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| PartNumber | MK20DX256VLK7 | MK20DX256VLK7R | MK20DX256VLK7R-CUT TAPE |
| Description | ARM Microcontrollers - MCU KINETIS 256K USB | ARM Microcontrollers - MCU KINETIS 256K USB 72MHz | |
| Manufacturer | NXP | NXP | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-80 | - | - |
| Series | K20_72 | - | - |
| Core | ARM Cortex M4 | ARM Cortex M4 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 72 MHz | 72 MHz | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 64 kB | 64 kB | - |
| Operating Supply Voltage | 3.3 V | 1.71 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tray | Reel | - |
| Brand | NXP / Freescale | NXP / Freescale | - |
| Analog Supply Voltage | 3.3 V | 1.71 V to 3.6 V | - |
| I/O Voltage | 3.3 V | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | K20 | K20 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 96 | 1000 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 1.71 V | 1.71 V | - |
| Tradename | Kinetis | - | - |
| Part # Aliases | 935324551557 | 935324551528 | - |
| Unit Weight | 0.017320 oz | 0.017320 oz | - |
| ADC Resolution | - | 16 bit | - |
| Number of I/Os | - | 52 I/O | - |
| Product | - | MCU+DSP | - |
| Program Memory Type | - | Flash | - |
| Data RAM Type | - | SRAM | - |
| Data ROM Size | - | 2 kB | - |
| Data ROM Type | - | EEPROM | - |
| Interface Type | - | CAN, I2C, I2S, SPI, UART, USB | - |
| DAC Resolution | - | 12 bit | - |
| Development Kit | - | FRDM-K20D50M | - |
| Number of ADC Channels | - | 2 Channel | - |
| Number of Timers/Counters | - | 2 x 16 bit, 1 x 32 bit | - |
| Watchdog Timers | - | Watchdog Timer | - |