8-bit microcontroller (MCU) featuring 32KB FLASH memory and 1.25KB RAM. Operates at up to 40MHz with an 8-bit address and data bus. Includes UART and USART interfaces, 8 ADC channels, and 3 timers/counters. Packaged in a 44-pin PLCC for surface mounting, with a 3V to 5.5V supply voltage range and operating temperatures from -40°C to 85°C.
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Microchip AT89C51AC2-SLSUM technical specifications.
| Access Time | 40us |
| Address Bus Width | 8b |
| Package/Case | PLCC |
| Core Architecture | 80C51 |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Height | 3.48mm |
| Interface | UART, USART |
| Lead Free | Lead Free |
| Length | 16.7mm |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 32KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 3V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of I/Os | 34 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | External |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT |
| RAM Size | 1.25KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | 89C |
| Width | 16.7mm |
| RoHS | Compliant |
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