| PartNumber | MCF51QU64VHS | MCF51QU64VLF | MCF51QU64VLFR |
| Description | 32-bit Microcontrollers - MCU COLDFIREV1 64K FLASH | 32-bit Microcontrollers - MCU COLDFIREV1 64K FLASH | 32-bit Microcontrollers - MCU MCF51Qx 32-bit MCU, ColdFire V1 core, 64KB Flash, 50MHz, QFP 48 |
| Manufacturer | NXP | NXP | NXP |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-44 | LQFP-48 | - |
| Series | MCF51Qx | MCF51Qx | - |
| Core | ColdFire V1 | ColdFire V1 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 50 MHz | 50 MHz | - |
| Program Memory Size | 64 kB | 64 kB | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tray | Tray | Reel |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | MCF51QU128 | MCF51QU128 | - |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 250 | 2000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | ColdFire | ColdFire | - |
| Part # Aliases | 935314766557 | 935314655557 | 935314655528 |
| Unit Weight | 0.003450 oz | 0.006288 oz | 0.006288 oz |