Interface - I/O Expanders

Results: 628
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port
Datasheet
120In Stock
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
Nexperia Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24
Datasheet
5In Stock
2,500Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package
Datasheet
661In Stock
6,000Expected 10/19/2026
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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package
Datasheet
73In Stock
132,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

PCA6408A SMD/SMT XQFN-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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package
Datasheet
821In Stock
2,500Expected 8/24/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9500 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O Without Interrupt 2.5 V 3.6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package
Datasheet
8In Stock
19,800On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9506 SMD/SMT TSSOP-56 I2C, Serial 40 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package
Datasheet
17In Stock
47,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9539 SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel 2 kV

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in HVQFN16 package
Datasheet
584In Stock
6,000Expected 8/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCA9554C SMD/SMT HVQFN-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package
Datasheet
27,366On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCAL6416A 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in TSSOP24 package
Datasheet
110In Stock
20,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCAL9535A SMD/SMT TSSOP-24 I2C, Serial 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package
Datasheet
110In Stock
7,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCAL9539A SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Mobile I/O Companion Key-Scan
Datasheet
213In Stock
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

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMEL
Datasheet
10In Stock
1,000Expected 2/2/2027
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

Renesas / Intersil Interface - I/O Expanders W/ANNEAL PERIPH INT CNTRLR 5V 12 5MHZ
Datasheet
3In Stock
370Expected 3/9/2027
Min.: 1
Mult.: 1

82C59A SMD/SMT PLCC-28 Parallel With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Tube 1 kV
Renesas / Intersil Interface - I/O Expanders PERIPH PRG-I/O 5V 8MHZ 40CDIP IND
Datasheet
67In Stock
Min.: 1
Mult.: 1
No
82C55 Through Hole CDIP-40 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Tube 1 kV
Analog Devices ADP5587ACBZ-R7
Analog Devices Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand
Datasheet
660In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

ADP5587 SMD/SMT WLCSP-25 I2C, Serial 18 I/O With Interrupt 1.65 V 3.6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
Datasheet
17In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

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

Analog Devices / Maxim Integrated Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
Datasheet
106In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

MAX7312 SMD/SMT SOIC-Wide-24 I2C, Serial 16 I/O With Interrupt 2 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Nexperia Interface - I/O Expanders NCA6416PW/SOT355/TSSOP24
Datasheet
15In Stock
2,500Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Reel, Cut Tape, MouseReel
Microchip Technology Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface
Datasheet
11In Stock
Min.: 1
Mult.: 1
: 3,300
SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape Without ESD Protection
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr
Datasheet
16,073On Order
Min.: 1
Mult.: 1

PCF8574 Through Hole PDIP-16 I2C, Serial 8 I/O With Interrupt 2.5 V 6 V 100 kHz - 40 C + 85 C Tube 1 kV
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574DW A 595-P A 595-PCF8574DW
Datasheet
15,617On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8574 SMD/SMT SOIC-16 I2C, Serial 8 I/O With Interrupt 2.5 V 6 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 1 kV
Texas Instruments Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander
Datasheet
98,358On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

TCA6408A SMD/SMT UQFN-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
Texas Instruments Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander
Datasheet
48,208On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

TCA6416A SMD/SMT WQFN-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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR
Datasheet
1In Stock
500Expected 8/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

TCA9534 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