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TCA9555RTWR, IC I/O EXPANDER I2C 16B 24WQFN
TCA9555 I2C & SMBus I/O Expander
Texas Instruments TCA9555 I 2 C and SMBus I/O Expander are designed for the two-line bidirectional bus (I 2 C) and have a 1.65V to 5.5V V CC operation. These devices provide general-purpose remote I/O expansion for most microcontroller families via the I 2 C interface. The Texas Instruments TCA9555 consists of two 8-bit configurations (input or output selection), input port, output port, and polarity inversion (active high or active low operation) registers. At power-on, the I/Os are configured as inputs. The system master can enable the I/Os as inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding input or output register. The polarity of the input port register can be inverted with the polarity inversion register.
| Brand | Texas Instruments |
| ESD Protection | 2 kV |
| Factory Pack Quantity: Factory Pack Quantity | 3000 |
| Features | Configuration Registers, Interrupt Pin |
| Interface Type | I2C, Serial, SMBus |
| Interrupt Output | With Interrupt |
| Logic Family | TCA9555 |
| Manufacturer | Texas Instruments |
| Maximum Clock Frequency | 400 kHz |
| Maximum Operating Temperature | +85 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Number of I/Os | 16 I/O |
| Operating Supply Voltage | 1.65 V to 5.5 V |
| Package / Case | WQFN-24 |
| Product Category | Interface-I/O Expanders |
| Product Type | I/O Expanders |
| Product | I/O Expanders |
| Series | TCA9555 |
| Subcategory | Interface ICs |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 1.65 V |
| Type | I/O Expander |
| Clock Frequency | 400kHz |
| Interface | I2C;SMBus |
| Interrupt Output | 有中断输出 |
| Number of I/O | 16 |
| Operating Temperature | -40℃~+85℃ |
| Output Sink Current | 25mA |
| Output Source current | 10mA |
| Output Type | Push-pull |
| Supply Voltage | 1.65V~5.5V |
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