8-bit Microcontrollers - MCU RO 556-AT89S51-24PC
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| Package/Case | PDIP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Max Frequency | 12MHz |
| Max Operating Temperature | 70°C |
| Max Supply Voltage | 6V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | 0°C |
| Min Supply Voltage | 4V |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 2 |
| Operating Supply Voltage | 5V |
| Package Quantity | 37 |
| RAM Size | 128B |
| RoHS Compliant | No |
| RoHS | Not Compliant |
