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| PartNumber | MKL03Z8VFG4 | MKL03Z8VFG4R | MKL03Z8VFK4 |
| Description | ARM Microcontrollers - MCU MKL03Z8VFG4/HUQFN16///TRAY MULTIPLE DP BAKEABLE | ARM Microcontrollers - MCU 8KB Flash 48MHz QFN 16 | ARM Microcontrollers - MCU MKL03Z8VFK4/HUQFN24///TRAY MULTIPLE DP BAKEABLE |
| 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-16 | - | QFN-24 |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | ARM Cortex M0+ |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 2 kB | 2 kB | 2 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 14 I/O | 14 I/O | 22 I/O |
| Operating Supply Voltage | 3.3 V | 1.71 V to 3.6 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Packaging | Tray | Reel | Tray |
| Length | 3 mm | - | 4 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 3 mm | - | 4 mm |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 8 kB | - | 8 kB |
| Data ROM Type | ROM | - | ROM |
| Interface Type | I2C, LPUART, SPI, UART | I2C, SPI, UART | I2C, LPUART, SPI, UART |
| Analog Supply Voltage | 3.3 V | 1.71 V to 3.6 V | 3.3 V |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 7 Channel | - | 7 Channel |
| Number of Timers/Counters | 4 Timer | 1 x 16 bit | 4 Timer |
| Processor Series | KL03 | KL03 | KL03 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 5000 | 490 |
| 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 |
| Part # Aliases | 935311554557 | 935311554528 | 935315381557 |
| Unit Weight | 0.000564 oz | 0.000564 oz | 0.001051 oz |
| Product | - | MCU | - |
| DAC Resolution | - | 6 bit | - |
| Watchdog Timers | - | Watchdog Timer | - |