Integrated Circuits (ICs)

EFM8BB21F16G-C-QFN20

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SILICON LABS

8-BIT MICROCONTROLLERS - MCU 8051 50 MHZ 16 KB FLASH 2.25 KB RAM 8-BIT BUSY BEE MCU

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Integrated Circuits (ICs)

EFM8BB21F16G-C-QFN20

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SILICON LABS

8-BIT MICROCONTROLLERS - MCU 8051 50 MHZ 16 KB FLASH 2.25 KB RAM 8-BIT BUSY BEE MCU

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EFM8BB21F16G-C-QFN20

Connectivity	SMBus, I2C, SPI, UART/USART
Core Processor	CIP-51 8051
Core Size	8-Bit
Data Converters	A/D 15x12b
Mounting Type	Surface Mount
Number of I/O	16
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Oscillator Type	Internal
Package / Case	20-UFQFN Exposed Pad
Program Memory Size	16 KB
Program Memory Type	FLASH
RAM Size	2.25 K
Speed	50 MHz
Supplier Device Package	20-QFN (3x3)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	2.2 V

EFM8BB21 Series

Part	Package / Case	Oscillator Type	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Connectivity	RAM Size	Speed	Core Processor	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Program Memory Size	Supplier Device Package	Program Memory Type	Number of I/O	Data Converters	Core Size	Package / Case [y]	Qualification	Grade
SILICON LABS EFM8BB21F16G-C-QFN20	20-UFQFN Exposed Pad	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	85 C	-40 ¯C	Surface Mount	16 KB	20-QFN (3x3)	FLASH	16	A/D 15x12b	8-Bit
SILICON LABS EFM8BB21F16G-C-QSOP24R	24-SSOP	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	85 C	-40 ¯C	Surface Mount	16 KB	24-QSOP	FLASH	21	A/D 20x12b	8-Bit	0.154 in 3.9 mm Width
SILICON LABS EFM8BB21F16I-C-QFN20	20-WFQFN Exposed Pad	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	125 °C	-40 °C	Surface Mount	16 KB	20-QFN (3x3)	FLASH	16	A/D 15x12b	8-Bit
SILICON LABS EFM8BB21F16G-B-QSOP24R	24-SSOP	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	85 C	-40 ¯C	Surface Mount	16 KB	24-QSOP	FLASH	21	A/D 20x12b	8-Bit	0.154 in 3.9 mm Width
SILICON LABS EFM8BB21F16A-C-QFN20R	20-WFQFN Exposed Pad	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	125 °C	-40 °C	Surface Mount	16 KB	20-QFN (3x3)	FLASH	16	A/D 15x12b	8-Bit		AEC-Q100	Automotive
SILICON LABS EFM8BB21F16I-C-QSOP24	24-SSOP	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	125 °C	-40 °C	Surface Mount	16 KB	24-QSOP	FLASH	21	A/D 20x12b	8-Bit	0.154 in 3.9 mm Width
SILICON LABS EFM8BB21F16G-C-QFN20R	20-WFQFN Exposed Pad	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	85 C	-40 ¯C	Surface Mount	16 KB	20-QFN (3x3)	FLASH	16	A/D 15x12b	8-Bit
SILICON LABS EFM8BB21F16G-B-QFN20R	20-UFQFN Exposed Pad	Internal	3.6 V	2.2 V	I2C SMBus SPI UART/USART	2.25 K	50 MHz	CIP-51 8051	85 C	-40 ¯C	Surface Mount	16 KB	20-QFN (3x3)	FLASH	16	A/D 15x12b	8-Bit

Pricing

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

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 1.29
	Tube	1	$ 2.43
		10	$ 1.56
		25	$ 1.34
		100	$ 1.08
		250	$ 0.95
		500	$ 0.88
		1000	$ 0.81
		2500	$ 0.75
		5000	$ 0.70
Mouser	N/A	1	$ 2.36
		10	$ 1.53
		25	$ 1.17
		100	$ 0.88
		250	$ 0.78
		500	$ 0.74
		1000	$ 0.68
		4000	$ 0.66

Description

General part information

EFM8BB21 Series

CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3)

Documents

Technical documentation and resources