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| PartNumber | STM8AL3166TCY | STM8AL3166TAY | STM8AL3166TAX |
| Description | 8-bit Microcontrollers - MCU 8 BITS MICROCONTR | 8-bit Microcontrollers - MCU 8 BITS MICROCONTR | 8-bit Microcontrollers - MCU 8 BITS MICROCONTR |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-32 | - | - |
| Series | STM8AL3166 | STM8AL3166 | STM8AL3166 |
| Core | STM8 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 16 MHz | - | - |
| Program Memory Size | 32 kB | - | - |
| Data RAM Size | 2 kB | - | - |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 30 I/O | - | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | RAM | - | - |
| Data ROM Size | 1 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | I2C, SPI, USART | - | - |
| DAC Resolution | 12 bit | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 22 Channel | - | - |
| Number of Timers/Counters | 3 x 16 bit, 1 x 8 bit | - | - |
| Processor Series | STM8AL | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 1500 | 2400 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | - | - | 0.091712 oz |