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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PI4IOE5V9555LEXIC XPNDR 400KHZ I2C 24TSSOP |
1,854 | - |
|
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 |
|
PI4IOE5V6524ZHEXINTERFACE IO EXPANDER W-QFN5050- |
2,495 | - |
|
Datasheet | - | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | 24 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 0.8V ~ 3.6V, 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 32-TQFN (5x5) |
|
|
PI4IOE5V6416AQ2LEXIC XPNDR 400KHZ I2C 24TSSOP |
2,737 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 105°C | - | - | Surface Mount | 24-TSSOP |
|
PI4IOE5V9554LEIC XPNDR 400KHZ I2C 16TSSOP |
1,112 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 8 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
|
PI4IOE5V9538LEIC XPNDR 400KHZ SMBUS 16TSSOP |
3,614 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 8 | SMBus | Yes | POR | Push-Pull | - | 400 kHz | 2.3V ~ 5.5V | - | - | - | Surface Mount | 16-TSSOP |
|
PI4IOE5V9539LEIC XPNDR 400KHZ I2C 24TSSOP |
1,669 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
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PI4IOE5V6416AZDEXINTERFACE IO EXPANDER V-QFN4040- |
3,120 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
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PI4IOE5V6416ALEXINTERFACE IO EXPANDER TSSOP-24 T |
4,109 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
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PI4IOE5V9521XTEXIC XPNDR 1MHZ I2C 8UQFN |
4,444 | - |
|
Datasheet | - | 8-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 1 | I2C | Yes | - | - | 20mA | 1 MHz | 2.3V ~ 5.5V | - | - | - | Surface Mount | 8-UQFN (1.6x1.6) |
|
PI4IOE5V9522UEXIC XPNDR 1MHZ I2C 8MSOP |
4,420 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | - | I2C | Yes | - | Open Drain | - | 1 MHz | 2.3V ~ 5.5V | - | - | - | Surface Mount | 8-MSOP-EP |
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.
