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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
PI4IOE5V9557LEX Diodes Incorporated

PI4IOE5V9557LEX

IC XPNDR 400KHZ I2C 16TSSOP

Diodes Incorporated

4,110 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified 8 I2C No - - - 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
TCA9555DBT Texas Instruments

TCA9555DBT

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Texas Instruments

1,388 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
PCA9703PW,118 NXP USA Inc.

PCA9703PW,118

IC XPNDR 5MHZ SPI SERIAL 24TSSOP

NXP USA Inc.

4,071 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified 16 (Input Only) SPI Serial Yes - Push-Pull - 5 MHz 4.5V ~ 5.5V - - - Surface Mount 24-TSSOP
PI4IOE5V9539LEX Diodes Incorporated

PI4IOE5V9539LEX

IC XPNDR 400KHZ I2C 24TSSOP

Diodes Incorporated

943 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified 16 I2C Yes - - - 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
PCA9575HF,118 NXP USA Inc.

PCA9575HF,118

IC XPND 400KHZ I2C SMBUS 24HWQFN

NXP USA Inc.

6,240 -
Datasheet - 24-WFQFN Exposed Pad Tape & Reel (TR) Active Not Verified 16 I2C, SMBus Yes POR Push-Pull 1mA, 3mA 400 kHz 1.1V ~ 3.6V -40°C ~ 105°C - - Surface Mount 24-HWQFN (4x4)
MCP23016T-I/ML Microchip Technology

MCP23016T-I/ML

IC XPNDR 400KHZ I2C 28QFN

Microchip Technology

2,775 -
Datasheet - 28-VQFN Exposed Pad Tape & Reel (TR) Active Not Verified 16 I2C Yes POR Push-Pull 25mA 400 kHz 2V ~ 5.5V -40°C ~ 85°C - - Surface Mount 28-QFN (6x6)
MCP23016-I/ML Microchip Technology

MCP23016-I/ML

IC XPNDR 400KHZ I2C 28QFN

Microchip Technology

124 -
Datasheet - 28-VQFN Exposed Pad Tube Active Not Verified 16 I2C Yes POR Push-Pull 25mA 400 kHz 2V ~ 5.5V -40°C ~ 85°C - - Surface Mount 28-QFN (6x6)
PCA8575DB,118 NXP USA Inc.

PCA8575DB,118

IC XPNDR 400KHZ I2C 24SSOP

NXP USA Inc.

593 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Not Verified 16 I2C Yes POR Push-Pull 100µA, 25mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
LM8335TLE/NOPB Texas Instruments

LM8335TLE/NOPB

IC XPNDR 26MHZ MIPI RFFE 16DSBGA

Texas Instruments

103 -
Datasheet - 16-WFBGA, DSBGA Tape & Reel (TR) Active Not Verified 8 MIPI® RFFE No POR Open Drain - 26 MHz 1.8V ~ 3.3V 0°C ~ 85°C - - Surface Mount 16-DSBGA (2.5x2.12)
TCA6416PWR Texas Instruments

TCA6416PWR

IC XPND 400KHZ I2C SMBUS 24TSSOP

Texas Instruments

2,905 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Not Verified 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
MCP25020-I/SL Microchip Technology

MCP25020-I/SL

IC XPNDR 25MHZ CAN V2.0B 14SOIC

Microchip Technology

114 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Active Verified 8 CAN V2.0b No EEPROM, POR, PWM Push-Pull 25mA 25 MHz 2.75V ~ 5.5V -40°C ~ 85°C - - Surface Mount 14-SOIC
TCA6424RGJR Texas Instruments

TCA6424RGJR

IC XPNDR 400KHZ I2C SMBUS 32UQFN

Texas Instruments

5,025 -
Datasheet - 32-UFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Not Verified 24 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 32-UQFN (5x5)
MAX7325ATG+ Analog Devices Inc./Maxim Integrated

MAX7325ATG+

IC XPNDR 400KHZ I2C 24TQFN

Analog Devices Inc./Maxim Integrated

1,185 -
Datasheet - 24-WFQFN Exposed Pad Tube Active Not Verified 16 (8 Output Only) I2C Yes POR Open Drain, Push-Pull 20mA 400 kHz 1.71V ~ 5.5V -40°C ~ 125°C - - Surface Mount 24-TQFN (4x4)
ADP5587ACPZ-1-R7 Analog Devices Inc.

ADP5587ACPZ-1-R7

IC XPNDR 400KHZ I2C 24LFCSP

Analog Devices Inc.

523 -
Datasheet - 24-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Not Verified 18 I2C Yes Keypad Controller, POR Open Drain - 400 kHz 1.65V ~ 3.6V -40°C ~ 85°C - - Surface Mount 24-LFCSP-WQ (4x4)
MCP25050T-I/SL Microchip Technology

MCP25050T-I/SL

IC XPNDR 25MHZ CAN V2.0B 14SOIC

Microchip Technology

5,275 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Verified 8 CAN V2.0b No ADC, EEPROM, POR, PWM Push-Pull 25mA 25 MHz 2.7V ~ 5.5V -40°C ~ 85°C - - Surface Mount 14-SOIC
MCP25050-I/SL Microchip Technology

MCP25050-I/SL

IC XPNDR 25MHZ CAN V2.0B 14SOIC

Microchip Technology

3,560 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Active Verified 8 CAN V2.0b No ADC, EEPROM, POR, PWM Push-Pull 25mA 25 MHz 2.7V ~ 5.5V -40°C ~ 85°C - - Surface Mount 14-SOIC
MAX7323ATE+ Analog Devices Inc./Maxim Integrated

MAX7323ATE+

IC XPNDR 400KHZ I2C 16TQFN

Analog Devices Inc./Maxim Integrated

529 -
Datasheet - 16-WFQFN Exposed Pad Tube Active Not Verified 4 I2C Yes POR Open Drain, Push-Pull 20mA 400 kHz 1.71V ~ 5.5V -40°C ~ 125°C - - Surface Mount 16-TQFN (3x3)
MAX7323AEE+ Analog Devices Inc./Maxim Integrated

MAX7323AEE+

IC XPNDR 400KHZ I2C 16QSOP

Analog Devices Inc./Maxim Integrated

242 -
Datasheet - 16-SSOP (0.154", 3.90mm Width) Tube Active Not Verified 4 I2C Yes POR Open Drain, Push-Pull 20mA 400 kHz 1.71V ~ 5.5V -40°C ~ 125°C - - Surface Mount 16-QSOP
MAX7315AEE+ Analog Devices Inc./Maxim Integrated

MAX7315AEE+

IC XPNDR 400KHZ I2C SMBUS 16QSOP

Analog Devices Inc./Maxim Integrated

200 -
Datasheet - 16-SSOP (0.154", 3.90mm Width) Tube Active Not Verified 8 I2C, SMBus Yes PWM Open Drain 50mA 400 kHz 2V ~ 3.6V -40°C ~ 125°C - - Surface Mount 16-QSOP
MAX7322ATE+ Analog Devices Inc./Maxim Integrated

MAX7322ATE+

IC XPNDR 400KHZ I2C 16TQFN

Analog Devices Inc./Maxim Integrated

212 -
Datasheet - 16-WFQFN Exposed Pad Tube Active Not Verified 4 I2C Yes POR - 20mA 400 kHz 1.7V ~ 5.5V -40°C ~ 125°C - - Surface Mount 16-TQFN (3x3)
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WINSUN SOURCING SUPPORT

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FREQUENTLY ASKED QUESTIONS

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.