EFM8UB20 Series

Catalog

8051 48 MHZ 32 KB FLASH 2 KB RAM 8-BIT UNIVERSAL BEE MCU

Part	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Core Size	Number of I/O	Data Converters	RAM Size	Oscillator Type	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Connectivity	Program Memory Size	Core Processor	Supplier Device Package	Package / Case	Program Memory Type	Speed
Silicon Labs EFM8UB20F32G-B-QFN32R	Surface Mount	85 °C	-40 °C	8-Bit	25	10 b 20	2.25 K	Internal	3.6 V	2.65 V	I2C SMBus SPI UART/USART USB	32 KB	CIP-51 8051	32-QFN (5x5)	32-VFQFN Exposed Pad	FLASH	48 MHz
Silicon Labs EFM8UB20F64G-B-QFN32R	Surface Mount	85 °C	-40 °C	8-Bit	25	10 b 20	4.25 K	Internal	3.6 V	2.65 V	I2C SMBus SPI UART/USART USB	64 KB	CIP-51 8051	32-QFN (5x5)	32-VFQFN Exposed Pad	FLASH	48 MHz
Silicon Labs EFM8UB20F32G-A-QFN32	Surface Mount	85 °C	-40 °C	8-Bit	25	10 b 20	2.25 K	Internal	3.6 V	2.65 V	I2C SMBus SPI UART/USART USB	32 KB	CIP-51 8051	32-QFN (5x5)	32-VFQFN Exposed Pad	FLASH	48 MHz
Silicon Labs EFM8UB20F64G-B-QFP48	Surface Mount	85 °C	-40 °C	8-Bit	40		4.25 K	Internal	3.6 V	2.65 V	EBI/EMI I2C SMBus SPI UART/USART USB	64 KB	CIP-51 8051	48-TQFP (7x7)	48-TQFP	FLASH	48 MHz
Silicon Labs EFM8UB20F64G-A-QFN32R	Surface Mount	85 °C	-40 °C	8-Bit	25	10 b 20	4.25 K	Internal	3.6 V	2.65 V	I2C SMBus SPI UART/USART USB	64 KB	CIP-51 8051	32-QFN (5x5)	32-VFQFN Exposed Pad	FLASH	48 MHz
Silicon Labs EFM8UB20F32G-B-QFP32R	Surface Mount	85 °C	-40 °C	8-Bit	25	10 b 20	2.25 K	Internal	3.6 V	2.65 V	I2C SMBus SPI UART/USART USB	32 KB	CIP-51 8051	32-QFP (7x7)	32-LQFP	FLASH	48 MHz
Silicon Labs EFM8UB20F64G-A-QFP32R	Surface Mount	85 °C	-40 °C	8-Bit	25	10 b 20	4.25 K	Internal	3.6 V	2.65 V	I2C SMBus SPI UART/USART USB	64 KB	CIP-51 8051	32-QFP (7x7)	32-LQFP	FLASH	48 MHz
Silicon Labs EFM8UB20F64G-A-QFP48R	Surface Mount	85 °C	-40 °C	8-Bit	40		4.25 K	Internal	3.6 V	2.65 V	EBI/EMI I2C SMBus SPI UART/USART USB	64 KB	CIP-51 8051	48-TQFP (7x7)	48-TQFP	FLASH	48 MHz