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Silicon Labs EFM8BB21F16A-C-QFN20
MPN EFM8BB21F16A-C-QFN20
End of Life
Spot Stock · 24-48h Dispatch
100% Original Sealed
IC MCU 8BIT 16KB FLASH 20QFN
In Stock: 105 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d)
Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$3.10 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$3.10
10+ pcs
$2.79
30+ pcs
$2.54
100+ pcs
$2.29
Working on a production BOM or have a target unit price? Submit Target Price
[SPEC] Essential Parameters Snapshot Full Specifications (19)
Package / Case 20-WFQFN Exposed Pad
Supply Voltage 2.2V ~ 3.6V
Speed / Frequency 50MHz
Memory / RAM 2.25K x 8
Full Technical Specifications
19 ParametersPrimary Technical Parameters
| Parameter / Attribute | Specification / Value |
|---|---|
| Series | Busy Bee |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.2V ~ 3.6V |
| Operating temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Speed | 50MHz |
| Package | Tube |
| RAM size | 2.25K x 8 |
| Core size | 8-Bit |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
Additional Specifications
| Parameter / Attribute | Specification / Value |
|---|---|
| Connectivity | I2C, SMBus, SPI, UART/USART |
| Number of i (O) | 16 |
| Qualification | AEC-Q100 |
| Core processor | CIP-51 8051 |
| Case | 20-WFQFN Exposed Pad |
| Data converters | A/D 15x12b |
| Program memory size | 16KB (16K x 8) |
Series Sibling Variants
Silicon Labs Busy Bee Series Models
Sibling variants, package options, and speed/density grades in this Silicon Labs semiconductor series. Active Shenzhen warehouse allocation and rapid 24-48h dispatch.
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EFM8BB21F16A-C-QFN20
Verified Allocation