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| Part Number | PCA9554D | PCA9557D | PCA9554DW | PCA9554DB |
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Number of I/O | - | 8 | 8 | 8 |
| Interface | - | I²C, SMBus | I²C, SMBus | I²C, SMBus |
| Interrupt Output | - | No | Yes | Yes |
| Features | - | POR | POR | POR |
| Output Type | - | Open Drain, Push-Pull | Push-Pull | Push-Pull |
| Current - Output Source/Sink | - | 10mA, 25mA | 10mA, 25mA | 10mA, 25mA |
| Clock Frequency | - | 400 kHz | 400 kHz | 400 kHz |
| Voltage - Supply | - | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | - | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | - | 16-SOIC | 16-SOIC | 16-SSOP |
