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| PartNumber | MK40DX256VLL7 | MK40DX256VLK7 | MK40DX256VLH7 |
| Description | ARM Microcontrollers - MCU KINETIS 256K USB+SLCD | ARM Microcontrollers - MCU KINETIS 256K USB+SLCD | ARM Microcontrollers - MCU KINETIS 256K 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 | LQFP-100 | LQFP-80 | LQFP-64 |
| Series | K40_72 | K40_72 | K40_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 | 72 MHz | 72 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 64 kB | 64 kB | 32 kB |
| 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 |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| 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 |
| Processor Series | K40 | K40 | K40 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 96 | 160 |
| 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 | 935317549557 | 935317617557 | 935319829557 |
| Unit Weight | 0.024170 oz | 0.017320 oz | 0.012224 oz |