For Reference Only
| Part Number | EFM8BB21F16G-C-QFN20 |
| Manufacturer | Silicon Labs |
| Category | Integrated Circuits (ICs) › Microcontrollers |
| Description | IC MCU 8BIT 16KB FLASH 20QFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | EFM8BB21F16G-C-QFN20 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 19 - Dec 23 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | EFM8BB21F16G-C-QFN20 |
| Brand: | Silicon Labs |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Microcontrollers |
| Manufacturer: | Silicon Labs |
| Product 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 ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-UFQFN Exposed Pad |
| Supplier Device Package: | 20-QFN (3x3) |
| CY8C4145LQI-PS423 | IC MCU 32BIT 32KB FLASH 48QFN | 38185 More on Order |
|
| Z8F0813PJ005EG2156 | IC MCU 8BIT 8KB FLASH 28DIP | 45538 More on Order |
|
| DF2238RTF13V | IC MCU 16BIT 256KB FLASH 100TQFP | 3221 More on Order |
|
| DF36049HV | IC MCU 16BIT 96KB FLASH 80QFP | 5621 More on Order |
|
| R5F51111AGNF#2A | IC MCU 32BIT 32KB FLASH 40HWQFN | 75229 More on Order |
|
| ADUCM331WFSBCPZ-RL | IC MCU 32BIT 128KB FLASH 32LFCSP | 5795 More on Order |
|
| R5F104LEAFP#10 | IC MCU 16BIT 64KB FLASH 64LQFP | 56212 More on Order |
|
| MC9S08PL32CQH | IC MCU 8BIT 32KB FLASH 64QFP | 20153 More on Order |
|
| ATMEGA406-1AAU | IC MCU 8BIT 40KB FLASH 48LQFP | 14633 More on Order |
|
| PIC32MX230F064B-I/SO | IC MCU 32BIT 64KB FLASH 28SOIC | 30316 More on Order |
|
| DSPIC33CH128MP202-I/2N | IC MCU 16BIT 152KB FLASH 28UQFN | 24824 More on Order |
|
| PIC18F4220-I/PT | IC MCU 8BIT 4KB FLASH 44TQFP | 11608 More on Order |
| In Stock | 61374 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.74000 | $0.74 |
| 25 | $0.67560 | $16.89 |
| 100 | $0.61430 | $61.43 |
| 1000 | $0.55283 | $552.83 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.