EFM8BB21F16A-C-QFN20

Part No :: EFM8BB21F16A-C-QFN20

Manufacturer: Silicon Labs

VIGOR # :: 3653236

Description: IC MCU 8BIT 16KB FLASH 20QFN

Catalog: Embedded - Microcontrollers

DataSheet: EFM8BB21F16A-C-QFN20 PDF

Country of origin: -

Date code: -

EFM8BB21F16A-C-QFN20 Specifications

Type	Description
Series:	Automotive, AEC-Q100, Busy Bee
Package:	Tube
Part Status:	Active
Core Processor:	CIP-51 8051
Core Size:	8-Bit
Speed:	50MHz
Connectivity:	I²C, SMBus, SPI, UART/USART
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:	16
Program Memory Size:	16KB (16K x 8)
Program Memory Type:	FLASH
EEPROM Size:	-
RAM Size:	2.25K x 8
Voltage - Supply (Vcc/Vdd):	2.2V ~ 3.6V
Data Converters:	A/D 15x12b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-QFN (3x3)

Alternative Products

Part Number	Manufacturer & Description	Compare
EFM8BB21F16I-C-QFN20R Match 100%	Silicon Labs IC MCU 8BIT 16KB FLASH 20QFN	EFM8BB21F16A-C-QFN20 vs EFM8BB21F16I-C-QFN20R
EFM8BB21F16I-C-QFN20 Match 100%	Silicon Labs IC MCU 8BIT 16KB FLASH 20QFN	EFM8BB21F16A-C-QFN20 vs EFM8BB21F16I-C-QFN20
EFM8BB21F16A-C-QFN20R Match 100%	Silicon Labs IC MCU 8BIT 16KB FLASH 20QFN	EFM8BB21F16A-C-QFN20 vs EFM8BB21F16A-C-QFN20R

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 183

Shipped from

HK warehouse

Expected Shipping Date

Sep 07 - Sep 11 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$1.3300~~	~~$1.33~~
25	~~$1.2800~~	~~$32.00~~
100	~~$1.2308~~	~~$123.08~~
1000	~~$1.2179~~	~~$1 217.88~~

Current price of EFM8BB21F16A-C-QFN20 is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

Hot Products

MB90022PF-GS-429

IC MCU 16BIT 100QFP

R5F10ELEGFB#X0

IC MCU 16BIT 64KB FLASH 64LQFP

Z8F6422AR020SG

IC MCU 8BIT 64KB FLASH 64LQFP

EFM8BB21F16A-C-QFN20

EFM8BB21F16A-C-QFN20

3653236

Pricing(USD)