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

PIO4IO Series Interface - I/O Expanders

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

Results: 19

Applied Filters:

Series = PIO4IO

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

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 (USD) 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: $1.98 19,776In Stock	Mfr. Part # PI4IOE5V9535ZDEX Mouser Part # 729-PI4IOE5V9535ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	19,776In Stock	Cut Tape $1.98 $1.44 $1.31 $1.16 $1.09 Reel $1.09 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: $1.78 3,423In Stock	Mfr. Part # PI4IOE5V9555LEX Mouser Part # 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 $1.78 $1.33 $1.14 $1.06 $1.02 Reel $1.02	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 8-bit I2C-bus I/O Expander PI4IOE5V6408ZTAEX Diodes Incorporated 1: $1.12 3,786In Stock 9,000Expected 10/30/2026	Mfr. Part # PI4IOE5V6408ZTAEX Mouser Part # 729-I4IOE5V6408ZTAEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C-bus I/O Expander	Datasheet	3,786In Stock 9,000Expected 10/30/2026	Cut Tape $1.12 $0.783 $0.681 $0.615 View Reel $0.579 $0.593 $0.579 $0.579 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 48-bit I2C-bus I/O Expander PI4IOE5V96248ZLEX Diodes Incorporated 1: $3.72 6,174In Stock	Mfr. Part # PI4IOE5V96248ZLEX Mouser Part # 729-I4IOE5V96248ZLEX	Diodes Incorporated	Interface - I/O Expanders 48-bit I2C-bus I/O Expander Learn More about Diodes Incorporated pericom io expanders	Datasheet	6,174In Stock	Cut Tape $3.72 $2.77 $2.47 $2.28 Reel $2.28 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: $1.85 6,120In Stock	Mfr. Part # PI4IOE5V6416LEX Mouser Part # 729-PI4IOE5V6416LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expandr Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	6,120In Stock	Cut Tape $1.85 $1.38 $1.21 $1.12 $1.08 Reel $1.08	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: $1.86 5,086In Stock	Mfr. Part # PI4IOE5V9535LEX Mouser Part # 729-PI4IOE5V9535LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	5,086In Stock	Cut Tape $1.86 $1.35 $1.18 $1.08 $1.04 Reel $1.04 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: $1.65 5,479In Stock	Mfr. Part # PI4IOE5V9536UEX Mouser Part # 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	5,479In Stock	Cut Tape $1.65 $1.19 $1.04 $0.95 Reel $0.95 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 PI4IOE5V9539LEX Diodes Incorporated 1: $1.89 2,276In Stock	Mfr. Part # PI4IOE5V9539LEX Mouser Part # 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	2,276In Stock	Cut Tape $1.89 $1.37 $1.19 $1.09 View Reel $0.867 $1.05 $1.03 $1.01 $0.867	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: $1.89 2,949In Stock 7,000Expected 3/6/2028	Mfr. Part # PI4IOE5V9539ZDEX Mouser Part # 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	2,949In Stock 7,000Expected 3/6/2028	Cut Tape $1.89 $1.37 $1.19 $1.09 $1.05 Reel $1.05 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: $1.64 2,706In Stock	Mfr. Part # PI4IOE5V9554ALEX Mouser Part # 729-PI4IOE5V9554ALEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2,706In Stock	Cut Tape $1.64 $1.18 $1.03 $0.936 Reel $0.936 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 PI4IOE5V9554LEX Diodes Incorporated 1: $1.77 2,951In Stock	Mfr. Part # PI4IOE5V9554LEX Mouser Part # 729-PI4IOE5V9554LEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2,951In Stock	Cut Tape $1.77 $1.27 $1.12 $1.02 $0.984 Reel $0.984	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 Interface IO Expander PI4IOE5V6416ZDEX Diodes Incorporated 1: $1.79 218In Stock 49,000On Order	Mfr. Part # PI4IOE5V6416ZDEX Mouser Part # 729-PI4IOE5V6416ZDEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	218In Stock 49,000On Order On Order Ship Dates Mfr. #: PI4IOE5V6416ZDEX Stock: 218 Can Ship Immediately On Order: 21,000 Expected 5/26/2027 28,000 Expected 3/6/2028 Factory Lead-Time: 48 Weeks	Cut Tape $1.79 $1.47 $1.18 $1.04 View Reel $0.954 $0.974 $0.954 $0.954 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	PIO4IO	SMD/SMT	TQFN-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-16 T&R 2.5K PI4IOE5V9538LEX Diodes Incorporated 1: $1.64 1,757In Stock	Mfr. Part # PI4IOE5V9538LEX Mouser Part # 729-PI4IOE5V9538LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K	Datasheet	1,757In Stock	Cut Tape $1.64 $1.18 $1.03 $0.936 View Reel $0.806 $0.904 $0.884 $0.87 $0.806 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PIO4IO	SMD/SMT	TSSOP-16									Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539LE Diodes Incorporated 1: $1.89 41In Stock	Mfr. Part # PI4IOE5V9539LE Mouser Part # 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	$1.89 $1.37 $1.18 $1.02 View $0.993 $0.974 $0.954 $0.943 $0.933	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 8-bit I2C and SMBus IO Port PI4IOE5V9554LE Diodes Incorporated 1: $1.76 138In Stock	Mfr. Part # PI4IOE5V9554LE Mouser Part # 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	$1.76 $1.27 $1.13 $1.09 View $0.949 $0.91 $0.87 $0.845 $0.826	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: $2.15 922In Stock 7,000Expected 3/17/2028	Mfr. Part # PI4IOE5V9555ZDEX Mouser Part # 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	922In Stock 7,000Expected 3/17/2028	Cut Tape $2.15 $1.57 $1.34 $1.26 Reel $1.26 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 24-bit I2C-bus I/O Expander PI4IOE5V96224ZLEX Diodes Incorporated 1: $2.98 38,500On Order	Mfr. Part # PI4IOE5V96224ZLEX Mouser Part # 729-I4IOE5V96224ZLEX	Diodes Incorporated	Interface - I/O Expanders 24-bit I2C-bus I/O Expander Learn More about Diodes Incorporated pericom io expanders	Datasheet	38,500On Order On Order Ship Dates Mfr. #: PI4IOE5V96224ZLEX Stock: 0 On Order: 7,000 Expected 12/16/2026 31,500 Expected 1/18/2027 Factory Lead-Time: 48 Weeks	Cut Tape $2.98 $2.50 $2.00 $1.79 View Reel $1.69 $1.77 $1.74 $1.72 $1.69 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 8-bit I2C and SMBus low power I/O port PI4IOE5V9538LE Diodes Incorporated 1: $1.68 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # PI4IOE5V9538LE Mouser Part # 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	$1.68 $1.21 $1.03 $0.997	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: $1.79 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # PI4IOE5V9555LE Mouser Part # 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	$1.79 $1.30 $1.11	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

PIO4IO Series Interface - I/O Expanders

Applied Filters:

Customer Service Office

Company

Resources

Support