Interface - I/O Expanders – Mouser Liechtenstein

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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 (CHF) 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: CHF 1.23 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 CHF 1.23 CHF 0.894 CHF 0.813 CHF 0.719 CHF 0.676 Reel CHF 0.676 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: CHF 1.09 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 CHF 1.09 CHF 0.779 CHF 0.705 CHF 0.638 CHF 0.601 Reel CHF 0.601	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: CHF 2.30 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 CHF 2.30 CHF 1.71 CHF 1.53 CHF 1.41 Reel CHF 1.41 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: CHF 1.15 5’389In 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	5’389In Stock	Cut Tape CHF 1.15 CHF 0.837 CHF 0.733 CHF 0.667 CHF 0.645 Reel CHF 0.645 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: CHF 1.10 2’287In Stock 2’500On Order	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	2’287In Stock 2’500On Order	Cut Tape CHF 1.10 CHF 0.787 CHF 0.692 CHF 0.63 CHF 0.609 Reel CHF 0.609	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: CHF 1.98 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 11/9/2026 31’500 Expected 1/18/2027 Factory Lead Time: 48 Weeks	Cut Tape CHF 1.98 CHF 1.47 CHF 1.30 CHF 1.20 View Reel CHF 1.01 CHF 1.17 CHF 1.15 CHF 1.12 CHF 1.01 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: CHF 1.02 428In 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	428In Stock	Cut Tape CHF 1.02 CHF 0.737 CHF 0.647 CHF 0.589 Reel CHF 0.589 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: CHF 1.17 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	CHF 1.17 CHF 0.845 CHF 0.728 CHF 0.634 View CHF 0.615 CHF 0.603 CHF 0.591 CHF 0.584 CHF 0.578	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: CHF 1.17 809In Stock 3’000On Order	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	809In Stock 3’000On Order	Cut Tape CHF 1.17 CHF 0.845 CHF 0.739 CHF 0.675 View Reel CHF 0.537 CHF 0.652 CHF 0.638 CHF 0.624 CHF 0.537	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: CHF 1.17 865In Stock 7’000Expected 3/6/2028	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	865In Stock 7’000Expected 3/6/2028	Cut Tape CHF 1.17 CHF 0.845 CHF 0.739 CHF 0.675 CHF 0.652 Reel CHF 0.652 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: CHF 1.01 1’411In Stock 2’500Expected 10/20/2027	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 10/20/2027	Cut Tape CHF 1.01 CHF 0.728 CHF 0.637 CHF 0.579 Reel CHF 0.579 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: CHF 1.09 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	CHF 1.09 CHF 0.785 CHF 0.698 CHF 0.678 View CHF 0.588 CHF 0.563 CHF 0.538 CHF 0.523 CHF 0.511	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: CHF 1.33 1’925In Stock 7’000Expected 3/17/2028	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	1’925In Stock 7’000Expected 3/17/2028	Cut Tape CHF 1.33 CHF 0.973 CHF 0.829 CHF 0.779 Reel CHF 0.779 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: CHF 1.04 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	CHF 1.04 CHF 0.75 CHF 0.639 CHF 0.618	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: CHF 1.11 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	CHF 1.11 CHF 0.805 CHF 0.686	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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