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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Packaging Series ProductStatus CoreProcessor CoreSize Speed Connectivity Peripherals NumberofI/O ProgramMemorySize ProgramMemoryType EEPROMSize RAMSize Voltage-Supply(Vcc/Vdd) DataConverters OscillatorType OperatingTemperature MountingType
EFM8BB31F32G-C-QFN24

EFM8BB31F32G-C-QFN24

IC MCU 8BIT 32KB FLASH 24QFN

Silicon Labs

3,062 0.98

RFQ

EFM8BB31F32G-C-QFN24

Datasheet

24-VFQFN Exposed Pad Tube Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Not For New Designs Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 20 CIP-51 8051 A/D 12x10/12b SAR; D/A 2x12b Internal 32KB (32K x 8) FLASH -40°C ~ 85°C (TA)
EFM8BB31F16I-C-QFP32

EFM8BB31F16I-C-QFP32

IC MCU 8BIT 16KB FLASH 32QFP

Silicon Labs

3,492 1.20

RFQ

EFM8BB31F16I-C-QFP32

Datasheet

32-TQFP Tube Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Not For New Designs Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 28 CIP-51 8051 A/D 20x10/12b SAR; D/A 2x12b Internal 16KB (16K x 8) FLASH -40°C ~ 125°C (TA)
EFM8BB31F32I-C-QFN32R

EFM8BB31F32I-C-QFN32R

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

2,264 0.98

RFQ

EFM8BB31F32I-C-QFN32R

Datasheet

32-UFQFN Exposed Pad Tape & Reel (TR) Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Not For New Designs Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 29 CIP-51 8051 A/D 20x10/12b SAR; D/A 2x12b Internal 32KB (32K x 8) FLASH -40°C ~ 125°C (TA)
EFM8LB10F16E-C-QSOP24

EFM8LB10F16E-C-QSOP24

IC MCU 8BIT 16KB FLASH 24QSOP

Silicon Labs

2,181 1.20

RFQ

EFM8LB10F16E-C-QSOP24

Datasheet

24-SSOP (0.154", 3.90mm Width) Tube Laser Bee RoHS 72MHz 1.25K x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 21 CIP-51 8051 A/D 13x14b Internal 16KB (16K x 8) FLASH -40°C ~ 105°C (TA)
EFM8BB31F32G-D-QFN24

EFM8BB31F32G-D-QFN24

IC MCU 8BIT 32KB FLASH 24QFN

Silicon Labs

2,212 0.98

RFQ

24-VFQFN Exposed Pad Tube Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 20 CIP-51 8051 A/D 12x12b; D/A 2x12b Internal 32KB (32K x 8) FLASH -40°C ~ 85°C (TA)
EFM8BB31F16I-D-QFP32

EFM8BB31F16I-D-QFP32

IC MCU 8BIT 16KB FLASH 32QFP

Silicon Labs

3,956 1.20

RFQ

32-TQFP Tray Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 29 CIP-51 8051 A/D 20x12b; D/A 2x12b Internal 16KB (16K x 8) FLASH -40°C ~ 125°C (TA)
EFM8BB21F16G-B-QSOP24R

EFM8BB21F16G-B-QSOP24R

IC MCU 8BIT 16KB FLASH 24QSOP

Silicon Labs

3,878 0.87

RFQ

EFM8BB21F16G-B-QSOP24R

Datasheet

24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 21 CIP-51 8051 A/D 20x12b Internal 16KB (16K x 8) FLASH -40°C ~ 85°C (TA)
C8051F851-C-IU

C8051F851-C-IU

IC MCU 8BIT 4KB FLASH 24SSOP

Silicon Labs

3,682 1.56

RFQ

C8051F851-C-IU

Datasheet

24-SSOP (0.154", 3.90mm Width) Tray C8051F85x RoHS 25MHz 512 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SPI, UART/USART Surface Mount 16 8051 A/D 16x12b Internal 4KB (4K x 8) FLASH -40°C ~ 125°C (TA)
C8051F851-C-IUR

C8051F851-C-IUR

IC MCU 8BIT 4KB FLASH 24SSOP

Silicon Labs

3,944 1.56

RFQ

C8051F851-C-IUR

Datasheet

24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) C8051F85x RoHS 25MHz 512 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SPI, UART/USART Surface Mount 16 8051 A/D 16x12b Internal 4KB (4K x 8) FLASH -40°C ~ 125°C (TA)
C8051F987-C-GUR

C8051F987-C-GUR

IC MCU 8BIT 8KB FLASH 24QSOP

Silicon Labs

2,330 1.56

RFQ

C8051F987-C-GUR

Datasheet

24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) C8051F9xx RoHS 25MHz 512 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT SMBus (2-Wire/I²C), SPI, UART/USART Surface Mount 17 CIP-51 8051 - Internal 8KB (8K x 8) FLASH -40°C ~ 85°C (TA)
C8051F865-C-GS

C8051F865-C-GS

IC MCU 8BIT 2KB FLASH 16SOIC

Silicon Labs

3,326 1.10

RFQ

C8051F865-C-GS

Datasheet

16-SOIC (0.154", 3.90mm Width) Tray C8051F86x RoHS 25MHz 256 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SPI, UART/USART Surface Mount 13 8051 - Internal 2KB (2K x 8) FLASH -40°C ~ 85°C (TA)
C8051F865-C-GSR

C8051F865-C-GSR

IC MCU 8BIT 2KB FLASH 16SOIC

Silicon Labs

2,664 1.10

RFQ

C8051F865-C-GSR

Datasheet

16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) C8051F86x RoHS 25MHz 256 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SPI, UART/USART Surface Mount 13 8051 - Internal 2KB (2K x 8) FLASH -40°C ~ 85°C (TA)
EFM8BB31F32I-C-QSOP24R

EFM8BB31F32I-C-QSOP24R

IC MCU 8BIT 32KB FLASH 24QSOP

Silicon Labs

2,359 0.99

RFQ

EFM8BB31F32I-C-QSOP24R

Datasheet

24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Not For New Designs Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 21 CIP-51 8051 A/D 13x10/12b SAR; D/A 2x12b Internal 32KB (32K x 8) FLASH -40°C ~ 125°C (TA)
C8051F537A-IM

C8051F537A-IM

IC MCU 8BIT 2KB FLASH 20QFN

Silicon Labs

3,884 1.72

RFQ

C8051F537A-IM

Datasheet

20-VFQFN Exposed Pad Tube C8051F53x RoHS 25MHz 256 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT SPI, UART/USART Surface Mount 16 8051 A/D 16x12b Internal 2KB (2K x 8) FLASH -40°C ~ 125°C (TA)
EFM8BB22F16G-B-QFN28R

EFM8BB22F16G-B-QFN28R

IC MCU 8BIT 16KB FLASH 28QFN

Silicon Labs

2,726 0.88

RFQ

EFM8BB22F16G-B-QFN28R

Datasheet

28-WFQFN Exposed Pad Tape & Reel (TR) Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 22 CIP-51 8051 A/D 20x12b Internal 16KB (16K x 8) FLASH -40°C ~ 85°C (TA)
C8051F537A-IMR

C8051F537A-IMR

IC MCU 8BIT 2KB FLASH 20QFN

Silicon Labs

3,941 1.72

RFQ

C8051F537A-IMR

Datasheet

20-VFQFN Exposed Pad Tape & Reel (TR) C8051F53x RoHS 25MHz 256 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT SPI, UART/USART Surface Mount 16 8051 A/D 16x12b Internal 2KB (2K x 8) FLASH -40°C ~ 125°C (TA)
EFM8BB31F64I-C-QFP32

EFM8BB31F64I-C-QFP32

IC MCU 8BIT 64KB FLASH 32QFP

Silicon Labs

3,567 1.72

RFQ

EFM8BB31F64I-C-QFP32

Datasheet

32-TQFP Tube Busy Bee RoHS 50MHz 4.25K x 8 8-Bit - Not For New Designs Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 28 CIP-51 8051 A/D 20x10/12b SAR; D/A 4x12b Internal 64KB (64K x 8) FLASH -40°C ~ 125°C (TA)
EFM8BB31F16G-B-QSOP24R

EFM8BB31F16G-B-QSOP24R

IC MCU 8BIT 16KB FLASH 24QSOP

Silicon Labs

2,584 0.88

RFQ

EFM8BB31F16G-B-QSOP24R

Datasheet

24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Busy Bee RoHS 50MHz 2.25K x 8 8-Bit - Not For New Designs Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 21 CIP-51 8051 A/D 13x10/12b SAR; D/A 2x12b Internal 16KB (16K x 8) FLASH -40°C ~ 85°C (TA)
EFM8SB10F4G-A-QFN20R

EFM8SB10F4G-A-QFN20R

IC MCU 8BIT 4KB FLASH 20QFN

Silicon Labs

2,170 0.78

RFQ

EFM8SB10F4G-A-QFN20R

Datasheet

20-UFQFN Exposed Pad Tape & Reel (TR),Cut Tape (CT) Sleepy Bee RoHS 25MHz 512 x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 16 CIP-51 8051 A/D 9x12b Internal 4KB (4K x 8) FLASH -40°C ~ 85°C (TA)
EFM8BB31F64I-D-QFP32

EFM8BB31F64I-D-QFP32

IC MCU 8BIT 64KB FLASH 32QFP

Silicon Labs

2,974 1.72

RFQ

32-TQFP Tray Busy Bee RoHS 50MHz 4.25K x 8 8-Bit - Active Brown-out Detect/Reset, POR, PWM, WDT I²C, SMBus, SPI, UART/USART Surface Mount 28 CIP-51 8051 A/D 20x12b; D/A 2x12b Internal 64KB (64K x 8) FLASH -40°C ~ 125°C (TA)
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