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| PartNumber | AT89C51AC2-RLTUM | AT89C51AC2-IM | AT89C51AC2-SLSCM |
| Description | 8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V | ||
| Manufacturer | Microchip | ATMEL | - |
| Product Category | 8-bit Microcontrollers - MCU | IC Chips | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | VQFP-44 | - | - |
| Series | 89C | - | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 40 MHz | - | - |
| Program Memory Size | 32 kB | - | - |
| Data RAM Size | 1.25 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 34 I/O | - | - |
| Operating Supply Voltage | 3 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Height | 1.45 mm | - | - |
| Length | 10.1 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Width | 10.1 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 2 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | UART | - | - |
| Analog Supply Voltage | - | - | - |
| DAC Resolution | - | - | - |
| I/O Voltage | - | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 Channel | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | AT89C51AC2 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 160 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 3 V | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.059542 oz | - | - |