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| PartNumber | T89C51AC2-EM | T89C51AC2-IM | T89C51AC2-RLTIM |
| Description | IC MCU 8BIT 32KB FLASH 44VQFP | ||
| Manufacturer | - | ATMEL | Atmel |
| Product Category | - | IC Chips | Embedded - Microcontrollers |
| Series | - | - | 89C |
| Packaging | - | - | Tray |
| Package Case | - | - | 44-LQFP |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 44-VQFP (10x10) |
| Number of I O | - | - | 34 |
| Speed | - | - | 40MHz |
| EEPROM Size | - | - | 2K x 8 |
| Core Processor | - | - | 80C51 |
| RAM Size | - | - | 1.25K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | POR, PWM, WDT |
| Connectivity | - | - | UART/USART |
| Voltage Supply Vcc Vdd | - | - | 3 V ~ 5.5 V |
| Core Size | - | - | 8-Bit |
| Program Memory Size | - | - | 32KB (32K x 8) |
| Data Converters | - | - | A/D 8x10b |
| Oscillator Type | - | - | External |