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| PartNumber | AT89S8252-24PC | AT89S8252-24PI | AT89S8252-24PU |
| Description | IC MCU 8BIT 8KB FLASH 40DIP | IC MCU 8BIT 8KB FLASH 40DIP | |
| Manufacturer | Atmel | - | - |
| Product Category | Embedded - Microcontrollers | - | - |
| Series | 89S | - | - |
| Packaging | Tube | - | - |
| Package Case | 40-DIP (0.600", 15.24mm) | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | - | - |
| Supplier Device Package | 40-PDIP | - | - |
| Number of I O | 32 | - | - |
| Speed | 24MHz | - | - |
| EEPROM Size | 2K x 8 | - | - |
| Core Processor | 8051 | - | - |
| RAM Size | 256 x 8 | - | - |
| Program Memory Type | FLASH | - | - |
| Peripherals | POR, WDT | - | - |
| Connectivity | SPI, UART/USART | - | - |
| Voltage Supply Vcc Vdd | 4 V ~ 6 V | - | - |
| Core Size | 8-Bit | - | - |
| Program Memory Size | 8KB (8K x 8) | - | - |
| Data Converters | - | - | - |
| Oscillator Type | External | - | - |