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| PartNumber | MK20DX128VFM5 | MK20DX128VLF5 | MK20DX128VFT5 |
| Description | ARM Microcontrollers - MCU KINETIS 128K FLEX | ARM Microcontrollers - MCU KINETIS 128K FLEX | ARM Microcontrollers - MCU KINETIS 128K FLEX |
| 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 | QFN-32 | LQFP-48 | QFN-48 |
| Series | K20_50 | K20_50 | K20_50 |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit/16 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz | 50 MHz |
| Program Memory Size | 128 kB | 128 kB | 128 kB |
| Data RAM Size | 16 kB | 2 kB | 2 kB |
| Number of I/Os | 20 I/O | - | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Packaging | Tray | Tray | Tray |
| Height | 1 mm | - | - |
| Length | 5 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 5 mm | - | - |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Data RAM Type | RAM | - | - |
| Interface Type | I2C, I2S, SPI, USB | - | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | Kinetis | K20 | Kinetis K20 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 250 | 260 |
| 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 | Kinetis |
| Part # Aliases | 935321638557 | 935311001557 | 935311003557 |
| Unit Weight | 0.002275 oz | 0.006288 oz | 0.003961 oz |