EFM8BB21F16I-C-QFN20R · Microcontroller IC MCU 8BIT 16KB FLASH 20QFN
EFM8BB21F16I-C-QFN20R (Microcontroller IC MCU 8BIT 16KB FLASH 20QFN from Silicon Labs) comes in a 20-QFN package. Reference unit price: ¥1.4, minimum order 1 piece. Availability: In stock. Shenzhen Kewei Technology Co., Ltd. supplies this part from Huaqiangbei, Shenzhen, with tiered pricing, small-batch support and full BOM kitting. Prices and lead times are confirmed on inquiry.
| Part number | EFM8BB21F16I-C-QFN20R |
| Manufacturer | Silicon Labs |
| Description | Microcontroller IC MCU 8BIT 16KB FLASH 20QFN |
| Package | 20-QFN |
| Category | ICs / Microcontrollers |
| Reference price | ¥¥1.4 |
| Min. order | 1 pcs |
| Availability | In stock |
| Reference stock | 14,705 pcs |
EFM8BB21F16I-C-QFN20R tiered pricing (reference)
| Quantity | Reference unit price | Lead time |
|---|---|---|
| 1 pcs and up | ¥1.4 | In stock |
| 10 pcs and up | ¥1.17 | In stock |
| 100 pcs and up | ¥0.881 | In stock |
EFM8BB21F16I-C-QFN20R specifications
| 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 |
About the Microcontroller IC MCU 8BIT 16KB FLASH 20QFN
Silicon Labs CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3). In stock — 14,705 pcs available.
EFM8BB21F16I-C-QFN20R — frequently asked questions
Reference availability: 14,705 pcs, In stock. Stock and lead time are confirmed on inquiry — please contact our sales team for the latest status before ordering.
Reference unit price is ¥1.4, minimum order 1 piece. Tiered pricing: 1 pcs and up: ¥1.4, 10 pcs and up: ¥1.17, 100 pcs and up: ¥0.881. Send us your required quantity for a firm quotation.
EFM8BB21F16I-C-QFN20R is manufactured by Silicon Labs in a 20-QFN package, filed under ICs / Microcontrollers. Silicon Labs CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3). In stock — 14,705 pcs available.
The minimum order quantity for EFM8BB21F16I-C-QFN20R is 1 pcs. We support small-batch trial runs as well as volume kitting, and can supply full reels, cut tape or loose parts.
Yes. Send us the original part number or the key parameters (Core Processor, Core Size, Speed) and we will come back with pin-compatible alternatives and a quotation.
Call or WeChat +86 191 2521 1182, email 19125211182@163.com, or upload your BOM on our BOM sourcing page. We normally reply with a quotation within two hours.
Yes. We are based in Huaqiangbei, Shenzhen and ship worldwide by express courier. Tell us your destination and we will quote shipping with the parts.
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