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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9655EMTTXGIC XPNDR 100KHZ I2C SMBUS 24QFN |
1,174 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 42mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-QFN (4x4) |
|
PCA9655EDTR2GIC XPND 100KHZ I2C SMBUS 24TSSOP |
4,698 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 42mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
|
PCA9655EDWR2GIC XPNDR 100KHZ I2C SMBUS 24SOIC |
2,969 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 42mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-SOIC |
|
CAT9555HV6I-GT2IC XPNDR 400KHZ I2C SMBUS 24TQFN |
3,756 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
|
CAT9555HT6I-GT2IC XPNDR 400KHZ I2C SMBUS 24TQFN |
4,081 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
|
CAT9555HV6I-GIC XPNDR 400KHZ I2C SMBUS 24TQFN |
2,397 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tube | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TQFN (4x4) |
|
LC709004AMJ-AHIC XPNDR PARALLEL 24MFPSJ |
1,658 | - |
|
Datasheet | - | 24-SOP (0.236", 6.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | Parallel | No | - | CMOS, Open-Drain | - | - | 2V ~ 6V | -30°C ~ 70°C | - | - | Surface Mount | 24-MFPSJ |
|
LC709006A-EIC XPNDR PARALLEL 36MFPSDJ |
1,357 | - |
|
Datasheet | - | 36-SOP (0.311", 7.90mm Width) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | CMOS, Open-Drain | - | - | 2V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 36-MFPSDJ |
|
LC709006A-TLM-EIC XPNDR PARALLEL 36MFPSDJ |
4,814 | - |
|
Datasheet | - | 36-SOP (0.311", 7.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | CMOS, Open-Drain | - | - | 2V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 36-MFPSDJ |
|
|
LC709006V-EIC IO EXPANDER |
3,000 | - |
|
Datasheet | - | - | Tube | Obsolete | Not Verified | - | - | No | - | - | - | - | 2V ~ 6V | -40°C ~ 85°C | - | - | - | - |
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.
