| PartNumber | AT87C52X2-RLRUM | AT87C52X2-RLTUL | AT87C52X2-RLTUM |
| Description | 8-bit Microcontrollers - MCU 0.5um | IC MCU 8BIT 8KB OTP 44VQFP | IC MCU 8BIT 8KB OTP 44VQFP |
| Manufacturer | Microchip | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | VQFP-44 | - | - |
| Core | 80C51 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 60 MHz | - | - |
| Program Memory Size | 8 kB | - | - |
| Data RAM Size | 256 B | - | - |
| ADC Resolution | No ADC | - | - |
| Number of I/Os | 32 I/O | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Product | MCU | - | - |
| Program Memory Type | OTP | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Interface Type | UART | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1500 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |