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| Part Number | PCA9554DW | PCA9555DW | PCA9554DWR | PCA9554PW | PCA9554ADW | PCA9554D | PCA9554DB |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | NXP USA Inc. | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete | Active | Active | Active |
| Number of I/O | 8 | 16 | 8 | 8 | 8 | - | 8 |
| Interface | I²C, SMBus | I²C, SMBus | I²C, SMBus | I²C, SMBus | I²C, SMBus | - | I²C, SMBus |
| Interrupt Output | Yes | Yes | Yes | Yes | Yes | - | Yes |
| Features | POR | POR | POR | POR | POR | - | POR |
| Output Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | - | Push-Pull |
| Current - Output Source/Sink | 10mA, 25mA | 10mA, 25mA | 10mA, 25mA | 10mA, 25mA | 10mA, 25mA | - | 10mA, 25mA |
| Clock Frequency | 400 kHz | 400 kHz | 400 kHz | 400 kHz | 400 kHz | - | 400 kHz |
| Voltage - Supply | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 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 | -40°C ~ 85°C | -40°C ~ 85°C | - | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 16-SOIC (0.295", 7.50mm Width) | - | 16-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 16-SOIC | 24-SOIC | 16-SOIC | 16-TSSOP | 16-SOIC | - | 16-SSOP |
