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| PartNumber | TS80C51RD2-MIA | TS80C51RD2-MIB | TS80C51RD2-MIE |
| Description | IC MCU 8BIT ROMLESS 40PDIL | IC MCU 8BIT ROMLESS 44PLCC | IC MCU 8BIT ROMLESS 44VQFP |
| Manufacturer | Atmel | - | - |
| Product Category | Embedded - Microcontrollers | - | - |
| Series | 80C | - | - |
| Packaging | Tube | - | - |
| Package Case | 40-DIP (0.600", 15.24mm) | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | - | - |
| Supplier Device Package | 40-PDIL | - | - |
| Number of I O | 32 | - | - |
| Speed | 40/20MHz | - | - |
| EEPROM Size | - | - | - |
| Core Processor | 80C51 | - | - |
| RAM Size | 768 x 8 | - | - |
| Program Memory Type | ROMless | - | - |
| Peripherals | POR, PWM, WDT | - | - |
| Connectivity | UART/USART | - | - |
| Voltage Supply Vcc Vdd | 4.5 V ~ 5.5 V | - | - |
| Core Size | 8-Bit | - | - |
| Program Memory Size | - | - | - |
| Data Converters | - | - | - |
| Oscillator Type | Internal | - | - |