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6 V Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 Remote 8B I2C & SMBu s Lo-Pwr I/O Exp PCA9557DGVR Texas Instruments 1: £2.46 2,308In Stock	Mfr. Part No. PCA9557DGVR Mouser Part No 595-PCA9557DGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp	Datasheet	2,308In Stock	Cut Tape £2.46 £1.84 £1.69 £1.52 View Reel £1.24 £1.43 £1.41 £1.34 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574AN PCF8574ANE4 Texas Instruments 1: £3.29 101In Stock	Mfr. Part No. PCF8574ANE4 Mouser Part No 595-PCF8574ANE4	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574AN	Datasheet	101In Stock	£3.29 £2.56 £2.17 £2.05 View £1.95 £1.93 £1.81 £1.77	Min.: 1 Mult.: 1	PCF8574A	Through Hole	PDIP-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9557DBR PCA9557DB Texas Instruments 1: £2.99 400In Stock	Mfr. Part No. PCA9557DB Mouser Part No 595-PCA9557DB	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9557DBR	Datasheet	400In Stock	£2.99 £2.23 £2.04 £1.82 View £1.73 £1.69 £1.61 £1.58 £1.57	Min.: 1 Mult.: 1	PCA9557	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders 8bit I/O Expndr PCF8574N Texas Instruments 1: £2.27 10,315In Stock	Mfr. Part No. PCF8574N Mouser Part No 595-PCF8574N	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr	Datasheet	10,315In Stock	£2.27 £1.69 £1.54 £1.37 View £1.30 £1.27 £1.20 £1.17 £1.15	Min.: 1 Mult.: 1	PCF8574	Through Hole	PDIP-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D PCA9557DR Texas Instruments 1: £1.32 2,315In Stock	Mfr. Part No. PCA9557DR Mouser Part No 595-PCA9557DR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D Learn More about Texas Instruments ti pca95xx	Datasheet	2,315In Stock	Cut Tape £1.32 £0.969 £0.882 £0.78 Reel £0.676 View £0.733 £0.705 £0.702 £0.643 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9557	SMD/SMT	SOIC-Narrow-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp PCA9557RGYR Texas Instruments 1: £2.37 2,414In Stock	Mfr. Part No. PCA9557RGYR Mouser Part No 595-PCA9557RGYR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp	Datasheet	2,414In Stock	Cut Tape £2.37 £1.76 £1.62 £1.45 Reel £1.24 View £1.37 £1.34 £1.27 £1.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9557	SMD/SMT	VQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574ADGVR Texas Instruments 1: £2.96 6,857In Stock	Mfr. Part No. PCF8574ADGVR Mouser Part No 595-PCF8574ADGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	6,857In Stock	Cut Tape £2.96 £2.21 £2.02 £1.81 £1.71 Reel £1.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	SMD/SMT	TVSOP-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 8bit I/O Expndr PCF8574AN Texas Instruments 1: £3.25 1,010In Stock	Mfr. Part No. PCF8574AN Mouser Part No 595-PCF8574AN	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr	Datasheet	1,010In Stock	£3.25 £2.45 £2.21 £2.01 View £1.90 £1.87 £1.82 £1.76	Min.: 1 Mult.: 1	PCF8574A	Through Hole	PDIP-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube	1 kV
Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574DGVR Texas Instruments 1: £3.14 1,924In Stock	Mfr. Part No. PCF8574DGVR Mouser Part No 595-PCF8574DGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	1,924In Stock	Cut Tape £3.14 £2.37 £2.17 £1.96 £1.90 Reel £1.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	TVSOP-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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574RGTR Texas Instruments 1: £1.42 4,328In Stock	Mfr. Part No. PCF8574RGTR Mouser Part No 595-PCF8574RGTR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	4,328In Stock	Cut Tape £1.42 £1.07 £0.952 £0.849 Reel £0.718 View £0.803 £0.773 £0.766 £0.706 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8574	SMD/SMT	VQFN-16	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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574RGYR Texas Instruments 1: £1.68 1,284In Stock	Mfr. Part No. PCF8574RGYR Mouser Part No 595-PCF8574RGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	1,284In Stock	Cut Tape £1.68 £1.25 £1.13 £1.01 Reel £0.856 View £0.96 £0.934 £0.908 £0.826 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8574	SMD/SMT	VQFN-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 Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB PCA9557DBR Texas Instruments 1: £2.33 1,939In Stock	Mfr. Part No. PCA9557DBR Mouser Part No 595-PCA9557DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB	Datasheet	1,939In Stock	Cut Tape £2.33 £1.75 £1.60 £1.43 Reel £1.22 View £1.36 £1.34 £1.27 £1.20 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW PCA9557PWR Texas Instruments 1: £1.55 2,907In Stock 4,000Expected 22/03/2027	Mfr. Part No. PCA9557PWR Mouser Part No 595-PCA9557PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW Learn More about Texas Instruments ti pca95xx	Datasheet	2,907In Stock 4,000Expected 22/03/2027	Cut Tape £1.55 £1.14 £1.05 £0.934 Reel £0.811 View £0.882 £0.849 £0.826 £0.796 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	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-PCF8574ADW A 595- A 595-PCF8574ADW PCF8574ADWR Texas Instruments 1: £1.20 2,877In Stock 5,715Expected 03/11/2026	Mfr. Part No. PCF8574ADWR Mouser Part No 595-PCF8574ADWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW	Datasheet	2,877In Stock 5,715Expected 03/11/2026	Cut Tape £1.20 £0.871 £0.796 £0.702 Reel £0.588 View £0.66 £0.635 £0.629 £0.575 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	SMD/SMT	SOIC-16	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 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW PCF8574APWR Texas Instruments 1: £1.20 183In Stock 22,000On Order	Mfr. Part No. PCF8574APWR Mouser Part No 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. No: PCF8574APWR Stock: 183 Can Dispatch Immediately On Order: 10,000 Expected 25/12/2026 12,000 Expected 11/02/2027 Factory Lead Time: 12 Weeks	Cut Tape £1.20 £0.871 £0.796 £0.702 Reel £0.601 View £0.66 £0.635 £0.629 £0.575 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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574ARGYR Texas Instruments 1: £1.92 761In Stock	Mfr. Part No. PCF8574ARGYR Mouser Part No 595-PCF8574ARGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	761In Stock	Cut Tape £1.92 £1.43 £1.32 £1.17 Reel £0.986 View £1.11 £1.10 £0.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8574A	SMD/SMT	VQFN-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 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW PCF8574PWR Texas Instruments 1: £1.37 1,272In Stock 6,000Expected 12/04/2027	Mfr. Part No. PCF8574PWR Mouser Part No 595-PCF8574PWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW	Datasheet	1,272In Stock 6,000Expected 12/04/2027	Cut Tape £1.37 £1.00 £0.917 £0.818 Reel £0.707 View £0.766 £0.737 £0.734 £0.691 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 Remote 8-Bit I2C and SMBus LP I/O Exp PCA9557RGVR Texas Instruments 1: £1.52 27,357On Order	Mfr. Part No. PCA9557RGVR Mouser Part No 595-PCA9557RGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and SMBus LP I/O Exp Learn More about Texas Instruments ti pca95xx	Datasheet	27,357On Order On Order Ship Dates Mfr. No: PCA9557RGVR Stock: 0 On Order: 2,357 Expected 10/12/2026 5,000 Expected 21/12/2026 10,000 Expected 25/12/2026 10,000 Expected 14/01/2027 Factory Lead Time: 12 Weeks	Cut Tape £1.52 £1.12 £1.02 £0.89 Reel £0.746 View £0.841 £0.811 £0.796 £0.725 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9557	SMD/SMT	VQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	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-PCF8574DW A 595-P A 595-PCF8574DW PCF8574DWR Texas Instruments 1: £1.54 15,435Expected 23/11/2026	Mfr. Part No. PCF8574DWR Mouser Part No 595-PCF8574DWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574DW A 595-P A 595-PCF8574DW	Datasheet	15,435Expected 23/11/2026	Cut Tape £1.54 £1.14 £1.04 £0.925 Reel £0.788 View £0.871 £0.841 £0.826 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	SOIC-16	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 Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574APWR PCF8574APWRE4 Texas Instruments 1: £1.20 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. PCF8574APWRE4 Mouser Part No 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 £1.20 £0.882 £0.796 £0.705 Reel £0.619 View £0.663 £0.636 £0.629 £0.605 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: £0.619 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. PCF8574APWRG4 Mouser Part No 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 £0.619 £0.605	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
Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574N PCF8574NE4 Texas Instruments 600: £1.08 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. PCF8574NE4 Mouser Part No 595-PCF8574NE4	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574N	Datasheet	Non-Stocked Lead-Time 12 Weeks	£1.08	Min.: 600 Mult.: 25	PCF8574	Through Hole	PDIP-16		8 I/O		2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Tube

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