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| PartNumber | PCA9555HF118 | PCA9555HF,118 | PCA9555HF |
| Description | Parallel I/O Port 16-Bit 16 I/O | Interface - I/O Expanders 16-BIT I2C FM TP | |
| Manufacturer | - | NXP Semiconductors | - |
| Product Category | - | Interface - I/O Expanders | - |
| Series | - | - | - |
| Packaging | - | Digi-ReelR Alternate Packaging | - |
| Package Case | - | 24-WFQFN Exposed Pad | - |
| Operating Temperature | - | -40°C ~ 85°C | - |
| Mounting Type | - | Surface Mount | - |
| Output Type | - | Push-Pull | - |
| Features | - | POR | - |
| Interface | - | I2C, SMBus | - |
| Voltage Supply | - | 2.3 V ~ 5.5 V | - |
| Supplier Device Package | - | 24-HWQFN (4x4) | - |
| Number of I O | - | 16 | - |
| Interrupt Output | - | Yes | - |
| Current Output Source Sink | - | 10mA, 25mA | - |
| Frequency Clock | - | 400kHz | - |