Integrated Circuits (ICs)

EFM8SB20F32G-B-QFN32R

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SILICON LABS

IC MCU 8BIT 32KB FLASH 32QFN

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Integrated Circuits (ICs)

EFM8SB20F32G-B-QFN32R

Active

SILICON LABS

IC MCU 8BIT 32KB FLASH 32QFN

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EFM8SB20F32G-B-QFN32R

Connectivity	SPI, EBI/EMI, UART/USART, I2C, SMBus
Core Processor	CIP-51 8051
Core Size	8-Bit
Data Converters	A/D 23x10b
Mounting Type	Surface Mount
Number of I/O	24
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Oscillator Type	Internal
Package / Case	32-VFQFN Exposed Pad
Program Memory Size	32 KB
Program Memory Type	FLASH
RAM Size	4.25 K
Speed	25 MHz
Supplier Device Package	32-QFN (5x5)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	1.8 V

EFM8SB20 Series

Part	Program Memory Type	Operating Temperature [Max]	Operating Temperature [Min]	Core Size	Data Converters	Number of I/O	Oscillator Type	Program Memory Size	Package / Case	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Mounting Type	Supplier Device Package	Connectivity	Speed	RAM Size	Core Processor
SILICON LABS EFM8SB20F16G-B-QFN24	FLASH	85 C	-40 ¯C	8-Bit	A/D 15x10b	16	Internal	16 KB	24-WFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	24-QFN (4x4)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F64G-B-QFP32	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	64 KB	32-LQFP	3.6 V	1.8 V	Surface Mount	32-QFP (7x7)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-B-QFN24R	FLASH	85 C	-40 ¯C	8-Bit	A/D 15x10b	16	Internal	32 KB	24-WFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	24-QFN (4x4)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-B-QFN32R	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	32 KB	32-VFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	32-QFN (5x5)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-A-QFP32R	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	32 KB	32-LQFP	3.6 V	1.8 V	Surface Mount	32-QFP (7x7)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-B-QFN32	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	32 KB	32-VFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	32-QFN (5x5)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-A-QFN24R	FLASH	85 C	-40 ¯C	8-Bit	A/D 15x10b	16	Internal	32 KB	24-WFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	24-QFN (4x4)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-A-QFP32	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	32 KB	32-LQFP	3.6 V	1.8 V	Surface Mount	32-QFP (7x7)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F64G-B-QFN32R	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	64 KB	32-VFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	32-QFN (5x5)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051
SILICON LABS EFM8SB20F32G-A-QFN32R	FLASH	85 C	-40 ¯C	8-Bit	A/D 23x10b	24	Internal	32 KB	32-VFQFN Exposed Pad	3.6 V	1.8 V	Surface Mount	32-QFN (5x5)	EBI/EMI I2C SMBus SPI UART/USART	25 MHz	4.25 K	CIP-51 8051

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 2.77
		10	$ 2.49
		25	$ 2.35
		100	$ 2.00
		250	$ 1.88
		500	$ 1.64
	Digi-Reel®	1	$ 2.77
		10	$ 2.49
		25	$ 2.35
		100	$ 2.00
		250	$ 1.88
		500	$ 1.64
	N/A	1500	$ 2.21
	Tape & Reel (TR)	1500	$ 1.36
		3000	$ 1.27
		7500	$ 1.22

Description

General part information

EFM8SB20 Series

CIP-51 8051 Sleepy Bee Microcontroller IC 8-Bit 25MHz 32KB (32K x 8) FLASH 32-QFN (5x5)

Documents

Technical documentation and resources