| PartNumber | C8051F385-GQ | C8051F385-GM | C8051F385-GMR |
| Description | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU | 8-bit Microcontrollers - MCU USB-Flash-64k-QFN32 OTP available (T626-GM) |
| 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 | LQFP-32 | QFN-32 | QFN-32 |
| Series | C8051F385 | C8051F385 | C8051F385 |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 4.25 kB | 4.25 kB | 4.25 kB |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 25 I/O | 25 I/O | 25 I/O |
| Operating Supply Voltage | 2.7 V to 5.25 V | 2.7 V to 5.25 V | 2.7 V to 5.25 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tube | Reel |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | FIFO | FIFO | FIFO |
| Interface Type | USB | USB | USB |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 6 Timer | 6 Timer | 6 Timer |
| Processor Series | C8051 | C8051 | C8051 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 73 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.005742 oz | 0.001764 oz | 0.002449 oz |