Specification of AT89S51
| Datasheets | AT89S51 |
| Product Photos | 40-DIP Pkg |
| Standard Package | 10 |
| Category | Integrated Circuits (ICs) |
| Family | Embedded – Microcontrollers |
| Series | 89S |
| Packaging | Tube |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | UART/USART |
| Peripherals | WDT |
| Number of I /O | 32 |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | – |
| RAM Size | 128 x 8 |
| Voltage – Supply (Vcc/Vdd) | 4 V ~ 5.5 V |
| Data Converters | – |
| Oscillator Type | Internal |
| Operating Temperature | 0?C ~ 70?C |
| Package / Case | 40-DIP (0.600″, 15.24mm) |
