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C&K Components, Inc.

C&K Components, Inc.- Wireless MCUs

Founded in 1957, C&K Components, Inc. is a globally recognized leader in the design and manufacture of high-quality electromechanical switches and connectors. Headquartered in Newton, Massachusetts, USA, the company has built a strong reputation over more than six decades for its extensive product range and superior customer service. C&K offers one of the industry's broadest portfolios, with over 40,000 unique standard catalog part numbers readily available. Its core product lines include tactile switches, toggle switches, rocker switches, pushbutton switches, rotary switches, keylock switches, slide switches, DIP switches, and illuminated switches. The company also provides smart card connectors and custom switch solutions tailored to specific application requirements. C&K serves diverse markets such as industrial, automotive, medical, aerospace, and consumer electronics with reliable, precision-engineered components. Renowned for engineering excellence, C&K continuously invests in innovative switch technologies and manufacturing processes. In 2018, C&K Components was acquired by Littelfuse, Inc., enhancing its global capabilities while maintaining its brand identity. Its products are trusted worldwide for durability, compliance with international standards, and consistent performance. Through a robust global distribution network, including major partners like Future Electronics, C&K ensures fast, reliable access to its components.

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Wireless MCUs - 型号列表

175 parts in total

Package / Case

Supplier Device Package

Data Converters

Number of I/O

Part Status

Packaging

Base Product Number

RAM Size

Program Memory Size

Memory Size

Voltage - Supply (Vcc/Vdd)

Series

Operating Temperature

Power - Output

Mfr Part #Quantity AvailablePricePart StatusPackagingMounting TypePackage / CaseSupplier Device PackageMfrSeriesBase Product NumberDigiKey ProgrammableOperating TemperatureSpeedRAM SizeCore SizeEEPROM SizeNumber of I/OData ConvertersOscillator TypeProgram Memory SizeProgram Memory TypeVoltage - Supply (Vcc/Vdd)PeripheralsConnectivityCore ProcessorGPIOFrequencyModulationMemory SizeSensitivityPower - OutputData Rate (Max)Voltage - SupplySerial InterfacesCurrent - ReceivingCurrent - TransmittingTypeProtocolRF Family/Standard
EFM8BB31F64I-D-QFP32R
EFM8BB31F64I-D-QFP32R

IC MCU 8BIT 64KB FLASH 32QFP

Silicon Labs

-Last Time BuyTape & Reel (TR)Surface Mount32-TQFP32-QFP (7x7)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz4.25K x 88-Bit-28A/D 20x12b; D/A 4x12bInternal64KB (64K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFR32BG21B020F768IM32-BR
EFR32BG21B020F768IM32-BR

IC RF TXRX+MCU BLE 32QFN

Silicon Labs

-ActiveTape & Reel (TR)Surface Mount32-VFQFN Exposed Pad32-QFN (4x4)Silicon LabsBlue GeckoEFR32BG21B020Not Verified-40°C ~ 125°C (TA)-------------202.4GHz ~ 2.4835GHzGFSK768kB Flash, 64kB RAM-104.9dBm20dBm2Mbps1.71V ~ 3.8VI2C, I2S, SPI, IrDA, UART, USART8.8mA ~ 9.8mA9.3mA ~ 185mATxRx + MCUBluetooth v5.1Bluetooth
EFM8BB31F16G-D-QFN32
EFM8BB31F16G-D-QFN32

IC MCU 8BIT 16KB FLASH 32QFN

Silicon Labs

101: ¥9.03ActiveTraySurface Mount32-UFQFN Exposed Pad32-QFN (4x4)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 85°C (TA)50MHz2.25K x 88-Bit-29A/D 20x12b; D/A 2x12bInternal16KB (16K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F16G-D-QFP32
EFM8BB31F16G-D-QFP32

IC MCU 8BIT 16KB FLASH 32QFP

Silicon Labs

-Last Time BuyTraySurface Mount32-TQFP32-QFP (7x7)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 85°C (TA)50MHz2.25K x 88-Bit-28A/D 20x12b; D/A 2x12bInternal16KB (16K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F16I-D-QFN24
EFM8BB31F16I-D-QFN24

IC MCU 8BIT 16KB FLASH 24QFN

Silicon Labs

-Last Time BuyTubeSurface Mount24-VFQFN Exposed Pad24-QFN (3x3)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-20A/D 12x12b; D/A 2x12bInternal16KB (16K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F16I-D-QSOP24
EFM8BB31F16I-D-QSOP24

IC MCU 8BIT 16KB FLASH 24QSOP

Silicon Labs

-ObsoleteTubeSurface Mount24-SSOP (0.154", 3.90mm Width)24-QSOPSilicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-21A/D 13x12b; D/A 2x12bInternal16KB (16K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F16I-D-QSOP24R
EFM8BB31F16I-D-QSOP24R

IC MCU 8BIT 16KB FLASH 24QSOP

Silicon Labs

-ObsoleteTape & Reel (TR)Surface Mount24-SSOP (0.154", 3.90mm Width)24-QSOPSilicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-21A/D 13x12b; D/A 2x12bInternal16KB (16K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F32G-D-QFN24
EFM8BB31F32G-D-QFN24

IC MCU 8BIT 32KB FLASH 24QFN

Silicon Labs

-ActiveTubeSurface Mount24-VFQFN Exposed Pad24-QFN (3x3)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 85°C (TA)50MHz2.25K x 88-Bit-20A/D 12x12b; D/A 2x12bInternal32KB (32K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F32I-D-5QFN32
EFM8BB31F32I-D-5QFN32

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

-Last Time BuyTraySurface Mount32-WFQFN Exposed Pad32-QFN (5x5)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-29A/D 20x12b; D/A 2x12bInternal32KB (32K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F32I-D-QFN32
EFM8BB31F32I-D-QFN32

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

-Last Time BuyTubeSurface Mount32-UFQFN Exposed Pad32-QFN (4x4)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-29A/D 20x12b; D/A 2x12bInternal32KB (32K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F32I-D-QSOP24R
EFM8BB31F32I-D-QSOP24R

IC MCU 8BIT 32KB FLASH 24QSOP

Silicon Labs

-ObsoleteTape & Reel (TR)Surface Mount24-SSOP (0.154", 3.90mm Width)24-QSOPSilicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-21A/D 13x12b; D/A 2x12bInternal32KB (32K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F64A-D-4QFN24
EFM8BB31F64A-D-4QFN24

IC MCU 8BIT 64KB FLASH 24QFN

Silicon Labs

-Last Time BuyTubeSurface Mount24-WFQFN Exposed Pad24-QFN (4x4)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz4.25K x 88-Bit-20A/D 12x12b; D/A 4x12bInternal64KB (64K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F64G-D-QFN32
EFM8BB31F64G-D-QFN32

IC MCU 8BIT 64KB FLASH 32QFN

Silicon Labs

121: ¥13.272ActiveTraySurface Mount32-UFQFN Exposed Pad32-QFN (4x4)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 85°C (TA)50MHz4.25K x 88-Bit-29A/D 20x12b; D/A 4x12bInternal64KB (64K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB31F64I-D-QFN24R
EFM8BB31F64I-D-QFN24R

IC MCU 8BIT 64KB FLASH 24QFN

Silicon Labs

-ActiveTape & Reel (TR)Surface Mount24-VFQFN Exposed Pad24-QFN (3x3)Silicon LabsBusy BeeEFM8BB31Not Verified-40°C ~ 125°C (TA)50MHz4.25K x 88-Bit-20A/D 12x12b; D/A 4x12bInternal64KB (64K x 8)FLASH2.2V ~ 3.6VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB52F16G-C-QFN20
EFM8BB52F16G-C-QFN20

. EFM8BB52F16G-C-QFN20 - CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3) from Silicon Labs. from now!

Silicon Laboratories Inc.

241: ¥5.096Discontinued at DigiKeyStripSurface Mount20-WFQFN Exposed Pad20-QFN (3x3)Silicon LabsBusy BeeEFM8BB52Not Verified-40°C ~ 85°C (TA)50MHz1.25K x 88-Bit-16A/D 16x12b SAR; D/A 1x10bInternal16KB (16K x 8)FLASH1.8V ~ 5.5VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB52F16I-C-QFN20R
EFM8BB52F16I-C-QFN20R

. EFM8BB52F16I-C-QFN20R - CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3) from Silicon Labs. from now!

Silicon Laboratories Inc.

-ActiveTape & Reel (TR)Surface Mount20-WFQFN Exposed Pad20-QFN (3x3)Silicon LabsBusy BeeEFM8BB52Not Verified-40°C ~ 125°C (TA)50MHz1.25K x 88-Bit-16A/D 16x12b SAR; D/A 1x10bInternal16KB (16K x 8)FLASH1.8V ~ 5.5VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFM8BB52F32I-C-QFN20R
EFM8BB52F32I-C-QFN20R

. EFM8BB52F32I-C-QFN20R - CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 32KB (32K x 8) FLASH 20-QFN (3x3) from Silicon Labs. from now!

Silicon Laboratories Inc.

-ActiveTape & Reel (TR)Surface Mount20-WFQFN Exposed Pad20-QFN (3x3)Silicon LabsBusy BeeEFM8BB52Not Verified-40°C ~ 125°C (TA)50MHz2.25K x 88-Bit-16A/D 16x12b SAR; D/A 1x10bInternal32KB (32K x 8)FLASH1.8V ~ 5.5VBrown-out Detect/Reset, POR, PWM, WDTI2C, SMBus, SPI, UART/USARTCIP-51 8051--------------
EFR32BG21B010F1024IM32-B
EFR32BG21B010F1024IM32-B

IC RF TXRX+MCU BLE 32QFN

Silicon Labs

-ActiveTraySurface Mount32-VFQFN Exposed Pad32-QFN (4x4)Silicon Labs-EFR32BG21B010Not Verified-40°C ~ 125°C (TA)-------------202.4GHz ~ 2.4835GHzGFSK1MB Flash, 96kB RAM-104.9dBm10dBm2Mbps1.71V ~ 3.8VI2C, I2S, SPI, IrDA, UART, USART8.8mA ~ 9.8mA9.3mA ~ 185mATxRx + MCUBluetooth v5.1Bluetooth
EFR32BG21B010F1024IM32-BR
EFR32BG21B010F1024IM32-BR

IC RF TXRX+MCU BLE 32QFN

Silicon Labs

-ActiveTape & Reel (TR)Surface Mount32-VFQFN Exposed Pad32-QFN (4x4)Silicon Labs-EFR32BG21B010Not Verified-40°C ~ 125°C (TA)-------------202.4GHz ~ 2.4835GHzGFSK1MB Flash, 96kB RAM-104.9dBm10dBm2Mbps1.71V ~ 3.8VI2C, I2S, SPI, IrDA, UART, USART8.8mA ~ 9.8mA9.3mA ~ 185mATxRx + MCUBluetooth v5.1Bluetooth
EFR32BG21B010F512IM32-BR
EFR32BG21B010F512IM32-BR

IC RF TXRX+MCU BLE 32QFN

Silicon Labs

-ActiveTape & Reel (TR)Surface Mount32-VFQFN Exposed Pad32-QFN (4x4)Silicon LabsBlue GeckoEFR32BG21B010Not Verified-40°C ~ 125°C (TA)-------------202.4GHz ~ 2.4835GHzGFSK512kB Flash, 64kB RAM-104.9dBm10dBm2Mbps1.71V ~ 3.8VI2C, I2S, SPI, IrDA, UART, USART8.8mA ~ 9.8mA9.3mA ~ 185mATxRx + MCUBluetooth v5.1Bluetooth
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