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| PartNumber | STM32F446RCT6 | STM32F446MEY6TR | STM32F446MCY6TR |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-64 | UFBGA-81 | - |
| Series | STM32F446RC | STM32F446ME | STM32F446MC |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 180 MHz | 180 MHz | - |
| Program Memory Size | 256 kB | 512 kB | - |
| Data RAM Size | 128 kB | 128 kB | - |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 50 I/O | 63 I/O | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Product | MCU | MCU | MCU+FPU |
| Program Memory Type | Flash | Flash | - |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | - |
| Interface Type | I2C , LIN , SPI , UART | I2C , LIN , SPI , UART | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| DAC Resolution | 12 bit | 12 bit | 12 bit |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 12 x 16 bit , 2 x 32 bit | 12 x 16 bit , 2 x 32 bit | - |
| Processor Series | STM32L0 | STM32L0 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 960 | 5000 | 5000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.7 V | 1.7 V | 1.7 V |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.438385 oz | 0.000592 oz | - |
| Packaging | - | Reel | - |