SMD/SMT Interface - I/O Expanders

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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 16-bit low-voltage I C-bus and SMBus I/O
Datasheet
834In Stock
3,000Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

TCAL9539 SMD/SMT TSSOP-24 I2C, Serial 16 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel

NXP Semiconductors Interface - I/O Expanders 22-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN32 package
Datasheet
47,047On Order
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL9722 SMD/SMT HVQFN-32 Serial, SPI With Interrupt 1.1 V 5.5 V 5 MHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel 2 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
10,147In Stock
15,886Expected 9/22/2026
Min.: 1
Mult.: 1

MCP23017 SMD/SMT SSOP-28 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube 4 kV

Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
9,428In Stock
19,200Expected 10/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,600

MCP23017 SMD/SMT SOIC-28 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Analog Devices Interface - I/O Expanders 10 GPIO/Key Controller
Datasheet
922In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

ADP5585 SMD/SMT LFCSP-16 I2C, Serial 10 I/O With Interrupt 1.8 V 3 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection
Analog Devices Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion
Datasheet
4,810In 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
Texas Instruments Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TMX/NOPB
Datasheet
1,058In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

LM8330 SMD/SMT DSBGA-25 I2C, Serial With Interrupt 1.62 V 1.98 V 400 kHz - 30 C + 85 C Reel, Cut Tape, MouseReel 8 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander
Datasheet
1,301In Stock
18,000Expected 2/26/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCA9534A SMD/SMT VQFN-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 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW
Datasheet
4,121In 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 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
770In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9535 SMD/SMT QSOP-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 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
728In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9535 SMD/SMT TVSOP-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 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
5,069In Stock
9,000Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCA9535 SMD/SMT VQFN-24 I2C, Serial, SMBus 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 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9539PWR
Datasheet
1,005In Stock
6,000Expected 10/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

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 Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander
Datasheet
8,015In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCA9554A SMD/SMT VQFN-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 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW
Datasheet
990In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9554 SMD/SMT TVSOP-16 I2C, Serial, SMBus 8 I/O 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
Texas Instruments Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR
Datasheet
2,067In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9554 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR
Datasheet
1,047In 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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR
Datasheet
12,088In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9555 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 16-Bit I2C & SMBus I/O Expander
Datasheet
4,150In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCA9555 SMD/SMT VQFN-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 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW
Datasheet
2,895In Stock
4,000Expected 1/1/2027
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
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW
Datasheet
6,224In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8574A 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 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW
Datasheet
4,800In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8574 SMD/SMT TSSOP-20 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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDBR
Datasheet
514In Stock
Min.: 1
Mult.: 1

PCF8575C SMD/SMT SSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 4.5 V 5.5 V 400 kHz - 40 C + 85 C Tube 2 kV
Texas Instruments Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander
Datasheet
6,429In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

TCA6408A 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
Texas Instruments Interface - I/O Expanders Automotive 8-bit tra nslating I2C/SMBus
Datasheet
2,624In Stock
6,000Expected 11/23/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

TCA6408A SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 3.6 V 400 kHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel 2 kV