| Key | Value |
|---|---|
| Base Product Number | AT89C51 |
| Category | Integrated Circuits (ICs) |
| Connectivity | UART/USART |
| Core Processor | 80C51 |
| Core Size | 8-Bit |
| Data Converters | - |
| EEPROM Size | - |
| Mfr | Microchip Technology |
| Mounting Type | Surface Mount |
| Number of I/O | 32 |
| Operating Temperature | 0?C ~ 70?C (TA) |
| Oscillator Type | Internal |
| Package | Tube |
| Package / Case | 44-LCC (J-Lead) |
| Peripherals | - |
| Product Status | Obsolete |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 128 x 8 |
| Series | 89C |
| Speed | 24MHz |
| Supplier Device Package | 44-PLCC (16.6x16.6) |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 6V |