TCA9554DWT vs TCA9554DWR Comparison
Detailed side-by-side comparison of TCA9554DWT by Texas Instruments and TCA9554DWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | TCA9554DWT | TCA9554DWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 8-bit I2C/SMBus I/O expander | — |
| Number of I/O Lines | 8 lines | — |
| Operating Supply Voltage Range | 1.65 V to 5.5 V | 1.65 V to 5.5 V |
| Interface | I2C/SMBus | — |
| Maximum I2C Clock Frequency | 400 kHz | 400 kHz |
| Supported Standard-Mode Clock Frequency | 100 kHz | — |
| Supported Fast-Mode Clock Frequency | 400 kHz | — |
| Number of Pins | 16 pins | — |
| Package | 16-pin SOIC | 16-pin SOIC |
| General-Purpose Input Ports | 8 configurable input lines | — |
| General-Purpose Output Ports | 8 configurable output lines | — |
| Interrupt Output | Yes | 1 open-drain interrupt output |
| Address Configuration Inputs | 3 address pins | — |
| Internal Pull-Up Capability | Weak pull-ups | — |
| Configuration Registers | Input, output, and polarity-inversion configuration registers | 8-bit input and output configuration registers |
| Mounting Type | Surface mount | Surface mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Supply Current | [DATA_NEEDED: typical and maximum supply current] | [DATA_NEEDED: typical and maximum supply current] |
| Number of I/O Ports | — | 8 ports |
| I/O Direction | — | Configurable input or output |
| Interface Type | — | I2C/SMBus |
| Hardware Address Inputs | — | 3 inputs, A0/A1/A2 |
| Maximum Devices per I2C Bus | — | 8 devices |
| Input Pull-Up Capability | — | Weak pull-ups |
| Input Logic Levels | — | [DATA_NEEDED: input voltage thresholds] |
| Output Logic Levels | — | [DATA_NEEDED: output voltage levels] |
| Output Drive Current | — | [DATA_NEEDED: output sink and source current] |
| Standby Current | — | [DATA_NEEDED: standby current] |
| Power-On Reset | — | Device returns to default state when supply voltage is cycled |