8-bit microcontroller featuring an 8051 CPU core, operating at up to 25MHz. This FLASH memory device offers 2KB of program memory and 0.25KB of RAM, with an access time of 25µs. Integrated peripherals include I2C, UART, USART, SMBus, and 3 PWM channels, alongside 3 timers/counters and a watchdog timer. The component is housed in a lead-free QFN package with tin contact plating, supporting a supply voltage range of 2.7V to 3.6V.
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Silicon Labs C8051F305-GM technical specifications.
| Access Time | 25us |
| Package/Case | QFN |
| Contact Plating | Tin |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Density | 2KB |
| Frequency | 25MHz |
| Height | 0.89mm |
| Interface | I2C, UART, USART, SMBus, 2-Wire |
| Lead Free | Lead Free |
| Length | 3mm |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 2KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Number of Channels | 3 |
| Number of I/Os | 8 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 8 |
| Number of PWM Channels | 3 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 122 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 0.25KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | C8051F30x |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 3mm |
| RoHS | Compliant |
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