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I/O Expanders

Browse available I/O Expanders part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Number of I/O Interface Interrupt Output Features Output Type Current - Output Source/Sink Clock Frequency Voltage - Supply Operating Temperature Grade Qualification Mounting Type Supplier Device Package
PCF8575CDWE4 Texas Instruments

PCF8575CDWE4

IC XPNDR 400KHZ I2C SMBUS 24SOIC

Texas Instruments

2,487 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified 16 I2C, SMBus Yes POR Open Drain 10mA, 25mA 400 kHz 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SOIC
PCF8575CTS/1,118 NXP USA Inc.

PCF8575CTS/1,118

IC XPNDR 400KHZ I2C 24SSOP

NXP USA Inc.

3,049 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Not Verified 16 I2C Yes POR Push-Pull 25mA 400 kHz 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
PCF8575DBQR Texas Instruments

PCF8575DBQR

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Texas Instruments

2,786 -
Datasheet - 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 1mA, 25mA 400 kHz 2.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
MAX7322AEE+T Analog Devices Inc./Maxim Integrated

MAX7322AEE+T

IC XPNDR 400KHZ I2C 16QSOP

Analog Devices Inc./Maxim Integrated

3,780 -
Datasheet - 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified 4 I2C Yes POR - 20mA 400 kHz 1.7V ~ 5.5V -40°C ~ 125°C - - Surface Mount 16-QSOP
MCP25025T-I/SL Microchip Technology

MCP25025T-I/SL

IC XPNDR 4MHZ CAN 14SOIC

Microchip Technology

1,544 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Verified 8 CAN (1-Wire) No EEPROM, POR, PWM Push-Pull 25mA 4 MHz 2.7V ~ 5.5V -40°C ~ 85°C - - Surface Mount 14-SOIC
MCP25025-I/SL Microchip Technology

MCP25025-I/SL

IC XPNDR 4MHZ CAN 14SOIC

Microchip Technology

3,382 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Active Verified 8 CAN (1-Wire) No EEPROM, POR, PWM Push-Pull 25mA 4 MHz 2.7V ~ 5.5V -40°C ~ 85°C - - Surface Mount 14-SOIC
STMPE2403TBR STMicroelectronics

STMPE2403TBR

IC XPNDR 400KHZ I2C 36TFBGA

STMicroelectronics

3,278 -
Datasheet Xpander Logic™ 36-TFBGA Tape & Reel (TR) Obsolete Not Verified 24 I2C Yes Keypad Controller, POR, PWM Push-Pull - 400 kHz 1.65V ~ 1.95V -40°C ~ 85°C - - Surface Mount 36-TFBGA (3.5x3.5)
MAX7310AEE+T Analog Devices Inc./Maxim Integrated

MAX7310AEE+T

IC XPNDR 400KHZ I2C SMBUS 16QSOP

Analog Devices Inc./Maxim Integrated

1,245 -
Datasheet - 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified 8 I2C, SMBus No POR Open Drain, Push-Pull 18mA, 30mA 400 kHz 2.3V ~ 5.5V -40°C ~ 125°C - - Surface Mount 16-QSOP
CAT9534WI-GT2 onsemi

CAT9534WI-GT2

IC XPNDR 400KHZ I2C SMBUS 16SOIC

onsemi

3,392 -
Datasheet - 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified 8 I2C, SMBus Yes POR Push-Pull 10mA, 24mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
MCP23S18T-E/MJVAO Microchip Technology

MCP23S18T-E/MJVAO

IC XPNDR 10MHZ SPI 24QFN

Microchip Technology

4,224 -
Datasheet - 24-VFQFN Exposed Pad Tape & Reel (TR) Active Not Verified 16 SPI Yes POR Open Drain 25mA 10 MHz 1.8V ~ 5.5V -40°C ~ 125°C Automotive AEC-Q100 Surface Mount 24-QFN (4x4)
MCP25020T-E/SL Microchip Technology

MCP25020T-E/SL

IC XPNDR 25MHZ CAN V2.0B 14SOIC

Microchip Technology

1,944 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Verified 8 CAN V2.0b No EEPROM, POR, PWM Push-Pull 25mA 25 MHz 4.5V ~ 5.5V -40°C ~ 125°C - - Surface Mount 14-SOIC
PCF8575CDWR Texas Instruments

PCF8575CDWR

IC XPNDR 400KHZ I2C SMBUS 24SOIC

Texas Instruments

4,047 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Open Drain 10mA, 25mA 400 kHz 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SOIC
MAX7318ATG+T Analog Devices Inc./Maxim Integrated

MAX7318ATG+T

IC XPNDR 400KHZ I2C SMBUS 24TQFN

Analog Devices Inc./Maxim Integrated

1,406 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 31mA, 43mA 400 kHz 2V ~ 5.5V -40°C ~ 125°C - - Surface Mount 24-TQFN (4x4)
MAX7318AAG+T Analog Devices Inc./Maxim Integrated

MAX7318AAG+T

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Analog Devices Inc./Maxim Integrated

1,890 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 31mA, 43mA 400 kHz 2V ~ 5.5V -40°C ~ 125°C - - Surface Mount 24-SSOP
MAX7318AWG+T Analog Devices Inc./Maxim Integrated

MAX7318AWG+T

IC XPNDR 400KHZ I2C SMBUS 24SOIC

Analog Devices Inc./Maxim Integrated

4,230 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 31mA, 43mA 400 kHz 2V ~ 5.5V -40°C ~ 125°C - - Surface Mount 24-SOIC
MCP25020-E/P Microchip Technology

MCP25020-E/P

IC XPNDR 25MHZ CAN V2.0B 14DIP

Microchip Technology

2,483 -
Datasheet - 14-DIP (0.300", 7.62mm) Tube Active Verified 8 CAN V2.0b No EEPROM, POR, PWM Push-Pull 25mA 25 MHz 4.5V ~ 5.5V -40°C ~ 125°C - - Through Hole 14-PDIP
MAX7312AAG+T Analog Devices Inc./Maxim Integrated

MAX7312AAG+T

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Analog Devices Inc./Maxim Integrated

2,725 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 31mA, 43mA 400 kHz 2V ~ 5.5V -40°C ~ 125°C - - Surface Mount 24-SSOP
PCA9655EMTTXG onsemi

PCA9655EMTTXG

IC XPNDR 100KHZ I2C SMBUS 24QFN

onsemi

1,174 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified 16 I2C, SMBus Yes POR Push-Pull 42mA 100 kHz 1.65V ~ 5.5V -55°C ~ 125°C - - Surface Mount 24-QFN (4x4)
PCA9655EDTR2G onsemi

PCA9655EDTR2G

IC XPND 100KHZ I2C SMBUS 24TSSOP

onsemi

4,698 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Not Verified 16 I2C, SMBus Yes POR Push-Pull 42mA 100 kHz 1.65V ~ 5.5V -55°C ~ 125°C - - Surface Mount 24-TSSOP
PCA9655EDWR2G onsemi

PCA9655EDWR2G

IC XPNDR 100KHZ I2C SMBUS 24SOIC

onsemi

2,969 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified 16 I2C, SMBus Yes POR Push-Pull 42mA 100 kHz 1.65V ~ 5.5V -55°C ~ 125°C - - Surface Mount 24-SOIC
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WINSUN SOURCING SUPPORT

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I/O Expanders FAQ

Common questions about selecting, comparing and sourcing I/O Expanders components through Winsun (HK) Electronics.

What should I check when selecting I/O Expanders components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific I/O Expanders part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find I/O Expanders parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for I/O Expanders components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.