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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg "CMS82C55AZ")
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CMS82C55AZIC XPNDR PARALLEL 44PLCC |
1,007 | - |
|
Datasheet | - | 44-LCC (J-Lead) | Bulk | 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) |
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MAX7300AAX+TIC XPNDR 400KHZ I2C 36SSOP |
772 | - |
|
Datasheet | - | 36-BSOP (0.295", 7.50mm Width) | 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 | 36-SSOP |
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IMQ82C55AZIC XPNDR PARALLEL 44MQFP |
705 | - |
|
Datasheet | - | 44-QFP | Tray | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-MQFP (10x10) |
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MAX1608EEE+IC XPNDR 100KHZ SMBUS 16QSOP |
3,153 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 | SMBus | No | POR | Open Drain | - | 100 kHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
|
NTC6416ANLTS1NTC6416ANLTS1 |
3,018 | - |
|
Datasheet | - | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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JLC1562BFELIC XPNDR 100KHZ I2C 16SOEIAJ |
4,632 | - |
|
Datasheet | - | 16-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | No | DAC, POR | Open Drain | - | 100 kHz | 4.2V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOEIAJ |
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JLC1562BFIC XPNDR 100KHZ I2C 16SOEIAJ |
1,106 | - |
|
Datasheet | - | 16-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | No | DAC, POR | Open Drain | - | 100 kHz | 4.2V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOEIAJ |
|
JLC1562BNIC XPNDR 100KHZ I2C 16DIP |
2,633 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | 8 | I2C | No | DAC, POR | Open Drain | - | 100 kHz | 4.2V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-PDIP |
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PCA9574PW,112IC XPND 400KHZ I2C SMBUS 16TSSOP |
4,848 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 3mA | 400 kHz | 1.1V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
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PCA9556PW,118IC XPND 100KHZ I2C SMBUS 16TSSOP |
5,000 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 20mA | 100 kHz | 3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
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CAT9554WI-GIC XPNDR 400KHZ I2C SMBUS 16SOIC |
3,340 | - |
|
Datasheet | CAT9554 | 16-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
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PCA9554AD,112IC XPNDR 400KHZ I2C SMBUS 16SO |
1,156 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
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PCA9554ADB,112IC XPNDR 400KHZ I2C SMBUS 16SSOP |
2,762 | - |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
|
LC709004A-TLM-EIO EXPANDER |
4,000 | - |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
XRA1201PIG24TR-FIC XPND 400KHZ I2C SMBUS 24TSSOP |
1,342 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
CAT9554HV4I-GT2IC XPNDR 400KHZ I2C SMBUS 16TQFN |
1,424 | - |
|
Datasheet | - | 16-WQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TQFN (4x4) |
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AAT4292IJQ-T1IC I/O EXPANDER 7B SC70JW-10 |
5,198 | - |
|
Datasheet | * | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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JLC1562BFELGIC XPNDR 100KHZ I2C 16SOEIAJ |
2,096 | - |
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Datasheet | - | 16-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | No | DAC, POR | Open Drain | - | 100 kHz | 4.2V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOEIAJ |
|
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JLC1562BNGIC XPNDR 100KHZ I2C 16DIP |
1,209 | - |
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Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | 8 | I2C | No | DAC, POR | Open Drain | - | 100 kHz | 4.2V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-PDIP |
|
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JLC1562BFGIC XPNDR 100KHZ I2C 16SOEIAJ |
2,759 | - |
|
Datasheet | - | 16-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | No | DAC, POR | Open Drain | - | 100 kHz | 4.2V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOEIAJ |
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.
How do I request a quote for I/O Expanders components?
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