Picture Mfr Part # QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Operating Temperature Package / Case Supplier Device Package Peripherals Core Processor Speed Voltage - Supply (Vcc/Vdd) Number of I/O RAM Size Core Size Connectivity Program Memory Size Program Memory Type EEPROM Size Data Converters Oscillator Type
GLOBAL STOCKS
EFM8BB31F32G-A-QFP32R
RFQ
VIEW
RFQ
992
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Busy Bee Discontinued at Digi-Key Tape & Reel (TR) -40°C ~ 85°C (TA) 32-TQFP 32-QFP (7x7) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 28 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QFN32R
RFQ
VIEW
RFQ
3,850
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Busy Bee Discontinued at Digi-Key Tape & Reel (TR) -40°C ~ 85°C (TA) 32-UQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QSOP24R
RFQ
VIEW
RFQ
995
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Busy Bee Discontinued at Digi-Key Tape & Reel (TR) -40°C ~ 85°C (TA) 24-SSOP (0.154", 3.90mm Width) 24-QSOP Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 21 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QFN24R
RFQ
VIEW
RFQ
1,924
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Busy Bee Discontinued at Digi-Key Tape & Reel (TR) -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad 24-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QSOP24
RFQ
VIEW
RFQ
3,612
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Busy Bee Discontinued at Digi-Key Tube -40°C ~ 85°C (TA) 24-SSOP (0.154", 3.90mm Width) 24-QSOP Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 21 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QFP32
RFQ
VIEW
RFQ
1,119
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Busy Bee Discontinued at Digi-Key Tray -40°C ~ 85°C (TA) 32-TQFP 32-QFP (7x7) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 28 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QFN32
RFQ
VIEW
RFQ
831
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Busy Bee Discontinued at Digi-Key Tube -40°C ~ 85°C (TA) 32-UQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-A-QFN24
RFQ
VIEW
RFQ
3,922
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Busy Bee Discontinued at Digi-Key Tube -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad 24-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, D/A 2x12b Internal
EFM8BB31F32I-B-5QFN32R
RFQ
VIEW
RFQ
932
In-stock
Silicon Labs EFM8 8051 8-BIT MCU, INDUSTRIAL Busy Bee Active Tape & Reel (TR) -40°C ~ 125°C (TA) 32-WFQFN Exposed Pad 32-QFN (5x5) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QFP32
RFQ
VIEW
RFQ
1,351
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Busy Bee Active Tube -40°C ~ 125°C (TA) 32-TQFP 32-QFP (7x7) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 28 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QSOP24R
RFQ
VIEW
RFQ
3,248
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Busy Bee Active Tape & Reel (TR) -40°C ~ 125°C (TA) 24-SSOP (0.154", 3.90mm Width) 24-QSOP Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 21 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F32I-B-4QFN24R
RFQ
VIEW
RFQ
1,247
In-stock
Silicon Labs EFM8 8051 8-BIT MCU, INDUSTRIAL Busy Bee Active Tape & Reel (TR) -40°C ~ 125°C (TA) 24-WFQFN Exposed Pad 24-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB31F32I-B-QFN32R
RFQ
VIEW
RFQ
3,434
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Busy Bee Active Tube -40°C ~ 125°C (TA) 32-UQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-B-QFP32R
RFQ
VIEW
RFQ
1,530
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 32-TQFP 32-QFP (7x7) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 28 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-B-QFN32R
RFQ
VIEW
RFQ
3,886
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 32-UQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QFN32
RFQ
VIEW
RFQ
3,213
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Busy Bee Active Tube -40°C ~ 125°C (TA) 32-UQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-B-QFP32
RFQ
VIEW
RFQ
2,382
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Busy Bee Active Tray -40°C ~ 85°C (TA) 32-TQFP 32-QFP (7x7) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 28 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QFP32R
RFQ
VIEW
RFQ
1,671
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Busy Bee Active Tape & Reel (TR) -40°C ~ 125°C (TA) 32-TQFP 32-QFP (7x7) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 28 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QFN24R
RFQ
VIEW
RFQ
1,141
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Busy Bee Active Tube -40°C ~ 125°C (TA) 24-VFQFN Exposed Pad 24-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB31F32G-B-QSOP24R
RFQ
VIEW
RFQ
2,908
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 24-SSOP (0.154", 3.90mm Width) 24-QSOP Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 21 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F32G-B-QFN24R
RFQ
VIEW
RFQ
2,589
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad 24-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB31F32G-B-QSOP24
RFQ
VIEW
RFQ
644
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Busy Bee Active Tube -40°C ~ 85°C (TA) 24-SSOP (0.154", 3.90mm Width) 24-QSOP Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 21 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F32I-B-5QFN32
RFQ
VIEW
RFQ
890
In-stock
Silicon Labs EFM8 8051 8-BIT MCU, INDUSTRIAL Busy Bee Active Tube -40°C ~ 125°C (TA) 32-WFQFN Exposed Pad 32-QFN (5x5) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QSOP24
RFQ
VIEW
RFQ
3,872
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Busy Bee Active Tube -40°C ~ 125°C (TA) 24-SSOP (0.154", 3.90mm Width) 24-QSOP Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 21 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F32I-B-4QFN24
RFQ
VIEW
RFQ
3,866
In-stock
Silicon Labs EFM8 8051 8-BIT MCU, INDUSTRIAL Busy Bee Active Tube -40°C ~ 125°C (TA) 24-WFQFN Exposed Pad 24-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB31F32I-B-QFN24
RFQ
VIEW
RFQ
2,159
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Busy Bee Active Tube -40°C ~ 125°C (TA) 24-VFQFN Exposed Pad 24-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB31F32G-B-QFN32
RFQ
VIEW
RFQ
1,573
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Busy Bee Active Tube -40°C ~ 85°C (TA) 32-UQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32G-B-QFN24
RFQ
VIEW
RFQ
3,106
In-stock
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Busy Bee Active Tube -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad 24-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 20 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 32KB (32K x 8) Flash - A/D 12x12b, A/D 2x12b Internal