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| PartNumber | PCA9556PW | PCA9556PW,112 | PCA9556PW,118 |
| Description | I/O PORT, 8-BIT, 16 Pin, Plastic, TSSOP | Interface - I/O Expanders OCTAL SMBUS REG INTERFACE | Interface - I/O Expanders OCTAL SMBUS REG |
| Manufacturer | - | NXP Semiconductors | NXP Semiconductors |
| Product Category | - | Interface - I/O Expanders | Interface - I/O Expanders |
| Series | - | - | - |
| Packaging | - | Tube Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Package Case | - | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Output Type | - | Open Drain | Open Drain |
| Features | - | POR | POR |
| Interface | - | I2C, SMBus | I2C, SMBus |
| Voltage Supply | - | 3 V ~ 5.5 V | 3 V ~ 5.5 V |
| Supplier Device Package | - | 16-TSSOP | 16-TSSOP |
| Number of I O | - | 8 | 8 |
| Interrupt Output | - | Yes | Yes |
| Current Output Source Sink | - | 10mA, 20mA | 10mA, 20mA |
| Frequency Clock | - | 100kHz | 100kHz |