| PartNumber | C8051F520-C-IM | C8051F520A-IM | C8051F520-C-IMR |
| Description | 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU | 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, DFN10 | 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, DFN10 |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | DFN-10 | QFN-20 | DFN-10 |
| Series | C8051F520 | C8051F520A | C8051F520 |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 25 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 6 I/O | 6 I/O | 6 I/O |
| Operating Supply Voltage | 2 V to 5.25 V | 1.5 V, 1.8 V to 2.7 V | 2 V to 5.25 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Qualification | AEC-Q100 | - | - |
| Packaging | Tube | Tube | Reel |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | - | RAM |
| Interface Type | SPI, UART | LIN 2.0, SPI, UART | SPI, UART |
| Number of ADC Channels | 1 Channel | 6 | 1 Channel |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | C8051F52x | C8051 | C8051F52x |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 122 | 122 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 V |
| Supply Voltage Min | 2 V | 1.8 V | 2 V |
| Unit Weight | 0.001764 oz | 0.000862 oz | 0.001764 oz |
| Height | - | 0.83 mm | - |
| Length | - | 3 mm | - |
| Width | - | 3 mm | - |
| Moisture Sensitive | - | - | Yes |