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Reel 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 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536BDTMR Texas Instruments 1: £1.34 5,943In Stock	Mfr. Part No. TCA9536BDTMR Mouser Part No 595-TCA9536BDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,943In Stock	Cut Tape £1.34 £0.986 £0.89 £0.796 View Reel £0.645 £0.746 £0.718 £0.715 £0.691 £0.645 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536CDTMR Texas Instruments 1: £1.34 2,314In Stock	Mfr. Part No. TCA9536CDTMR Mouser Part No 595-TCA9536CDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	2,314In Stock	Cut Tape £1.34 £0.986 £0.89 £0.796 View Reel £0.656 £0.747 £0.718 £0.715 £0.671 £0.656 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DGKR Texas Instruments 1: £1.27 5,726In Stock 7,500Expected 14/06/2027	Mfr. Part No. TCA9536DGKR Mouser Part No 595-TCA9536DGKR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,726In Stock 7,500Expected 14/06/2027	Cut Tape £1.27 £0.934 £0.841 £0.746 Reel £0.625 View £0.70 £0.673 £0.667 £0.611 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TCA9536	SMD/SMT	VSSOP-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DTMR Texas Instruments 1: £1.34 3,963In Stock	Mfr. Part No. TCA9536DTMR Mouser Part No 595-TCA9536DTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	3,963In Stock	Cut Tape £1.34 £0.986 £0.89 £0.796 View Reel £0.655 £0.746 £0.718 £0.715 £0.691 £0.655 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander TCA9539PWR Texas Instruments 1: £1.47 12,513In Stock 14,000Expected 01/03/2027	Mfr. Part No. TCA9539PWR Mouser Part No 595-TCA9539PWR	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander	Datasheet	12,513In Stock 14,000Expected 01/03/2027	Cut Tape £1.47 £1.08 £0.986 £0.882 Reel £0.743 View £0.826 £0.796 £0.726 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16bit I2C and SMBux TCA9539RGER Texas Instruments 1: £2.01 7,651In Stock	Mfr. Part No. TCA9539RGER Mouser Part No 595-TCA9539RGER	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C and SMBux	Datasheet	7,651In Stock	Cut Tape £2.01 £1.50 £1.37 £1.23 Reel £1.07 View £1.16 £1.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA9539	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander TCA9554ADBQR Texas Instruments 1: £1.20 3,830In Stock	Mfr. Part No. TCA9554ADBQR Mouser Part No 595-TCA9554ADBQR	Texas Instruments	Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	3,830In Stock	Cut Tape £1.20 £0.882 £0.803 £0.709 Reel £0.609 View £0.667 £0.641 £0.636 £0.582 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TCA9554A	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9554DBR Texas Instruments 1: £1.42 2,019In Stock	Mfr. Part No. TCA9554DBR Mouser Part No 595-TCA9554DBR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	2,019In Stock	Cut Tape £1.42 £1.05 £0.952 £0.849 Reel £0.737 View £0.803 £0.773 £0.766 £0.702 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT TCA9554DWR Texas Instruments 1: £1.33 4,500In Stock	Mfr. Part No. TCA9554DWR Mouser Part No 595-TCA9554DWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	4,500In Stock	Cut Tape £1.33 £0.978 £0.882 £0.788 View Reel £0.65 £0.738 £0.711 £0.705 £0.65 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554	SMD/SMT	SOIC-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander TCA9554PWR Texas Instruments 1: £1.31 9,289In Stock	Mfr. Part No. TCA9554PWR Mouser Part No 595-TCA9554PWR	Texas Instruments	Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	9,289In Stock	Cut Tape £1.31 £0.952 £0.863 £0.766 Reel £0.642 View £0.722 £0.694 £0.685 £0.628 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT TCA9555DBR Texas Instruments 1: £1.69 3,338In Stock	Mfr. Part No. TCA9555DBR Mouser Part No 595-TCA9555DBR	Texas Instruments	Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT Learn More about Texas Instruments ti tca9555 io expander	Datasheet	3,338In Stock	Cut Tape £1.69 £1.26 £1.14 £1.02 Reel £0.89 View £0.96 £0.934 £0.917 £0.849 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9555	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders SDIO Port Expander TXS02612RTWR Texas Instruments 1: £1.40 10,095In Stock 27,000On Order	Mfr. Part No. TXS02612RTWR Mouser Part No 595-TXS02612RTWR	Texas Instruments	Interface - I/O Expanders SDIO Port Expander	Datasheet	10,095In Stock 27,000On Order On Order Ship Dates Mfr. No: TXS02612RTWR Stock: 10,095 Can Dispatch Immediately On Order: 3,000 Expected 21/12/2026 3,000 Expected 21/01/2027 21,000 Expected 25/02/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.40 £1.03 £0.943 £0.826 Reel £0.693 View £0.78 £0.748 £0.744 £0.678 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TXS02612	SMD/SMT	WQFN-24	Parallel	4 I/O	Without Interrupt	1.1 V	3.6 V	60 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416Q2LEX Diodes Incorporated 1: £1.81 2,298In Stock	Mfr. Part No. PI4IOE5V6416Q2LEX Mouser Part No 621-I4IOE5V6416Q2LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416q io expander	Datasheet	2,298In Stock	Cut Tape £1.81 £1.34 £1.17 £1.09 Reel £0.882 View £1.07 £1.06 £0.871 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416AQ2LEX Diodes Incorporated 1: £2.00 2,901In Stock	Mfr. Part No. PI4IOE5V6416AQ2LEX Mouser Part No 621-PI4IOE5V6416AQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K	Datasheet	2,901In Stock	Cut Tape £2.00 £1.48 £1.32 £1.21 Reel £0.969 View £1.18 £1.15 £1.13 £0.96	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24									Reel, Cut Tape
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416RQ2LEX Diodes Incorporated 1: £1.95 3,888In Stock	Mfr. Part No. PI4IOE5V6416RQ2LEX Mouser Part No 621-PI4IOE5V6416RQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416rq io expander	Datasheet	3,888In Stock	Cut Tape £1.95 £1.44 £1.27 £1.17 View Reel £0.995 £1.14 £1.12 £1.10 £0.995 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24				1.65 V	5.5 V		- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K PI4IOE5V9554ZHEX Diodes Incorporated 1: £0.834 9,219In Stock 12,403On Order	Mfr. Part No. PI4IOE5V9554ZHEX Mouser Part No 621-PI4IOE5V9554ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v9554 8 bit expander	Datasheet	9,219In Stock 12,403On Order On Order Ship Dates Mfr. No: PI4IOE5V9554ZHEX Stock: 9,219 Can Dispatch Immediately On Order: 1,903 Pending 10,500 Expected 25/12/2026 Factory Lead Time: 48 Weeks	Cut Tape £0.834 £0.602 £0.542 £0.477 View Reel £0.395 £0.446 £0.426 £0.413 £0.395	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500		SMD/SMT	TQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape
Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int CAT9555YI-T2 onsemi 1: £1.15 16,461In Stock	Mfr. Part No. CAT9555YI-T2 Mouser Part No 698-CAT9555YI-T2	onsemi	Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int	Datasheet	16,461In Stock	Cut Tape £1.15 £0.841 £0.766 £0.674 View Reel £0.523 £0.633 £0.616 £0.523 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	CAT9555	SMD/SMT	TSSOP-24	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 I/O Expander PI4IOE5V6408ZTAEX Diodes Incorporated 1: £0.646 9,310In Stock 9,000Expected 30/08/2027	Mfr. Part No. PI4IOE5V6408ZTAEX Mouser Part No 729-I4IOE5V6408ZTAEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C-bus I/O Expander	Datasheet	9,310In Stock 9,000Expected 30/08/2027	Cut Tape £0.646 £0.452 £0.394 £0.355 View Reel £0.334 £0.342 £0.334 £0.334 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3,000	PIO4IO	SMD/SMT	UQFN-16	I2C, Serial	8 I/O	With Interrupt	1.65 V	3.6 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 24-bit I2C-bus I/O Expander PI4IOE5V96224ZLEX Diodes Incorporated 1: £1.85 4,142In Stock 31,500Expected 18/01/2027	Mfr. Part No. PI4IOE5V96224ZLEX Mouser Part No 729-I4IOE5V96224ZLEX	Diodes Incorporated	Interface - I/O Expanders 24-bit I2C-bus I/O Expander Learn More about Diodes Incorporated pericom io expanders	Datasheet	4,142In Stock 31,500Expected 18/01/2027	Cut Tape £1.85 £1.37 £1.21 £1.12 View Reel £0.943 £1.09 £1.07 £1.05 £0.943 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	PIO4IO	SMD/SMT	TQFN-32	I2C, Serial	24 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 48-bit I2C-bus I/O Expander PI4IOE5V96248ZLEX Diodes Incorporated 1: £2.15 5,991In Stock	Mfr. Part No. PI4IOE5V96248ZLEX Mouser Part No 729-I4IOE5V96248ZLEX	Diodes Incorporated	Interface - I/O Expanders 48-bit I2C-bus I/O Expander Learn More about Diodes Incorporated pericom io expanders	Datasheet	5,991In Stock	Cut Tape £2.15 £1.60 £1.42 £1.32 Reel £1.32 MouseReel Available	Min.: 1 Mult.: 1 Max.: 200 : 3,000	PIO4IO	SMD/SMT	TQFN-56	I2C, Serial	48 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders Interface IO Expandr PI4IOE5V6416LEX Diodes Incorporated 1: £1.07 6,131In Stock	Mfr. Part No. PI4IOE5V6416LEX Mouser Part No 729-PI4IOE5V6416LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expandr Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	6,131In Stock	Cut Tape £1.07 £0.796 £0.701 £0.644 £0.625 Reel £0.625	Min.: 1 Mult.: 1 Max.: 410 : 3,000	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape	2 kV
Interface - I/O Expanders 16-bit I2C and SMBus Port PI4IOE5V9535LEX Diodes Incorporated 1: £1.07 5,095In Stock	Mfr. Part No. PI4IOE5V9535LEX Mouser Part No 729-PI4IOE5V9535LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	5,095In Stock	Cut Tape £1.07 £0.78 £0.684 £0.622 £0.601 Reel £0.601 MouseReel Available	Min.: 1 Mult.: 1 Max.: 260 : 3,000	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 4-bit I2C and SMBus low power I/O port PI4IOE5V9536UEX Diodes Incorporated 1: £0.952 4,619In Stock	Mfr. Part No. PI4IOE5V9536UEX Mouser Part No 729-PI4IOE5V9536UEX	Diodes Incorporated	Interface - I/O Expanders 4-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	4,619In Stock	Cut Tape £0.952 £0.687 £0.603 £0.549 Reel £0.549 MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2,500	PIO4IO	SMD/SMT	MSOP-8	I2C, Serial, SMBus	4 I/O	Without Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539ZDEX Diodes Incorporated 1: £1.09 2,368In Stock 7,000Expected 18/12/2026	Mfr. Part No. PI4IOE5V9539ZDEX Mouser Part No 729-PI4IOE5V9539ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2,368In Stock 7,000Expected 18/12/2026	Cut Tape £1.09 £0.788 £0.69 £0.629 £0.608 Reel £0.608 MouseReel Available	Min.: 1 Mult.: 1 Max.: 460 : 3,500	PIO4IO	SMD/SMT	TQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package PCA6408ABSHP NXP Semiconductors 1: £1.05 6,311In Stock 12,000Expected 17/05/2027	Mfr. Part No. PCA6408ABSHP Mouser Part No 771-PCA6408ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	6,311In Stock 12,000Expected 17/05/2027	Cut Tape £1.05 £0.759 £0.686 £0.608 View Reel £0.501 £0.571 £0.549 £0.533 £0.526 £0.501 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA6408A	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV