Interface - I/O Expanders – Mouser Canada

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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	Qualification	Packaging	ESD Protection
	Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538ABSHP NXP Semiconductors 1: $2.61 19,177In Stock 18,000Expected 2027-05-03	Mfr. Part # PCA9538ABSHP Mouser Part # 771-PCA9538ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	19,177In Stock 18,000Expected 2027-05-03	Cut Tape $2.61 $1.92 $1.74 $1.53 View Reel $1.30 $1.48 $1.42 $1.41 $1.37 $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 6,000			PCA9538A	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	2 kV
	Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538APWJ NXP Semiconductors 1: $2.52 4,042In Stock 5,000Expected 2027-02-01	Mfr. Part # PCA9538APWJ Mouser Part # 771-PCA9538APWJ	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in TSSOP16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	4,042In Stock 5,000Expected 2027-02-01	Cut Tape $2.52 $1.87 $1.71 $1.53 Reel $1.33 View $1.48 $1.42 $1.41 $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			PCA9538A	SMD/SMT	TSSOP-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	2 kV
	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW,118 NXP Semiconductors 1: $3.87 15,037In Stock	Mfr. Part # PCA9538PW,118 Mouser Part # 771-PCA9538PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	15,037In Stock	Cut Tape $3.87 $2.88 $2.62 $2.35 Reel $2.02 View $2.22 $2.15 $2.06 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			PCA9538	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	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: $3.87 1,000In Stock 12,000Expected 2026-11-02	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	1,000In Stock 12,000Expected 2026-11-02	Cut Tape $3.87 $2.88 $2.62 $2.35 View Reel $1.97 $2.22 $2.15 $2.06 $2.03 $1.97 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW/Q900,118 NXP Semiconductors 1: $4.64 2,498Expected 2026-10-29	Mfr. Part # PCA9538PW/Q900,118 Mouser Part # 771-PCA9538PW/Q90011	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	2,498Expected 2026-10-29	Cut Tape $4.64 $3.46 $3.15 $2.84 $2.68 Reel $2.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			PCA9538	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV