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| PartNumber | MK20DX256VLK7 | MK20DX256VLK10 | MK20DX256VLK10R |
| Description | ARM Microcontrollers - MCU KINETIS 256K USB | ARM Microcontrollers - MCU KINETIS 256K FLEX USB | ARM Microcontrollers - MCU 256KB Flash 100MHz |
| Manufacturer | NXP | NXP | NXP |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-80 | LQFP-80 | - |
| Series | K20_72 | K20_72 | - |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 72 MHz | 100 MHz | 100 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 64 kB | 128 kB | 64 kB |
| Operating Supply Voltage | 3.3 V | 3.3 V | 1.71 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 85 C | + 105 C |
| Packaging | Tray | Tray | Reel |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Analog Supply Voltage | 3.3 V | 3.3 V | 1.71 V to 3.6 V |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Processor Series | K20 | Kinetis | K20 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 96 | 96 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Tradename | Kinetis | Kinetis | - |
| Part # Aliases | 935324551557 | 935324541557 | 935324541528 |
| Unit Weight | 0.017320 oz | 0.017320 oz | 0.017320 oz |
| ADC Resolution | - | 16 bit | 16 bit |
| Program Memory Type | - | Flash | Flash |
| Data RAM Type | - | RAM | SRAM |
| Interface Type | - | CAN, I2C, I2S, SPI, UART, USB | CAN, I2C, I2S, SPI, UART, USB |
| Number of ADC Channels | - | 2 | 2 Channel |
| Number of Timers/Counters | - | 5 Timer | 2 x 16 bit, 1 x 32 bit |
| Number of I/Os | - | - | 52 I/O |
| Product | - | - | MCU+DSP |
| Data ROM Size | - | - | 4 kB |
| Data ROM Type | - | - | EEPROM |
| DAC Resolution | - | - | 12 bit |
| Development Kit | - | - | FRDM-K20D50M |
| Watchdog Timers | - | - | Watchdog Timer |