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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PCA9672D,518IC XPNDR 1MHZ I2C 16SO |
4,232 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
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NCT5655YIC XPNDR 400KHZ I2C SMBUS 24QFN |
3,283 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tray | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
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NCT5635YSMBUS-GPIO EXPANDER; 16 GPIO PIN |
2,722 | - |
|
Datasheet | - | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PCA6416AEVJIC XPND 400KHZ I2C SMBUS 24VFBGA |
2,761 | - |
|
Datasheet | - | 24-VFBGA | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-VFBGA (3x3) |
|
MIC74BQS-TRIC XPNDR 100KHZ I2C SMBUS 16QSOP |
4,637 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | 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 |
|
DS4520EIC XPNDR 400KHZ I2C 16TSSOP |
1,904 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 9 | I2C | No | EEPROM, POR | Open Drain | 12mA | 400 kHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9674ATS,118IC XPNDR 1MHZ I2C 20SSOP |
2,610 | - |
|
Datasheet | - | 20-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
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PCA9674TS,118IC XPNDR 1MHZ I2C 20SSOP |
2,338 | - |
|
Datasheet | - | 20-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
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PCA9538D,118IC XPNDR 400KHZ I2C SMBUS 16SO |
2,860 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm 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-SO |
|
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) |
|
PCA9701HF,118IC XPNDR 5MHZ SPI SERIAL 24HWQFN |
1,858 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-HWQFN (4x4) |
|
PCA9537DP,118IC XPND 400KHZ I2C SMBUS 10TSSOP |
1,427 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 4 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 10-TSSOP |
|
TCA6416RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
4,560 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
|
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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) |
|
|
MCP23017T-E/MLVAO16-BIT INPUT/OUTPUT EXPANDER, I2 |
4,928 | - |
|
Datasheet | - | 28-VQFN Exposed Pad | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Open Drain | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 28-QFN (6x6) |
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TCA7408ZSZRIC XPNDR 400KHZ I2C SMBUS 16UCSP |
3,077 | - |
|
Datasheet | - | 16-UFBGA, CSPBGA | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-UCSP (2x2) |
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PCA9535PWG4IC XPND 400KHZ I2C SMBUS 24TSSOP |
3,602 | - |
|
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 | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
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STMPE1601TBRIC XPNDR 400KHZ I2C 25TFBGA |
3,780 | - |
|
Datasheet | Xpander Logic™ | 25-TFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | Keypad Controller, POR, PWM | Open Drain | 4mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 25-TFBGA (3x3) |
|
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NCT5655WIC XPND 400KHZ I2C SMBUS 24TSSOP |
3,095 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | LED Output(s), POR | Open Drain | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
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|
STMPE1801BJRIC XPNDR 400KHZ I2C 25FLIPCHIP |
3,135 | - |
|
Datasheet | Xpander Logic™ | 25-WFBGA, WLCSP | Tape & Reel (TR) | Obsolete | Not Verified | 18 | I2C | Yes | Keypad Controller, POR | Push-Pull | 4mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 25-FlipChip (2x2) |
I/O Expanders FAQ
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