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| PartNumber | TCA9554DBQR | TCA9554DBR | TCA9554DWR |
| Description | Interface - I/O Expanders Remote 8-bit I2C SMBus I/O Expander | Interface - I/O Expanders Remote 8-Bit I2C and SMBus I/O Expander 16-SSOP -40 to 85 | IC I/O EXPANDER I2C 8BIT 16-SOIC |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 8 I/O | - | - |
| Interface Type | I2C, Serial, SMBus | - | - |
| Maximum Clock Frequency | 400 kHz | - | - |
| Interrupt Output | With Interrupt | - | - |
| Operating Supply Voltage | 1.65 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SSOP-16 | SSOP-16 | - |
| Packaging | Reel | Reel | - |
| Features | Configuration Registers, Interrupt Pin | Configuration Registers, Interrupt Pin | - |
| Output Current | 10 mA, 25 mA | - | - |
| Output Type | Open Drain | - | - |
| Product | I/O Expanders | - | - |
| Series | TCA9554 | TCA9554 | - |
| Type | I/O Expander | - | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | TCA9554 | - | - |
| Development Kit | IO-EXPANDER-EVM | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 34 uA | - | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 2500 | 2000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.004586 oz | 0.014741 oz | - |