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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SX1508BIULTRTIC XPNDR 400KHZ I2C 20QFN |
14,030 | - |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain, Push-Pull | - | 400 kHz | 1.2V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
SX1509BIULTRTIC XPNDR 400KHZ I2C 28QFN |
62,070 | - |
|
Datasheet | - | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | Keypad Controller, LED Output, POR | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
|
SX1509QBIULTRTIC XPNDR 400KHZ I2C 28QFN |
25,691 | - |
|
Datasheet | - | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | Keypad Controller, LED Output, POR | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
|
SX1508QBIULTRTIC XPNDR 400KHZ I2C 20QFN |
3,000 | - |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | No | - | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
|
SX1505I087TRTIC XPNDR 400KHZ I2C 20QFN |
2,816 | - |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
|
SX1506I091TRTIC XPNDR 400KHZ I2C 28QFN |
2,288 | - |
|
Datasheet | - | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
|
SX1503I091TRTIC XPNDR 400KHZ I2C 28QFN |
1,522 | - |
|
Datasheet | - | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 1.2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
|
SX1508IULTRTIC XPNDR 400KHZ I2C 20QFN |
4,575 | - |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | Keypad Controller, LED Output, POR | Open Drain, Push-Pull | 8mA, 15mA | 400 kHz | 1.425V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
|
SX1502I087TRTIC XPNDR 400KHZ I2C 20QFN |
1,760 | - |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 1.2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
|
|
SX1501I087TRTIC XPNDR 400KHZ I2C 20QFN |
2,476 | - |
|
Datasheet | - | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 4 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 1.2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN-UT (3x3) |
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.
