| PartNumber | P89LV51RB2BA/512 | P89LV51RB2BA,512 | P89LV51RB2BBC,557 |
| Description | 8-bit Microcontrollers - MCU | IC MCU 8BIT 16KB FLASH 44PLCC | IC MCU 8BIT 16KB FLASH 44TQFP |
| Manufacturer | NXP | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PLCC-44 | - | - |
| Core | 80C51 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 33 MHz | - | - |
| ADC Resolution | No ADC | - | - |
| Operating Supply Voltage | 2.7 V to 3.6 V | - | - |
| Height | 3.68 mm (Min) | - | - |
| Length | 16.66 mm (Max) | - | - |
| Width | 16.66 mm (Max) | - | - |
| Brand | NXP Semiconductors | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Unit Weight | 0.084185 oz | - | - |