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| Part Number | PCA9555BSHP | PCA9557BSHP |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Product Status | Active | Obsolete |
| Number of I/O | 16 | 8 |
| Interface | I²C, SMBus | I²C, SMBus |
| Interrupt Output | Yes | No |
| Features | POR | POR |
| Output Type | Push-Pull | Open Drain |
| Current - Output Source/Sink | 10mA, 25mA | 10mA, 20mA |
| 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 | 24-VFQFN Exposed Pad | 16-VQFN Exposed Pad |
| Supplier Device Package | 24-HVQFN (4x4) | 16-HVQFN (4x4) |
