The C8051F851-C-GM is an 8-bit microcontroller from Silicon Labs' C8051F85x series.

• Core Processor: 8051
• Speed: 25MHz
• Packaging: Tube
• Standard Package: 91 pieces
• Core Size: 8-Bit
• Connectivity: I2C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• I/O Pins: 15
• Program Memory Size: 4KB (4K x 8)
• Memory Type: FLASH
• Voltage Range: 2.2V to 3.6V
• Temperature Range: -40°C to 85°C
• Status: Active

The C8051F851-C-GM is an active product and commonly used in applications that require embedded microcontrollers for control and communication.