EFM8UB20F64G-B-QFP48

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Silicon Labs

8051 48 MHZ 64 KB FLASH 4 KB RAM 8-BIT UNIVERSAL BEE MCU

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EFM8UB20F64G-B-QFP48

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Silicon Labs

8051 48 MHZ 64 KB FLASH 4 KB RAM 8-BIT UNIVERSAL BEE MCU

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EFM8UB20F64G-B-QFP48

Connectivity	EBI/EMI, I2C, USB, SMBus, UART/USART, SPI
Core Processor	CIP-51 8051
Core Size	8-Bit
Mounting Type	Surface Mount
Number of I/O	40
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	48-TQFP
Program Memory Size	64 KB
Program Memory Type	FLASH
RAM Size	4.25 K
Speed	48 MHz
Supplier Device Package	48-TQFP (7x7)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	2.65 V

EFM8UB20 Series

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

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Arrow	N/A	1	$ 1.32
Digikey	Tray	1	$ 4.26
		10	$ 3.82
		25	$ 3.61
		80	$ 3.13
		250	$ 2.97
		500	$ 2.67
		1000	$ 2.25
		2500	$ 2.14

Description

General part information

EFM8UB20 Series

CIP-51 8051 Universal Bee Microcontroller IC 8-Bit 48MHz 64KB (64K x 8) FLASH 48-TQFP (7x7)

Documents

Technical documentation and resources