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Microchip AT89C51RB2-RLRUL technical specifications.
| Access Time | 60us |
| Package/Case | LQFP |
| Core Architecture | 8051 |
| Frequency | 60MHz |
| Interface | SPI, UART, USART |
| Lead Free | Lead Free |
| Max Operating Temperature | 85°C |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | External |
| Package Quantity | 1 |
| Packaging | Cut Tape |
| Peripherals | POR, PWM, WDT |
| RAM Size | 1.25KB |
| Series | 89C |
| RoHS | Compliant |
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