.hide-partial { max-height: none; } .show-more { display: none; }

Interface - I/O Expanders

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 599

Applied Filters:

Manufacturer

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package PCA9557PW,118 NXP Semiconductors 1: £1.82 992In Stock 32,500Expected 21/12/2026	Mfr. Part No. PCA9557PW,118 Mouser Part No 771-PCA9557PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package	Datasheet	992In Stock 32,500Expected 21/12/2026	Cut Tape £1.82 £1.34 £1.22 £1.10 View Reel £0.863 £1.04 £1.03 £0.863 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9557	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package PCAL6408AEX1Z NXP Semiconductors 1: £1.14 192In Stock 15,000On Order	Mfr. Part No. PCAL6408AEX1Z Mouser Part No 771-PCAL6408AEX1Z	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	192In Stock 15,000On Order	Cut Tape £1.14 £0.882 £0.759 £0.673 View Reel £0.563 £0.632 £0.60 £0.563 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	PCAL6408A	SMD/SMT	X2QFN-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 Mobile I/O Companion Key-Scan LM8333FLQ8Y/NOPB Texas Instruments 1: £3.81 158In Stock	Mfr. Part No. LM8333FLQ8Y/NOPB Mouser Part No 926-LM8333FLQ8Y/NOPB	Texas Instruments	Interface - I/O Expanders Mobile I/O Companion Key-Scan	Datasheet	158In Stock	Cut Tape £3.81 £2.90 £2.77 £2.51 Reel £2.24 View £2.17 £2.13 £2.11 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8333	SMD/SMT	WQFN-32	I2C, Serial	4 I/O	With Interrupt	2.25 V	2.9 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	8 kV
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMEL CS82C55AZ96 Renesas / Intersil 1: £17.39 10In Stock 1,000Expected 02/02/2027	Mfr. Part No. CS82C55AZ96 Mouser Part No 968-CS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMEL	Datasheet	10In Stock 1,000Expected 02/02/2027	Cut Tape £17.39 £14.48 £13.50 £12.43 View Reel £11.21 £11.22 £11.21 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	With Interrupt	4.5 V	5.5 V	8 MHz	0 C	+ 70 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC INDEL IS82C55AZ96 Renesas / Intersil 1: £31.99 461In Stock	Mfr. Part No. IS82C55AZ96 Mouser Part No 968-IS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC INDEL	Datasheet	461In Stock	Cut Tape £31.99 £25.74 £24.19 £22.87 View Reel £21.48 £21.99 £21.48 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	With Interrupt	4.5 V	5.5 V	8 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	1 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB PCA9534ADBR Texas Instruments 1: £3.00 403In Stock End of Life	Mfr. Part No. PCA9534ADBR Mouser Part No 595-PCA9534ADBR End of Life	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB	Datasheet	403In Stock	Cut Tape £3.00 £2.27 £2.08 £1.88 View Reel £1.65 £1.79 £1.77 £1.67 £1.65 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534A	SMD/SMT	SSOP-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 NCA6416BY-Q100/SOT8041/HWQFN24 NCA6416BY-Q100HP Nexperia 1: £1.33 50In Stock New Product	Mfr. Part No. NCA6416BY-Q100HP Mouser Part No 771-NCA6416BY-Q100HP New Product	Nexperia	Interface - I/O Expanders NCA6416BY-Q100/SOT8041/HWQFN24 Learn More about Nexperia nca6416 io expanders	Datasheet	50In Stock	Cut Tape £1.33 £0.978 £0.89 £0.796 Reel £0.684 View £0.743 £0.716 £0.712 £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000												Reel, Cut Tape, MouseReel
Interface - I/O Expanders 10 Chnl Keypad controller &GPIO expander ADP5585ACBZ-00-R7 Analog Devices 1: £1.21 9In Stock	Mfr. Part No. ADP5585ACBZ-00-R7 Mouser Part No 584-ADP5585ACBZ-00R7	Analog Devices	Interface - I/O Expanders 10 Chnl Keypad controller &GPIO expander	Datasheet	9In Stock	Cut Tape £1.21 £1.19 £1.18 £1.18 MouseReel Available	Min.: 1 Mult.: 1	ADP5585	SMD/SMT	WLCSP-16	I2C, Serial	10 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 10 GPIO/Key Controller ADP5585ACPZ-00-R7 Analog Devices 1: £2.41 662In Stock	Mfr. Part No. ADP5585ACPZ-00-R7 Mouser Part No 584-ADP5585ACPZ-00R7	Analog Devices	Interface - I/O Expanders 10 GPIO/Key Controller	Datasheet	662In Stock	Cut Tape £2.41 £1.81 £1.66 £1.49 View £1.41 £1.40 £1.40 MouseReel Available	Min.: 1 Mult.: 1 Max.: 529	ADP5585	SMD/SMT	LFCSP-16	I2C, Serial	10 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus DS4520E+ Analog Devices / Maxim Integrated 1: £5.11 273In Stock	Mfr. Part No. DS4520E+ Mouser Part No 700-DS4520E	Analog Devices / Maxim Integrated	Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	273In Stock	£5.11 £3.92 £3.62 £3.28	Min.: 1 Mult.: 1 Max.: 218	DS4520E	SMD/SMT	TSSOP-16	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 I C and JTAG Nonvolatile 9-Bit I/O Expan DS4550E+ Analog Devices / Maxim Integrated 1: £6.69 112In Stock	Mfr. Part No. DS4550E+ Mouser Part No 700-DS4550E	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan	Datasheet	112In Stock	£6.69 £5.18 £4.80 £4.38	Min.: 1 Mult.: 1 Max.: 89	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 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300ATL+ Analog Devices / Maxim Integrated 1: £14.68 103In Stock	Mfr. Part No. MAX7300ATL+ Mouser Part No 700-MAX7300ATL+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	103In Stock	£14.68 £11.90 £10.11	Min.: 1 Mult.: 1 Max.: 82	MAX7300	SMD/SMT	TQFN-EP-40	I2C, Serial	20 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301ATL+ Analog Devices / Maxim Integrated 1: £11.77 89In Stock	Mfr. Part No. MAX7301ATL+ Mouser Part No 700-MAX7301ATL	Analog Devices / Maxim Integrated	Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	89In Stock	£11.77 £9.13 £8.33 £8.01 View £7.70 £7.50 £7.34 Quote	Min.: 1 Mult.: 1	MAX7301	SMD/SMT	TQFN-40	Serial, SPI	28 I/O	With Interrupt	2.5 V	5.5 V	26 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AEE+ Analog Devices / Maxim Integrated 1: £6.34 95In Stock	Mfr. Part No. MAX7310AEE+ Mouser Part No 700-MAX7310AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	95In Stock	£6.34 £4.88 £4.52 £3.83 View £3.72 £3.71 £3.61 £3.45 Quote	Min.: 1 Mult.: 1	MAX7310	SMD/SMT	QSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	With ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AUE+ Analog Devices / Maxim Integrated 1: £6.34 124In Stock	Mfr. Part No. MAX7310AUE+ Mouser Part No 700-MAX7310AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	124In Stock	£6.34 £4.88 £4.52 £4.11	Min.: 1 Mult.: 1 Max.: 99	MAX7310	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	With ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AAG+ Analog Devices / Maxim Integrated 1: £9.01 63In Stock	Mfr. Part No. MAX7311AAG+ Mouser Part No 700-MAX7311AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	63In Stock	£9.01 £7.05 £6.57 £6.03 View £5.76 £5.45 £5.29 Quote	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+T Analog Devices / Maxim Integrated 1: £5.59 17In Stock	Mfr. Part No. MAX7311AWG+T Mouser Part No 700-MAX7311AWGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	17In Stock	Cut Tape £5.59 £5.46 £5.45 £5.45 MouseReel Available	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312ATG+ Analog Devices / Maxim Integrated 1: £7.11 212In Stock	Mfr. Part No. MAX7312ATG+ Mouser Part No 700-MAX7312ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	212In Stock	£7.11 £5.53 £5.14 £4.70	Min.: 1 Mult.: 1 Max.: 169	MAX7312	SMD/SMT	TQFN-24	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity MAX7313ATG+ Analog Devices / Maxim Integrated 1: £7.21 2In Stock	Mfr. Part No. MAX7313ATG+ Mouser Part No 700-MAX7313ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 16-Port I/O Expander with LED Intensity	Datasheet	2In Stock	£7.21 £5.60 £5.20 £4.76 View £4.51 £4.43 £4.32 £4.08 Quote	Min.: 1 Mult.: 1	MAX7313	SMD/SMT	TQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 18-Port GPIO with LED Intensity Control, MAX7314AEG+ Analog Devices / Maxim Integrated 1: £7.47 10In Stock	Mfr. Part No. MAX7314AEG+ Mouser Part No 700-MAX7314AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 18-Port GPIO with LED Intensity Control,	Datasheet	10In Stock	£7.47 £5.82 £4.94 £4.93 View £4.53 £4.44 £4.30 £4.12	Min.: 1 Mult.: 1	MAX7314	SMD/SMT	QSOP-24	I2C, Serial	18 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C MAX7315ATE+ Analog Devices / Maxim Integrated 1: £4.85 215In Stock	Mfr. Part No. MAX7315ATE+ Mouser Part No 700-MAX7315ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C	Datasheet	215In Stock	£4.85 £3.71 £3.43 £2.91	Min.: 1 Mult.: 1 Max.: 172	MAX7315	SMD/SMT	TQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C MAX7315AUE+ Analog Devices / Maxim Integrated 1: £5.11 5In Stock	Mfr. Part No. MAX7315AUE+ Mouser Part No 700-MAX7315AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C	Datasheet	5In Stock	£5.11 £3.92 £3.62 £3.28 View £3.13 £3.03 £2.99 £2.96	Min.: 1 Mult.: 1	MAX7315	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with MAX7317AEE+ Analog Devices / Maxim Integrated 1: £6.34 139In Stock	Mfr. Part No. MAX7317AEE+ Mouser Part No 700-MAX7317AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	139In Stock	£6.34 £4.88 £4.52 £3.83	Min.: 1 Mult.: 1 Max.: 111	MAX7317	SMD/SMT	QSOP-16	Serial, SPI	10 I/O	Without Interrupt	2.25 V	3.6 V	26 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with MAX7317ATE+ Analog Devices / Maxim Integrated 1: £5.03 200In Stock	Mfr. Part No. MAX7317ATE+ Mouser Part No 700-MAX7317ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	200In Stock	£5.03 £4.41 £4.08 £3.46	Min.: 1 Mult.: 1 Max.: 160	MAX7317	SMD/SMT	TQFN-16	Serial, SPI	10 I/O	Without Interrupt	2.25 V	3.6 V	26 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa MAX7318AAG+ Analog Devices / Maxim Integrated 1: £6.60 19In Stock	Mfr. Part No. MAX7318AAG+ Mouser Part No 700-MAX7318AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	19In Stock	£6.60 £5.12 £4.48 £4.30 View £4.11 £3.98 £3.85 £3.75	Min.: 1 Mult.: 1	MAX7318	SMD/SMT	SSOP-24	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection