Interface - I/O Expanders

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Interface Type
Number of I/Os
Interrupt Output
Supply Voltage - Min
Supply Voltage - Max
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Minimum Operating Temperature
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ESD Protection
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
2.166In Stock
6.600Expected 3/17/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.300

SMD/SMT QFN-16 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
5.676In Stock
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
7.391In Stock
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 16B I/O Expander I2C interface
Datasheet
4.175In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16-bit I/O Expander I2C interface
Datasheet
2.845In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.100

SMD/SMT SSOP-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
1.325In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-18 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
5.266In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp SPI interface
Datasheet
2.940In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.300

SMD/SMT QFN-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
1.843In Stock
5.500Expected 2/24/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.100

SMD/SMT SOIC-18 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
5.109In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.600

SMD/SMT SSOP-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
3.742In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.300

SMD/SMT QFN-16 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp SPI interface
Datasheet
4.965In Stock
Min.: 1
Mult.: 1

MCP23S17 SMD/SMT QFN-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp SPI interface
Datasheet
7.845In Stock
Min.: 1
Mult.: 1

MCP23S17 Through Hole SPDIP-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp SPI interface
Datasheet
6.859In Stock
14.250Expected 2/17/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.600

MCP23S17 SMD/SMT QFN-28 Serial, SPI 16 I/O With Interrupt 4.5 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
1.193In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
3.217In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.300

MCP23S18 SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders Mixed signal Expandr
Datasheet
1.782In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-14 CAN 8 I/O Without Interrupt 5.5 V 5.5 V 25 MHz - 65 C + 150 C Tube 3.5 kV
Analog Devices Interface - I/O Expanders 10 GPIO/Key Controller
Datasheet
1.324In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
1.331In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 General-Purpose Outp ut Expander A 595-L A 595-LM8335TLE/NOPB
Datasheet
2.019In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

LM8335 SMD/SMT DSBGA-16 I2C, Serial 8 I/O With Interrupt 1.8 V 3.3 V 26 MHz - 30 C + 85 C Reel, Cut Tape, MouseReel 8 kV
Texas Instruments Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518PW A 595-PCA9518PW
Datasheet
2.380In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

PCA9518 SMD/SMT TSSOP-20 I2C, Serial 5 I/O Without Interrupt 3 V 3.6 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-PCA9534APW
Datasheet
5.596In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

PCA9534A 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 8B I2C and Lo -Pwr I/O Expander
Datasheet
9.892In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Datasheet
1.234In Stock
2.500Expected 2/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

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-PCA9534DW
Datasheet
2.536In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

PCA9534 SMD/SMT SOIC-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