Specification	C8051F305R

Connectivity	SMBus (2-Wire/I2C), UART, USART
Core Processor	8051
Core Size (Bit Width)	8 Bit
Mounting Type	Surface Mount
Number of I/O	8
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package / Case	10-VFDFN Exposed Pad
Package Length	3 mm
Package Name	11-QFN
Package Width	3 mm
Peripherals	WDT, POR, PWM
Program Memory Depth	2 K
Program Memory Size	2 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	256
RAM Size Width	8 bit
Speed	25 MHz
Voltage - Supply (Vcc/Vdd) Maximum	3.6 V
Voltage - Supply (Vcc/Vdd) Minimum	2.7 V

C8051F305 Series

Part	Core Processor	Oscillator Type	Connectivity	Package / Case	Operating Temperature (Max)	Operating Temperature (Min)	Peripherals	RAM Size Width	RAM Size Depth	Program Memory Width	Program Memory Depth	Program Memory Size	Core Size (Bit Width)	Mounting Type	Program Memory Type	Package Name	Package Width	Package Length	Number of I/O	Voltage - Supply (Vcc/Vdd) Maximum	Voltage - Supply (Vcc/Vdd) Minimum	Speed
SILICON LABS C8051F305R	8051	Internal	SMBus (2-Wire/I2C) UART USART	10-VFDFN Exposed Pad	85 °C	-40 °C	POR PWM WDT	8 bit	256	8 bit	2 K	2 KB	8 Bit	Surface Mount	FLASH	11-QFN	3 mm	3 mm	8	3.6 V	2.7 V	25 MHz
SILICON LABS C8051F305	8051	Internal	SMBus (2-Wire/I2C) UART USART	10-VFDFN Exposed Pad	85 °C	-40 °C	POR PWM WDT	8 bit	256	8 bit	2 K	2 KB	8 Bit	Surface Mount	FLASH	11-QFN	3 mm	3 mm	8	3.6 V	2.7 V	25 MHz
SILICON LABS C8051F305-GM	8051	Internal	SMBus (2-Wire/I2C) UART USART	10-VFDFN Exposed Pad	85 °C	-40 °C	POR PWM WDT	8 bit	256	8 bit	2 K	2 KB	8 Bit	Surface Mount	FLASH	11-QFN	3 mm	3 mm	8	3.6 V	2.7 V	25 MHz
SILICON LABS C8051F305-GSR	8051	Internal	SMBus (2-Wire/I2C) UART USART		85 °C	-40 °C	POR PWM WDT	8 bit	256	8 bit	2 K	2 KB	8 Bit	Surface Mount	FLASH	14-SOIC	3.9 mm	0.154 in	8	3.6 V	2.7 V	25 MHz

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