I/O Expanders
Use the filters and product table below to compare I/O Expanders components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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MCP23S09-E/SOIC XPNDR 10MHZ SPI 18SOIC |
4,170 | - |
|
Datasheet | - | 18-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 8 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 18-SOIC |
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MCP25020-I/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
1,899 | - |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN V2.0b | No | EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 2.75V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 14-PDIP |
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MCP25050-I/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
2,875 | - |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | 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 | - | - | Through Hole | 14-PDIP |
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MCP25050-E/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
2,730 | - |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN V2.0b | No | ADC, EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 14-PDIP |
|
MCP23009-E/SSIC XPNDR 3.4MHZ I2C 20SSOP |
4,308 | - |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain | 25mA | 3.4 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 20-SSOP |
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MCP23S09-E/PIC XPNDR 10MHZ SPI 18DIP |
3,604 | - |
|
Datasheet | - | 18-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 8 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 18-PDIP |
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MCP23017T-E/SSVAO16-BIT INPUT/OUTPUT EXPANDER, I2 |
4,767 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Open Drain | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 28-SSOP |
|
MIC74BQS-TRIC XPNDR 100KHZ I2C SMBUS 16QSOP |
4,637 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | Fan Speed Controller | Open Drain, Push-Pull | 7mA, 10mA | 100 kHz | 2.7V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
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MCP23017T-E/MLVAO16-BIT INPUT/OUTPUT EXPANDER, I2 |
4,928 | - |
|
Datasheet | - | 28-VQFN Exposed Pad | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Open Drain | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 28-QFN (6x6) |
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MIC74BQSIC XPNDR 100KHZ I2C SMBUS 16QSOP |
1,389 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | Fan Speed Controller | Open Drain, Push-Pull | 7mA, 10mA | 100 kHz | 2.7V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
I/O Expanders FAQ
Common questions about filtering, comparing and sourcing I/O Expanders components.
How can I narrow the I/O Expanders selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific I/O Expanders part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
