EFM8BB21F16I-C-QFN20 Price & Stock
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Manufacturer
Integrated Circuits (ICs) > Embedded - Microcontrollers
IC MCU 8BIT 16KB FLASH 20QFN
Specifications
| Series | Busy Bee |
| 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 |
| RAM Size | 2.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.2 V ~ 3.6 V |
| Data Converters | A/D 15x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Package / Case | 20-WFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (3x3) |
Hide
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Microchip Technology | IC MCU 8BIT 768B OTP 8DIP | 1499 |
|
Inquiry | |
| EFM8BB21F16I-C-QFN20R | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 7285 |
|
Inquiry |
Xinghuan International Trade Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | 46302 |
|
Inquiry |
Shenzhen Dasenic Electronic Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN Integrated Circuits (ICs)>Embedded - Microcontrollers
|
9660 |
|
Buy |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | DC:Active ; - | 2157 |
|
Inquiry |
Allelco Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||
|---|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20R | Energy Micro (Silicon Labs) | Integrated Circuits (ICs) > Specialized ICs
|
9890 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Energy Micro (Silicon Labs) | IC MCU 8BIT 16KB FLASH 20QFN ; 20-QFN (3x3) Embedded - Microcontrollers
|
Available |
|
Inquiry |
Heisener Electronics Co., Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN Embedded - Microcontrollers
|
11764 |
|
Buy | |
| EFM8BB21F16I-C-QFN20R | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN Embedded - Microcontrollers
|
4715 |
|
Buy |
Ersa Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 4291 |
|
Inquiry | |
| EFM8BB21F16I-C-QFN20R | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 26733 |
|
Inquiry |
LCSC
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20R | SKYWORKS/SILICON LABS | 16KB 2.25KB FLASH 16 2.2V~3.6V 51Series 50MHz QFN-20-EP(3x3) Microcontroller Units (MCUs/MPUs/SOCs) ROHS | 1500 |
|
Buy |
Weyland Electronics Group Pte. Ltd.
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20R | SILICON LABS | MCU (MCU/MPU/SOC) MCU (MCU/MPU/SOC)
|
1035 |
|
Buy |
PNEDA Technology Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | 8262 |
|
Inquiry |
Microchip USA
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tray | 1328 |
|
Inquiry |
Chips Pulse Industry Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | SKYWORKS/SILICON LABS | Purchase Online. Ship Immediately. 51Series 50MHz QFN-20(3x3) Microcontrollers (MCU/MPU/SOC) ROHS | 11 |
|
Buy |
Fly-Wing Technology (HK) Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | SILICON LABS EFM8BB21F16I-C-QFN20 8 Bit Microcontroller, EFM8 - Busy Bee, 50 MHz, 16 KB, 2.25 KB, 20 Pins, QFNNew | 8259 |
|
Buy |
Lvy Electronics
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | 2000 |
|
Inquiry | ||
| EFM8BB21F16I-C-QFN20 | 2000 |
|
Inquiry |
Hong Kong Brave Electronics
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | 20-WFQFN Exposed Pad | 10000 |
|
Inquiry |
Unikey Electronics Pte. Ltd.
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Laboratories | 3220 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 605 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 1636 |
|
Inquiry |
EA-chip Industry Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 2694 |
|
Inquiry |
Dechoele Technology
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | 5163 |
|
Inquiry |
Depu Electronics
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 2850 |
|
Inquiry |
Axis Part Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | SKYWORKS/SILICON LABS | 51Series 50MHz QFN-20(3x3) Microcontrollers (MCU/MPU/SOC) ROHS | 10 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Energy Micro (Silicon Labs) | IC MCU 8BIT 16KB FLASH 20QFN Embedded - Microcontrollers
|
In-Stock |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 2507 |
|
Inquiry |
Ample Chip
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 107526 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon | CIP-51 8051 Busy Bee IC 8 50MHz 16KBï¼16K x 8ï¼ 20-QFNï¼3x3ï¼ | In-Stock |
|
Inquiry |
Shenzhen Shengyu Electronics Tech Limited.
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 9856 |
|
Inquiry |
KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN ; DC:21+ ; 20-QFN (3x3) | 111 |
|
Inquiry | |
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN ; DC:23+ | 2850 |
|
Inquiry |
Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3) | 926 |
|
Inquiry |
DGT Technology (HK) Co., Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 10000 |
|
Inquiry |
He Qing Electronics Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3) ; Tube | 6032 |
|
Inquiry |
GlobalTek Components
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16ICQFN20 | SILICON LABS | OEM/CM QUOTES ONLY | NO BROKERS | 1762 |
|
Inquiry | |
| EFM8BB21F16ICQFN20R | SILICON LABS | OEM/CM QUOTES ONLY | NO BROKERS | 5175 |
|
Inquiry |
Nexxon, Inc. (USA)
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | In Stock |
|
Inquiry |
Lingto Electronic Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | DC:24+ ; Original New | 46156 |
|
Inquiry |
Authorized Procurement Solutions
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20R | SILICON LABS | 30000 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs / Bluegiga | 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU | in stock |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | SILICON | DC:1716+ ; 20-QFN | 2870 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Laboratories Inc | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 700 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | Silicon Labs | 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU | 20,880 |
|
Inquiry | |
| EFM8BB21F16I-C-QFN20R | Silicon Labs | IC MCU 8BIT 16KB FLASH 20QFN | 3,963 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
EFM8BB21F16ICQFN20
sku #: EFM8BB21F16ICQFN20
|
SILICON LABS | 2608 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16ICQFN20 | Siliconix / Vishay | OEM/CM ONLY | 40 |
|
Inquiry | |
| EFM8BB21F16ICQFN20R | Siliconix / Vishay | OEM/CM ONLY | 9100 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| EFM8BB21F16I-C-QFN20 | SiliconLabs | DC:18+17+ | 30125 |
|
Inquiry |
See Also:
EFM8BB21F16G-C-QFN20
EFM8BB21F16A-C-QFN20
EFM8BB21F16I-C-QFN20R
EFM8BB51F16I-C-QFN20
EFM8BB21F16G-C-QFN20R
EFM8BB52F16I-C-QFN20
EFM8BB51F16I-C-QFN20R
EFM8BB31F16I-C-QFN24
EFM8BB22F16I-C-QFN28
EFM8BB21F16G-B-QFN20
EFM8BB21F16A-C-QFN20R
EFM8BB51F16G-C-QFN20
EFM8BB31F16I-C-QFN24R
EFM8BB21F16G-B-QFN20R
EFM8BB31F16I-C-4QFN24
EFM8BB31F16I-C-QFN32
EFM8BB31F16I-C-QFN32R
EFM8BB52F16G-C-QFN20
EFM8BB22F16A-C-QFN28
EFM8BB22F16G-C-QFN28
EFM8BB51F16G-C-QFN20R
EFM8BB31F16I-B-QFN24
EFM8BB31F16I-D-QFN24
EFM8BB22F16I-C-QFN28R
EFM8BB52F16I-C-QFN20R
EFM8BB31F16G-C-QFN24
EFM8BB51F8I-C-QFN20
EFM8BB31F16I-C-4QFN24R
EFM8BB31F16G-C-QFN32R
EFM8BB31F16I-B-QFN32R
EFM8BB31F16G-A-QFN24
EFM8BB51F8I-C-QFN20R
EFM8BB22F16G-C-QFN28R
EFM8BB31F16I-C-QFP32R
EFM8BB31F16I-C-5QFN32R
EFM8BB21F16I-C-QSOP24
EFM8BB31F16G-C-QFN24R
EFM8BB31F16G-D-QFN24
EFM8BB31F64I-C-QFN24
EFM8BB31F16I-D-QFN24R
EFM8BB31F16I-C-5QFN32
EFM8BB52F32I-C-QFN20
EFM8BB31F32I-C-QFN24
EFM8BB31F16I-D-QFN32R
EFM8BB31F16I-B-4QFN24
EFM8BB31F16G-B-QFN24
EFM8BB31F16G-C-QFN32
EFM8BB31F16A-C-4QFN24
EFM8BB31F16I-C-QFP32
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