| Model Number |
| AT80C51RA2-3CSUM |
AT89C2051-12PU |
| Model Name |
| Microchip Tech AT80C51RA2-3CSUM |
Microchip Tech AT89C2051-12PU |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 4.5V~5.5V 51Series 2MHz 32 PDIL-40 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
2KB 2.7V~6V 51Series 12MHz 15 DIP-20 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.000 grams / 0.035274 oz |
2.960 grams / 0.104411 oz |
| Package / Case |
| PDIL-40 |
DIP-20 |
| Package / Arrange |
| Tube-packed |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
EAR99 |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 4.5V~5.5V |
2.7V~6V |
| CPU Core |
| 51Series |
51Series |
| Secure Digital Input and Output |
| - |
N/A |
| CPU Maximum Speed |
| 2MHz |
12MHz |
| Direct Memory Access |
| Yes |
N/A |
| Universal Serial Bus |
| - |
N/A |
| GPIO Ports Number |
| 32 |
15 |
