8-bit CISC microcontroller featuring an 8051 core architecture and 2KB of FLASH program memory. Operates at a maximum frequency of 12MHz with an 8-bit data bus width. Offers 128B of RAM, 15 I/Os, 2 timers/counters, and 1 UART channel. Supports dual voltage operation at 3.3V and 5V, with a supply voltage range of 2.7V to 6V. Packaged in a 20-pin PDIP for through-hole mounting, with an operating temperature range of -40°C to 85°C.
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Microchip AT89C2051-12PU technical specifications.
| Access Time | 12us |
| Package/Case | PDIP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 12MHz |
| Height | 4.963mm |
| Lead Free | Lead Free |
| Length | 26.92mm |
| Max Frequency | 12MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 6V |
| Memory Size | 2KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Through Hole |
| Number of I/Os | 15 |
| Number of Timers/Counters | 2 |
| Number of UART Channels | 1 |
| RAM Size | 128B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Width | 7.112mm |
| RoHS | Compliant |
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