| PartNumber | MCP79520T-I/MS | MCP79520-I/MS | MCP79520T-I/MN |
| Description | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID | Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Packaging | Reel | Tube | Reel |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 2500 | 100 | 3300 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | MSOP-10 | - |
| RTC Bus Interface | - | Serial, SPI | - |
| RTC Memory Size | - | 2 kB | - |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 1.8 V | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Function | - | Calendar, Clock | - |
| Product | - | Real Time Clocks | - |
| Unit Weight | - | 0.001764 oz | - |