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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9539DWIC XPNDR 400KHZ I2C SMBUS 24SOIC |
4,908 | - |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tube | 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-SOIC |
|
W83L603GIC XPNDR SMBUS 14SOP |
2,193 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 | SMBus | Yes | Buzzer Outputs, LED Outputs, POR | Open Drain, Push-Pull | 16mA | - | 3.3V | 0°C ~ 70°C | - | - | Surface Mount | 14-SOP |
|
TCA9554DWRIC XPNDR 400KHZ I2C 16SOIC |
3,243 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
PCAL6416AEXXIC XPND 400KHZ I2C SMBUS 24XFBGA |
4,635 | - |
|
Datasheet | Agile | 24-XFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-XFBGA (2x2) |
|
PCAL6416AERXIC XPND 400KHZ I2C SMBUS 24UFBGA |
4,445 | - |
|
Datasheet | Agile | 24-UFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-UFBGA (2x2) |
|
PCA9704PWJIC XPNDR 5MHZ SPI 16TSSOP |
3,324 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 (Input Only) | SPI | Yes | - | Open Drain | - | 5 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9555PWRG4IC XPND 400KHZ I2C SMBUS 24TSSOP |
2,283 | - |
|
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 |
|
|
PCF8574ANE48-BIT 2.5- TO 5.5-V I2C/SMBUS I/ |
4,445 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Active | - | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-PDIP |
|
PCA9574HR,115IC XPNDR 400KHZ I2C 16HXQFNU |
2,374 | - |
|
Datasheet | - | 16-XFQFN Exposed Pad | 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-HXQFNU (2x2) |
|
PCF8574APWIC XPNDR 100KHZ I2C 20TSSOP |
1,539 | - |
|
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 |
|
PCF8575DBQRG4IC XPNDR 400KHZ I2C SMBUS 24SSOP |
3,571 | - |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
|
|
PCF8574NE48-BIT 2.5- TO 5.5-V I2C/SMBUS I/ |
4,239 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Active | - | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Through Hole | 16-PDIP |
|
PCF8575DGVRG4IC XPND 400KHZ I2C SMBUS 24TVSOP |
1,481 | - |
|
Datasheet | - | 24-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TVSOP |
|
|
TCAL6408DTURTCAL6408DTUR |
1,690 | - |
|
Datasheet | - | 16-XFQFN | Tape & Reel (TR) | Active | - | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 1.08V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-X2QFN (1.6x1.6) |
|
|
KTS1620ERG-TRLOW VOLTAGE 24-BIT I2C-BUS I/O E |
3,006 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | - | 24 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 32-TQFN (5x5) |
|
PCA8574AD,518IC XPNDR 400KHZ I2C 16SO |
4,962 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA8574TS,118IC XPNDR 400KHZ I2C 20SSOP |
2,790 | - |
|
Datasheet | - | 20-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
PCAL9538ABS,128IC XPNDR 400KHZ I2C 16HVQFN |
2,067 | - |
|
Datasheet | Agile | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (3x3) |
|
|
PCAL9554CBS,128IC XPND 400KHZ I2C SMBUS 16HVQFN |
4,965 | - |
|
Datasheet | Agile | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (3x3) |
|
|
PCA9674BS,118IC XPNDR 1MHZ I2C 16HVQFN |
1,625 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | 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-HVQFN (3x3) |
I/O Expanders FAQ
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