Interface - I/O Expanders

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I/O Expanders

Diodes Incorporated I/O Expanders provide up to 16-bits of General Purpose Input/Output (GPIO) expansion for I²C-bus/SMBus applications. These expanders include up to two 8-bit registers to configure the input and output. Diodes Incorporated I/O expanders also include up to two dedicated 8-bit registers to configure the polarity. The data for each input or output is kept in the corresponding input port or output port registers. These registers can be read by the system master. The I/O expanders feature high driving capability, low power supply, individual I/O configuration, 5V tolerance, and smaller packaging. These expanders provide a simple solution when additional I/O is needed for ACPI power switches, sensors, pushbuttons, LEDs, and fans.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SEK) 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 16-bit I2C and SMBus Port PI4IOE5V9535ZDEX Diodes Incorporated 1: 14,74 kr 19 507In Stock	Mfr. Part No. PI4IOE5V9535ZDEX Mouser Part No 729-PI4IOE5V9535ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	19 507In Stock	Cut Tape 14,74 kr 10,74 kr 9,78 kr 8,64 kr 8,12 kr Reel 8,12 kr MouseReel Available	Min.: 1 Mult.: 1 Max.: 410 : 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 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555LEX Diodes Incorporated 1: 13,05 kr 3 423In Stock	Mfr. Part No. PI4IOE5V9555LEX Mouser Part No 729-PI4IOE5V9555LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	3 423In Stock	Cut Tape 13,05 kr 9,36 kr 8,47 kr 7,67 kr 7,22 kr Reel 7,22 kr	Min.: 1 Mult.: 1 Max.: 340 : 3 000	PIO4IO	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	4 kV
Interface - I/O Expanders 48-bit I2C-bus I/O Expander PI4IOE5V96248ZLEX Diodes Incorporated 1: 27,68 kr 6 567In 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	6 567In Stock	Cut Tape 27,68 kr 20,59 kr 18,34 kr 16,99 kr Reel 16,99 kr 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 16-bit I2C and SMBus Port PI4IOE5V9535LEX Diodes Incorporated 1: 13,84 kr 5 485In 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 485In Stock	Cut Tape 13,84 kr 10,06 kr 8,81 kr 8,02 kr 7,75 kr Reel 7,75 kr 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 8-bit I2C and SMBus IO Port PI4IOE5V9554LEX Diodes Incorporated 1: 13,16 kr 2 904In Stock 2 500Expected 2027-04-16	Mfr. Part No. PI4IOE5V9554LEX Mouser Part No 729-PI4IOE5V9554LEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2 904In Stock 2 500Expected 2027-04-16	Cut Tape 13,16 kr 9,46 kr 8,31 kr 7,57 kr 7,32 kr Reel 7,32 kr	Min.: 1 Mult.: 1 Max.: 460 : 2 500	PIO4IO	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	4 kV
Interface - I/O Expanders 24-bit I2C-bus I/O Expander PI4IOE5V96224ZLEX Diodes Incorporated 1: 23,85 kr 122In Stock 38 150On Order	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	122In Stock 38 150On Order On Order Ship Dates Mfr. No: PI4IOE5V96224ZLEX Stock: 122 Can Dispatch Immediately On Order: 6 650 Expected 2026-11-09 31 500 Expected 2027-01-18 Factory Lead Time: 48 Weeks	Cut Tape 23,85 kr 17,66 kr 15,64 kr 14,40 kr View Reel 12,15 kr 14,06 kr 13,84 kr 13,50 kr 12,15 kr 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 4-bit I2C and SMBus low power I/O port PI4IOE5V9536UEX Diodes Incorporated 1: 12,26 kr 429In 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	429In Stock	Cut Tape 12,26 kr 8,85 kr 7,77 kr 7,08 kr Reel 7,08 kr 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 PI4IOE5V9539LE Diodes Incorporated 1: 14,06 kr 41In Stock	Mfr. Part No. PI4IOE5V9539LE Mouser Part No 729-PI4IOE5V9539LE	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	41In Stock	14,06 kr 10,16 kr 8,75 kr 7,62 kr View 7,39 kr 7,25 kr 7,10 kr 7,02 kr 6,94 kr	Min.: 1 Mult.: 1	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	Tube
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539LEX Diodes Incorporated 1: 14,06 kr 237In Stock 3 000Expected 2027-12-08	Mfr. Part No. PI4IOE5V9539LEX Mouser Part No 729-PI4IOE5V9539LEX	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	237In Stock 3 000Expected 2027-12-08	Cut Tape 14,06 kr 10,16 kr 8,89 kr 8,11 kr View Reel 6,46 kr 7,84 kr 7,67 kr 7,50 kr 6,46 kr	Min.: 1 Mult.: 1 : 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
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539ZDEX Diodes Incorporated 1: 14,06 kr 2 445In Stock 7 000Expected 2026-12-18	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 445In Stock 7 000Expected 2026-12-18	Cut Tape 14,06 kr 10,16 kr 8,89 kr 8,11 kr 7,84 kr Reel 7,84 kr 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 and SMBus IO Port PI4IOE5V9554ALEX Diodes Incorporated 1: 12,15 kr 1 411In Stock 2 500Expected 2027-10-20	Mfr. Part No. PI4IOE5V9554ALEX Mouser Part No 729-PI4IOE5V9554ALEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1 411In Stock 2 500Expected 2027-10-20	Cut Tape 12,15 kr 8,75 kr 7,66 kr 6,96 kr Reel 6,96 kr MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2 500	PIO4IO	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	4 kV
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LE Diodes Incorporated 1: 13,05 kr 138In Stock	Mfr. Part No. PI4IOE5V9554LE Mouser Part No 729-PI4IOE5V9554LE	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	138In Stock	13,05 kr 9,44 kr 8,39 kr 8,15 kr View 7,07 kr 6,77 kr 6,47 kr 6,29 kr 6,14 kr	Min.: 1 Mult.: 1	PIO4IO	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	4 kV
Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555ZDEX Diodes Incorporated 1: 15,98 kr 1 933In Stock 7 000Expected 2027-01-18	Mfr. Part No. PI4IOE5V9555ZDEX Mouser Part No 729-PI4IOE5V9555ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1 933In Stock 7 000Expected 2027-01-18	Cut Tape 15,98 kr 11,70 kr 9,97 kr 9,36 kr Reel 9,36 kr MouseReel Available	Min.: 1 Mult.: 1 Max.: 620 : 3 500	PIO4IO	SMD/SMT	TQFN-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	4 kV
Interface - I/O Expanders 8-bit I2C and SMBus low power I/O port PI4IOE5V9538LE Diodes Incorporated 1: 12,49 kr Non-Stocked Lead-Time 52 Weeks	Mfr. Part No. PI4IOE5V9538LE Mouser Part No 729-PI4IOE5V9538LE	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	Non-Stocked Lead-Time 52 Weeks	12,49 kr 9,01 kr 7,68 kr 7,43 kr	Min.: 1 Mult.: 1	PIO4IO	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	4 kV
Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555LE Diodes Incorporated 1: 13,39 kr Non-Stocked Lead-Time 52 Weeks	Mfr. Part No. PI4IOE5V9555LE Mouser Part No 729-PI4IOE5V9555LE	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	Non-Stocked Lead-Time 52 Weeks	13,39 kr 9,68 kr 8,25 kr	Min.: 1 Mult.: 1	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube

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