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| PartNumber | STM8S105K4T6C | STM8S105K4T6CTR | STM8S105K4T6 |
| Description | 8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt | 8-bit Microcontrollers - MCU Access line MCU 32Kbyt 16 MHz | |
| Manufacturer | STMicroelectronics | STMicroelectronics | ST |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-32 | LQFP-32 | - |
| Series | STM8S105K4 | STM8S105K4 | - |
| Core | STM8 | STM8 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 16 MHz | - | - |
| Program Memory Size | 16 kB | 16 kB | - |
| Data RAM Size | 2 kB | 2 kB | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 25 I/O | 25 I/O | - |
| Operating Supply Voltage | 2.95 V to 5.5 V | 2.95 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Height | 1.4 mm | - | - |
| Length | 7 mm | - | - |
| Program Memory Type | Flash | EEPROM/Flash | - |
| Width | 7 mm | - | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Data RAM Type | RAM | RAM | - |
| Data ROM Size | 1024 B | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | I2C, SPI, UART | I2C, IrDA, LIN, SPI, UART | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 7 | - | - |
| Number of Timers/Counters | 8 Timer | 7 Timer | - |
| Processor Series | STM8S10x | STM8S10x | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 1500 | 2400 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.95 V | - | - |
| Unit Weight | 0.027302 oz | 0.027302 oz | - |
| Packaging | - | Reel | - |