Interface IC's Interface - I/O Expanders

Results: 670
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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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR
Datasheet
1,052In Stock
Min.: 1
Mult.: 1

PCA9555 SMD/SMT SOIC-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Tube 2 kV

Analog Devices / Maxim Integrated Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus
Datasheet
1,356In Stock
Min.: 1
Mult.: 1
Max.: 250

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
Analog Devices / Maxim Integrated Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa
Datasheet
2,426In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

MAX7318 SMD/SMT TSSOP-24 I2C, Serial 16 I/O With Interrupt 2 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel

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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package
Datasheet
2,182In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9538 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW
Datasheet
2,444In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9557 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O Without Interrupt 2.5 V 6 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, Interrupt and Quasi feature in TSSOP20 package
Datasheet
5,900In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9501 SMD/SMT TSSOP-20 I2C, Serial, SMBus 8 I/O With Interrupt 2.5 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
601In Stock
806Expected 8/17/2026
Min.: 1
Mult.: 1

MAX7311 SMD/SMT TSSOP-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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
Datasheet
8,168In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL9538A SMD/SMT HVQFN-16 I2C, Serial 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 Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW
Datasheet
4,063In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,001
: 2,000

PCA9534 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 2 kV
Texas Instruments Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander
Datasheet
9,346In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,001
: 3,000

TCA9555 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in HWQFN24 package
Datasheet
2,882In Stock
6,000Expected 10/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCA9535C SMD/SMT HWQFN-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 2 kV
NXP Semiconductors Interface - I/O Expanders 34-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA42 package
Datasheet
4,400In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

PCAL6534 SMD/SMT VFBGA-42 I2C, Serial, SMBus 34 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 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 TSSOP16 package
Datasheet
2,854In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA6408A SMD/SMT TSSOP-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

Analog Devices / Maxim Integrated Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus
Datasheet
994In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

DS4520E SMD/SMT TSSOP-16 I2C, Serial 9 I/O Without Interrupt 2.7 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander
Datasheet
1,936In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

TCA9554 SMD/SMT SSOP-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 Remote 8-bit I2C SMB us I/O Expander
Datasheet
3,966In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

TCA9554A SMD/SMT SSOP-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
Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu
Datasheet
127In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

MAX7322 SMD/SMT TQFN-16 I2C, Serial 4 I/O With Interrupt 1.71 V 5.5 V 400 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Analog Devices Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion
Datasheet
5,060In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

ADP5589 SMD/SMT LFCSP-24 I2C, Serial 19 I/O With Interrupt 1.8 V 3 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554 in TSSOP16 package
Datasheet
10,727In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9554A 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 2 kV
Nexperia Interface - I/O Expanders NCA9555PW/SOT355/TSSOP24
Datasheet
1,888In Stock
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 Reel, Cut Tape, MouseReel
Texas Instruments Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus
Datasheet
2,521In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

TCA9536 SMD/SMT X2SON-8 I2C, SMBus 4 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 1 kV, 2 kV, 4 kV
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in TSSOP16 package
Datasheet
2,662In Stock
5,000Expected 10/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9538A SMD/SMT TSSOP-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 2 kV
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in TSSOP24 package
Datasheet
8,032In Stock
17,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9535C 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 2 kV
Texas Instruments Interface - I/O Expanders Remote 16bit I2C and SMBux
Datasheet
7,247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

TCA9539 SMD/SMT VQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV