10-13 NOV 2026 · Munich, Germany

MEET FIXCHIPS (C3-161) AT electronica 2026

Silicon Labs EFM8BB21F16G-C-QFN20

Silicon Labs EFM8BB21F16G-C-QFN20 electronic component product image

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Manufacturer
Manufacturer No
EFM8BB21F16G-C-QFN20
Date Code
26+
Quantity
99,000
Availability
In Stock
Package
20-UFQFN Exposed Pad
Packaging
Tube
Description
IC MCU 8BIT 16KB FLASH 20QFN
Detailed Description
CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3)
Payment
PayPalEast West BankVISAMastercardWestern Union
Delivery
DHLFedExUPSTNT
AS9120
ISO 13485
ERAI Member
VDE
ISO 9001
ISO 14001
Five-Star After-Sales Service Certification
Bavarian Chips Alliance
UKAS Management Systems
ANAB ISO/IEC 17021
IAF
Mfr
Silicon Labs
Speed
50MHz
Series
Busy Bee
RAM Size
2.25K x 8
Core Size
8-Bit
Packaging
Tube
EEPROM Size
-
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
I2C, SMBus, SPI, UART/USART
Mounting Type
Surface Mount
Number of I/O
16
Core Processor
CIP-51 8051
Package / Case
20-UFQFN Exposed Pad
Data Converters
A/D 15x12b
Oscillator Type
Internal
Base Product Number
EFM8BB21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
DigiKey Programmable
Not Verified
Operating Temperature
-40°C ~ 85°C (TA)
Supplier Device Package
20-QFN (3x3)
Voltage - Supply (Vcc/Vdd)
2.2V ~ 3.6V
AttributeValue
MfrSilicon Labs
Speed50MHz
SeriesBusy Bee
RAM Size2.25K x 8
Core Size8-Bit
PackagingTube
EEPROM Size-
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityI2C, SMBus, SPI, UART/USART
Mounting TypeSurface Mount
Number of I/O16
Core ProcessorCIP-51 8051
Package / Case20-UFQFN Exposed Pad
Data ConvertersA/D 15x12b
Oscillator TypeInternal
Base Product NumberEFM8BB21
Program Memory Size16KB (16K x 8)
Program Memory TypeFLASH
DigiKey ProgrammableNot Verified
Operating Temperature-40°C ~ 85°C (TA)
Supplier Device Package20-QFN (3x3)
Voltage - Supply (Vcc/Vdd)2.2V ~ 3.6V

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Packaging Process