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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MCP23S08T-E/SSIC XPNDR 10MHZ SPI 20SSOP |
10,536 | - |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 20-SSOP |
|
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MCP23S08-E/SSIC XPNDR 10MHZ SPI 20SSOP |
2,304 | - |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 8 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 20-SSOP |
|
MCP23017T-E/SOIC XPNDR 1.7MHZ I2C 28SOIC |
11,036 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SOIC |
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MCP23017-E/SOIC XPNDR 1.7MHZ I2C 28SOIC |
3,308 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SOIC |
|
MCP23009-E/MGIC XPNDR 3.4MHZ I2C 16QFN |
5,033 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tube | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain | 25mA | 3.4 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QFN (3x3) |
|
MCP23S08T-E/MLIC XPNDR 10MHZ SPI 20QFN |
12,065 | - |
|
Datasheet | - | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 20-QFN (4x4) |
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MCP23S08-E/MLIC XPNDR 10MHZ SPI 20QFN |
3,195 | - |
|
Datasheet | - | 20-VFQFN Exposed Pad | Tube | Active | Not Verified | 8 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 20-QFN (4x4) |
|
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MCP23S17-E/SOIC XPNDR 10MHZ SPI 28SOIC |
6,718 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 16 | SPI | Yes | POR | Push-Pull | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SOIC |
|
MCP23017-E/SPIC XPNDR 1.7MHZ I2C 28SDIP |
4,876 | - |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-SPDIP |
|
MCP23017-E/SSIC XPNDR 1.7MHZ I2C 28SSOP |
4,474 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SSOP |
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.
