT5605YTR	Nuvoton	Interface - I/O Expanders GPIO extender	Datasheet	Non-Stocked	Reel ₩1,092	Min.: 4,000 Mult.: 4,000 : 4,000				SMD/SMT	QFN-20	I2C, Serial, SMBus		With Interrupt	3.3 V	3.3 V		0 C	+ 70 C	Reel