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.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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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MAX7313ATG+TIC XPNDR 400KHZ I2C SMBUS 24TQFN |
3,239 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
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MAX7318ATG+IC XPNDR 400KHZ I2C SMBUS 24TQFN |
1,056 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tube | 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) |
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MAX7311ATG+IC XPNDR 400KHZ I2C SMBUS 24TQFN |
2,820 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tube | 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) |
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CY8C9540A-24PVXITIC XPNDR 100KHZ I2C 48SSOP |
920 | - |
|
Datasheet | - | 48-BSSOP (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 40 | I2C | Yes | EEPROM, POR, PWM, WDT | Open Drain | 10mA, 25mA | 100 kHz | 3V ~ 5.25V | -40°C ~ 85°C | - | - | Surface Mount | 48-SSOP |
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CY8C9540A-24PVXIIC XPNDR 100KHZ I2C 48SSOP |
307 | - |
|
Datasheet | - | 48-BSSOP (0.295", 7.50mm Width) | Tube | Active | Not Verified | 40 | I2C | Yes | EEPROM, POR, PWM, WDT | Open Drain | 10mA, 25mA | 100 kHz | 3V ~ 5.25V | -40°C ~ 85°C | - | - | Surface Mount | 48-SSOP |
|
MAX7311AUG+TIC XPND 400KHZ I2C SMBUS 24TSSOP |
2,886 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm 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-TSSOP |
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MAX7311AUG+IC XPND 400KHZ I2C SMBUS 24TSSOP |
633 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
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MAX7301AAI+TIC XPNDR 26MHZ SPI 28SSOP |
2,886 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 20 | SPI | Yes | - | Push-Pull | 4.5mA, 10mA | 26 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SSOP |
|
DS2408S+IC XPNDR 1-WIRE 16SOIC |
7,912 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 | 1-Wire® | No | - | Open Drain | - | - | 2.8V ~ 5.25V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
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MAX7300AAI+IC XPNDR 400KHZ I2C 28SSOP |
406 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 20 | I2C, 2-Wire Serial | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SSOP |
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MAX7301AAI+IC XPNDR 26MHZ SPI 28SSOP |
2,240 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Not Verified | 20 | SPI | Yes | - | Push-Pull | 4.5mA, 10mA | 26 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-SSOP |
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MAX7301ATL+IC XPNDR 26MHZ SPI 40TQFN |
3,371 | - |
|
Datasheet | - | 40-WFQFN Exposed Pad | Tube | Active | Not Verified | 28 | SPI | Yes | - | Push-Pull | 4.5mA, 10mA | 26 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-TQFN (6x6) |
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MAX7301ATL+TIC XPNDR 26MHZ SPI 40TQFN |
9,218 | - |
|
Datasheet | - | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 28 | SPI | Yes | - | Push-Pull | 4.5mA, 10mA | 26 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-TQFN (6x6) |
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MAX7301AAX+TIC XPNDR 26MHZ SPI 36SSOP |
976 | - |
|
Datasheet | - | 36-BSOP (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 28 | SPI | Yes | - | Push-Pull | 4.5mA, 10mA | 26 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 36-SSOP |
|
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MAX7301AAX+IC XPNDR 26MHZ SPI 36SSOP |
1,750 | - |
|
Datasheet | - | 36-BSOP (0.295", 7.50mm Width) | Tube | Active | Not Verified | 28 | SPI | Yes | - | Push-Pull | 4.5mA, 10mA | 26 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 36-SSOP |
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CP82C55A-5ZIC XPNDR PARALLEL 40DIP |
943 | - |
|
Datasheet | - | 40-DIP (0.600", 15.24mm) | Tube | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Through Hole | 40-PDIP |
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MAX7300ATL+TIC XPNDR 400KHZ I2C 40TQFN |
5,470 | - |
|
Datasheet | - | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 28 | I2C | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-TQFN (6x6) |
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CP82C55AZIC XPNDR PARALLEL 40DIP |
867 | - |
|
Datasheet | - | 40-DIP (0.600", 15.24mm) | Tube | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Through Hole | 40-PDIP |
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MAX7300AAX+IC XPNDR 400KHZ I2C 36SSOP |
314 | - |
|
Datasheet | - | 36-BSOP (0.295", 7.50mm Width) | Tube | Active | Not Verified | 28 | I2C | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 36-SSOP |
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|
CS82C55AZIC XPNDR PARALLEL 44PLCC |
1,796 | - |
|
Datasheet | - | 44-LCC (J-Lead) | Tube | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
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.
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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.
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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.
