Picture Mfr Part # Unit Price 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
EFM8BB31F64I-B-QFP32R
Per Unit
$1.42
RFQ
RFQ
1,070
In-stock
Silicon Labs IC MCU 8BIT 64KB 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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 20x12b, D/A 4x12b Internal
EFM8BB31F16I-B-QFP32R
Per Unit
$1.22
RFQ
RFQ
1,455
In-stock
Silicon Labs IC MCU 8BIT 16KB 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 16KB (16K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F64I-B-QFN24R
Per Unit
$1.17
RFQ
RFQ
2,282
In-stock
Silicon Labs IC MCU 8BIT 64KB FLASH 24QFN Busy Bee Active Tape & Reel (TR) -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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 12x12b, D/A 4x12b Internal
EFM8BB31F32I-B-5QFN32R
Per Unit
$1.17
RFQ
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
EFM8BB21F16I-C-QSOP24R
Per Unit
$1.00
RFQ
RFQ
677
In-stock
Silicon Labs IC MCU 8BIT 16KB 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 16KB (16K x 8) Flash - A/D 20x12b Internal
EFM8BB31F16I-B-QFN24R
Per Unit
$0.97
RFQ
RFQ
3,981
In-stock
Silicon Labs IC MCU 8BIT 16KB FLASH 24QFN Busy Bee Active Tape & Reel (TR) -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 16KB (16K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB21F16G-B-QFN20R
Per Unit
$0.70
RFQ
RFQ
1,782
In-stock
Silicon Labs IC MCU 8BIT 16KB FLASH 20QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 20-UFQFN Exposed Pad 20-QFN (3x3) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 16 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 16KB (16K x 8) Flash - A/D 15x12b Internal
EFM8BB31F16G-B-QSOP24R
Per Unit
$0.68
RFQ
RFQ
1,237
In-stock
Silicon Labs IC MCU 8BIT 16KB 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 16KB (16K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F64I-B-5QFN32R
Per Unit
$1.32
RFQ
RFQ
2,744
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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 20x12b, D/A 4x12b Internal
EFM8BB31F16I-B-5QFN32R
Per Unit
$1.11
RFQ
RFQ
2,293
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 16KB (16K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QSOP24R
Per Unit
$1.11
RFQ
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
Per Unit
$1.10
RFQ
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
EFM8BB31F32G-B-QFP32R
Per Unit
$1.07
RFQ
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
Per Unit
$0.80
RFQ
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
EFM8BB31F64G-B-QFP32R
Per Unit
$1.29
RFQ
RFQ
2,466
In-stock
Silicon Labs IC MCU 8BIT 64KB 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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 20x12b, D/A 4x12b Internal
EFM8BB31F16G-B-QFP32R
Per Unit
$0.88
RFQ
RFQ
3,387
In-stock
Silicon Labs IC MCU 8BIT 16KB 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 16KB (16K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F32I-B-QFP32R
Per Unit
$1.27
RFQ
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
EFM8BB31F64I-B-QSOP24R
Per Unit
$1.26
RFQ
RFQ
1,623
In-stock
Silicon Labs IC MCU 8BIT 64KB 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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 13x12b, D/A 4x12b Internal
EFM8BB31F64I-B-4QFN24R
Per Unit
$1.25
RFQ
RFQ
835
In-stock
Silicon Labs EFM8 8051 8-BIT MCU, AEC-Q100, A 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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 12x12b, D/A 4x12b Internal
EFM8BB31F64I-B-QFN32R
Per Unit
$1.24
RFQ
RFQ
1,969
In-stock
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 125°C (TA) 32-UFQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 20x12b, D/A 4x12b Internal
EFM8BB31F16I-B-QSOP24R
Per Unit
$1.06
RFQ
RFQ
3,120
In-stock
Silicon Labs IC MCU 8BIT 16KB 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 16KB (16K x 8) Flash - A/D 13x12b, D/A 2x12b Internal
EFM8BB31F16I-B-4QFN24R
Per Unit
$1.03
RFQ
RFQ
3,831
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 16KB (16K x 8) Flash - A/D 12x12b, A/D 2x12b Internal
EFM8BB31F64G-B-QSOP24R
Per Unit
$1.03
RFQ
RFQ
1,728
In-stock
Silicon Labs IC MCU 8BIT 64KB 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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 13x12b, D/A 4x12b Internal
EFM8BB31F16I-B-QFN32R
Per Unit
$1.02
RFQ
RFQ
2,244
In-stock
Silicon Labs IC MCU 8BIT 16KB FLASH 32QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 125°C (TA) 32-UFQFN 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 16KB (16K x 8) Flash - A/D 20x12b, D/A 2x12b Internal
EFM8BB31F64G-B-QFN32R
Per Unit
$1.02
RFQ
RFQ
2,463
In-stock
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 32-UFQFN Exposed Pad 32-QFN (4x4) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 29 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 20x12b, D/A 4x12b Internal
EFM8BB21F16G-B-QSOP24R
Per Unit
$0.79
RFQ
RFQ
2,335
In-stock
Silicon Labs IC MCU 8BIT 16KB 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 16KB (16K x 8) Flash - A/D 20x12b Internal
EFM8BB22F16G-B-QFN28R
Per Unit
$0.75
RFQ
RFQ
1,955
In-stock
Silicon Labs IC MCU 8BIT 16KB FLASH 28QFN Busy Bee Active Tape & Reel (TR) -40°C ~ 85°C (TA) 28-WFQFN Exposed Pad 28-QFN (5x5) Brown-out Detect/Reset, POR, PWM, WDT CIP-51 8051 50MHz 2.2 V ~ 3.6 V 22 2.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 16KB (16K x 8) Flash - A/D 20x12b Internal
EFM8BB31F64G-B-QFN24R
Per Unit
$0.86
RFQ
RFQ
2,569
In-stock
Silicon Labs IC MCU 8BIT 64KB 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 4.25K x 8 8-Bit I²C, SMBus, SPI, UART/USART 64KB (64K x 8) Flash - A/D 12x12b, D/A 4x12b Internal
EFM8BB31F32G-B-QSOP24R
Per Unit
$0.82
RFQ
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
Per Unit
$0.76
RFQ
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