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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MIC74BQSIC XPNDR 100KHZ I2C SMBUS 16QSOP |
1,389 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | Fan Speed Controller | Open Drain, Push-Pull | 7mA, 10mA | 100 kHz | 2.7V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
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PCF8574APWG4IC XPNDR 100KHZ I2C 20TSSOP |
4,539 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
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PCF8574PWG4IC XPNDR 100KHZ I2C 20TSSOP |
1,532 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
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PCF8574ADWE4IC XPNDR 100KHZ I2C 16SOIC |
1,041 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
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PCF8574ADWG4IC XPNDR 100KHZ I2C 16SOIC |
3,611 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
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STMPE1600QTRIC XPNDR 400KHZ I2C 24QFN |
1,934 | - |
|
Datasheet | Xpander Logic™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Open Drain | 4mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN |
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PCA9554ADBRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
1,835 | - |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | 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 |
|
PCA9554APWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
2,373 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | 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-TSSOP |
|
TCA6416AZQSRIC XPNDR 400KHZ I2C SMBUS 24BGA |
1,359 | - |
|
Datasheet | - | 24-VFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-BGA MICROSTAR JUNIOR (3x3) |
|
PCA9535CD,118IC XPNDR 400KHZ I2C SMBUS 24SO |
2,680 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SO |
|
PCA9536YZPRIC XPNDR 400KHZ I2C SMBUS 8DSBGA |
4,323 | - |
|
Datasheet | - | 8-XFBGA, DSBGA | Tape & Reel (TR) | Obsolete | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 8-DSBGA (1.9x0.9) |
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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) |
|
TCA6416PWG4IC XPND 400KHZ I2C SMBUS 24TSSOP |
4,907 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
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MAX7316ATE+TIC XPNDR 400KHZ I2C SMBUS 16TQFN |
1,808 | - |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 10 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
MCP23016T-I/SSIC XPNDR 400KHZ I2C 28SSOP |
1,323 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 28-SSOP |
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PCA9539PWRE4IC XPND 400KHZ I2C SMBUS 24TSSOP |
4,190 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
STMPE801QTRIC XPNDR 400KHZ I2C 16QFN |
3,980 | - |
|
Datasheet | Xpander Logic™ | 16-UFQFN | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QFN (2.6x1.8) |
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PCA9538DGVRIC XPND 400KHZ I2C SMBUS 16TVSOP |
2,333 | - |
|
Datasheet | - | 16-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TVSOP |
|
PCA9555HF,118IC XPND 400KHZ I2C SMBUS 24HWQFN |
2,722 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HWQFN (4x4) |
|
PCA9535HF,118IC XPND 400KHZ I2C SMBUS 24HWQFN |
1,615 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HWQFN (4x4) |
I/O Expanders FAQ
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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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