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| Part Number | PCA9557BSHP | PCA9555BSHP |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Product Status | Obsolete | Active |
| Number of I/O | 8 | 16 |
| Interface | I²C, SMBus | I²C, SMBus |
| Interrupt Output | No | Yes |
| Features | POR | POR |
| Output Type | Open Drain | Push-Pull |
| Current - Output Source/Sink | 10mA, 20mA | 10mA, 25mA |
| Clock Frequency | 400 kHz | 400 kHz |
| Voltage - Supply | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-VQFN Exposed Pad | 24-VFQFN Exposed Pad |
| Supplier Device Package | 16-HVQFN (4x4) | 24-HVQFN (4x4) |
