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Microchip AT89C52-20PI technical specifications.
| Package/Case | PDIP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 6V |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4V |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| RAM Size | 256B |
| RoHS Compliant | No |
| RoHS | Not Compliant |
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