Interface - I/O Expanders

Results: 628
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Description Datasheet Availability Pricing (PLN) 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-PCF8575DW
Datasheet
1 068In Stock
4 000Expected 10/15/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

PCF8575 SMD/SMT SOIC-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.5 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 A ALT 595-PCF8575PWR
Datasheet
Product Comments
2 262In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

PCF8575 SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.5 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 372In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

PCF8575 SMD/SMT VQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.5 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus
Datasheet
6 233In 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
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
Texas Instruments Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander
Datasheet
2 021In 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
Infineon Technologies Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534
Datasheet
1 179In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

CY8C95xx SMD/SMT SSOP-28 I2C, Serial, SMBus 20 I/O With Interrupt 3 V 5.25 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Infineon Technologies Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM
Datasheet
673In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

CY8C95xx SMD/SMT SSOP-48 I2C, Serial, SMBus 40 I/O With Interrupt 3 V 5.25 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Infineon Technologies Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM
Datasheet
889In Stock
900Expected 9/2/2026
Min.: 1
Mult.: 1

CY8C95xx SMD/SMT TQFP-100 I2C, Serial 60 I/O With Interrupt 3 V 5.25 V 24 MHz - 40 C + 85 C Tray 2 kV
Semtech Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM
Datasheet
9 467In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

SX1508 SMD/SMT QFN-20 I2C, Serial 8 I/O With Interrupt 1.2 V 3.6 V 2 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER
Datasheet
209In Stock
3 000On Order
Min.: 1
Mult.: 1

TCAL9538 SMD/SMT TSSOP-16 I2C, Serial, SMBus 9 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C
Texas Instruments Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O
Datasheet
808In 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
Nexperia Interface - I/O Expanders NCA9539PW-Q100/SOT355/TSSOP24
Datasheet
1 531In 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 + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
4 351In Stock
7 965Expected 9/28/2026
Min.: 1
Mult.: 1

MCP23017 Through Hole SPDIP-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
10 122In 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 1/7/2027
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 120In 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 000On Order
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