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TSSOP-20 Interface - I/O Expanders

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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	Packaging	ESD Protection
	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW PCA9518PWR Texas Instruments 1: $3.60 2,124In Stock	Mfr. Part # PCA9518PWR Mouser Part # 595-PCA9518PWR	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW	Datasheet	2,124In Stock	Cut Tape $3.60 $1.83 $1.70 $1.66 Reel $1.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			PCA9518	SMD/SMT	TSSOP-20	I2C, Serial	5 I/O	Without Interrupt	3 V	3.6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW PCF8574PWR Texas Instruments 1: $2.62 1,986In Stock 6,000Expected 2027-04-12	Mfr. Part # PCF8574PWR Mouser Part # 595-PCF8574PWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW	Datasheet	1,986In Stock 6,000Expected 2027-04-12	Cut Tape $2.62 $1.93 $1.76 $1.57 Reel $1.33 View $1.47 $1.41 $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			PCF8574	SMD/SMT	TSSOP-20	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	1 kV
	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package PCA9501PW,118 NXP Semiconductors 1: $5.11 3,865In Stock 5,000Expected 2026-11-04	Mfr. Part # PCA9501PW,118 Mouser Part # 771-PCA9501PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package Learn More about NXP Semiconductors nxp pca9501pw 8 bit expander	Datasheet	3,865In Stock 5,000Expected 2026-11-04	Cut Tape $5.11 $3.82 $3.48 $3.12 $2.97 Reel $2.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			PCA9501	SMD/SMT	TSSOP-20	I2C, Serial, SMBus	8 I/O	With Interrupt	2.5 V	3.6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	Interface - I/O Expanders Expandable 5-channel I2C-bus hub PCA9518APW,518 NXP Semiconductors 1: $5.27 2,409In Stock 2,500Expected 2027-01-18	Mfr. Part # PCA9518APW,518 Mouser Part # 771-PCA9518APW518	NXP Semiconductors	Interface - I/O Expanders Expandable 5-channel I2C-bus hub	Datasheet	2,409In Stock 2,500Expected 2027-01-18	Cut Tape $5.27 $3.93 $3.60 $3.23 $3.05 Reel $2.59 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			PCA9518A	SMD/SMT	TSSOP-20	I2C, Serial, SMBus	5 I/O	Without Interrupt	3.3 V	3.3 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW PCF8574APWR Texas Instruments 1: $2.35 183In Stock 22,000On Order	Mfr. Part # PCF8574APWR Mouser Part # 595-PCF8574APWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW	Datasheet	183In Stock 22,000On Order On Order Ship Dates Mfr. #: PCF8574APWR Stock: 183 Can Ship Immediately On Order: 10,000 Expected 2026-12-25 12,000 Expected 2027-02-11 Factory Lead-Time: 12 Weeks	Cut Tape $2.35 $1.73 $1.57 $1.38 Reel $1.12 View $1.24 $1.20 $1.19 $1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			PCF8574A	SMD/SMT	TSSOP-20	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	1 kV
	Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan DS4550E+ Analog Devices / Maxim Integrated 1: $12.83 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	$12.83 $9.94 $9.22 $8.41 View $7.76 $7.53 $7.30 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 Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574APWR PCF8574APWRE4 Texas Instruments 1: $2.30 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PCF8574APWRE4 Mouser Part # 595-PCF8574APWRE4	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574APWR	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $2.30 $1.68 $1.53 $1.35 Reel $1.19 View $1.27 $1.22 $1.21 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			PCF8574A	SMD/SMT	TSSOP-20		8 I/O		2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574APWR PCF8574APWRG4 Texas Instruments 2,000: $1.19 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PCF8574APWRG4 Mouser Part # 595-PCF8574APWRG4	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574APWR	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.19 $1.16	Min.: 2,000 Mult.: 2,000 : 2,000			PCF8574A	SMD/SMT	TSSOP-20		8 I/O		2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Reel