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QFN-20 Interface - I/O Expanders

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 MCP23008-E/ML Microchip Technology 1: £1.12 8,771In Stock	Mfr. Part No. MCP23008-E/ML Mouser Part No 579-MCP23008-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	8,771In Stock	£1.12 £0.943 £0.849	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 I2C interface MCP23008T-E/ML Microchip Technology 1: £1.12 10,395In Stock	Mfr. Part No. MCP23008T-E/ML Mouser Part No 579-MCP23008T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	10,395In Stock	Cut Tape £1.12 £0.943 Reel £0.849 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 SPI interface MCP23S08-E/ML Microchip Technology 1: £1.24 5,597In Stock	Mfr. Part No. MCP23S08-E/ML Mouser Part No 579-MCP23S08-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	5,597In Stock	£1.24 £1.04	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: £1.24 2,866In Stock	Mfr. Part No. MCP23S08T-E/ML Mouser Part No 579-MCP23S08T-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp SPI interface	Datasheet	2,866In Stock	Cut Tape £1.24 £1.22 Reel £1.04 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: £1.55 15,000Expected 07/12/2026	Mfr. Part No. SX1508BIULTRT Mouser Part No 947-SX1508BIULTRT	Semtech	Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM Learn More about Semtech sx1508b sx1509b gpio	Datasheet	15,000Expected 07/12/2026	Cut Tape £1.55 £1.15 £1.05 £0.934 View Reel £0.796 £0.882 £0.849 £0.826 £0.796 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: £0.361 Non-Stocked	Mfr. Part No. SX1501I087TRT Mouser Part No 947-SX1501I087TRT	Semtech	Interface - I/O Expanders 4 CHANNEL LOW VOLTAGE GPIO	Datasheet	Non-Stocked	Cut Tape £0.361	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: £0.841 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. SX1508QBIULTRT Mouser Part No 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 £0.841	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: £1.20 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. NCT5605Y Mouser Part No 503-NCT5605Y	Nuvoton	Interface - I/O Expanders GPIO extender	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape £1.20 £0.882 £0.803 £0.709 £0.674 Reel £0.641	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: £0.526 Non-Stocked	Mfr. Part No. NCT5605Y TR Mouser Part No 503-NCT5605YTR	Nuvoton	Interface - I/O Expanders GPIO extender	Datasheet	Non-Stocked	Reel £0.526	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