EFM8UB20 Series

Catalog

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

Part	Number of I/O	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Package / Case	Connectivity	Program Memory Type	RAM Size Depth	RAM Size Width	Core Size (Bit Width)	Speed	Program Memory Size	Program Memory Width	Program Memory Depth	Peripherals	Oscillator Type	Core Processor	Package Width	Package Name	Package Length	A/D Channels	A/D Resolution (bits)	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum
SILICON LABS EFM8UB20F32G-B-QFN32R	25	85 °C	-40 °C	Surface Mount	32-VFQFN Exposed Pad	I2C SMBus SPI UART USART USB	FLASH	2.25 K	8 bit	8 Bit	48 MHz	32 KB	8 bit	32 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	5 mm	32-QFN	5 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F64G-B-QFN32R	25	85 °C	-40 °C	Surface Mount	32-VFQFN Exposed Pad	I2C SMBus SPI UART USART USB	FLASH	4.25 K	8 bit	8 Bit	48 MHz	64 KB	8 bit	64 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	5 mm	32-QFN	5 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F32G-A-QFN32	25	85 °C	-40 °C	Surface Mount	32-VFQFN Exposed Pad	I2C SMBus SPI UART USART USB	FLASH	2.25 K	8 bit	8 Bit	48 MHz	32 KB	8 bit	32 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	5 mm	32-QFN	5 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F64G-B-QFP48	40	85 °C	-40 °C	Surface Mount	48-TQFP	EBI EMI I2C SMBus SPI UART USART USB	FLASH	4.25 K	8 bit	8 Bit	48 MHz	64 KB	8 bit	64 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	7 mm	48-TQFP	7 mm	32 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F64G-A-QFN32R	25	85 °C	-40 °C	Surface Mount	32-VFQFN Exposed Pad	I2C SMBus SPI UART USART USB	FLASH	4.25 K	8 bit	8 Bit	48 MHz	64 KB	8 bit	64 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	5 mm	32-QFN	5 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F32G-B-QFP32R	25	85 °C	-40 °C	Surface Mount	32-LQFP	I2C SMBus SPI UART USART USB	FLASH	2.25 K	8 bit	8 Bit	48 MHz	32 KB	8 bit	32 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	7 mm	32-QFP	7 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F64G-A-QFP32R	25	85 °C	-40 °C	Surface Mount	32-LQFP	I2C SMBus SPI UART USART USB	FLASH	4.25 K	8 bit	8 Bit	48 MHz	64 KB	8 bit	64 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	7 mm	32-QFP	7 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F64G-A-QFN32	25	85 °C	-40 °C	Surface Mount	32-VFQFN Exposed Pad	I2C SMBus SPI UART USART USB	FLASH	4.25 K	8 bit	8 Bit	48 MHz	64 KB	8 bit	64 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	5 mm	32-QFN	5 mm	20 count	10 bit	2.65 V	3.6 V
SILICON LABS EFM8UB20F64G-A-QFP48R	40	85 °C	-40 °C	Surface Mount	48-TQFP	EBI EMI I2C SMBus SPI UART USART USB	FLASH	4.25 K	8 bit	8 Bit	48 MHz	64 KB	8 bit	64 K	Brown-out Detect POR PWM Reset WDT	Internal	CIP-51 8051	7 mm	48-TQFP	7 mm	32 count	10 bit	2.65 V	3.6 V