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| PartNumber | C8051F301-GMR | C8051F301-GM | C8051F301 |
| Description | 8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM) | 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU | 8-bit Microcontrollers - MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-11 | QFN-11 | QFN-11 |
| Series | C8051F301 | C8051F301 | C8051 |
| 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 | No ADC | 8 bit | 8 bit |
| Number of I/Os | 8 I/O | 8 I/O | 8 I/O |
| Operating Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tube | Tube |
| Height | 0.88 mm | 0.88 mm | 0.88 mm |
| Length | 3 mm | 3 mm | 3 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 3 mm | 3 mm | 3 mm |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Interface Type | I2C, SMBus, UART | I2C, SMBus, UART | I2C, SMBus, UART |
| Number of Timers/Counters | 3 Timer | 3 Timer | 16 Timer |
| Processor Series | C8051 | C8051 | C8051 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 122 | 122 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Unit Weight | 0.000850 oz | 0.000850 oz | 0.000850 oz |
| Data ROM Size | - | 128 B | 128 B |
| Data ROM Type | - | Flash | Flash |
| Number of ADC Channels | - | 8 | 8 |
| Moisture Sensitive | - | - | Yes |