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Total Products: 3,852
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Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
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EFM8BB31F64I-C-QSOP24
EFM8BB31F64I-C-QSOP24Silicon LabsIC MCU 8BIT 64KB FLASH 24QSOPMicrocontrollers24-QSOPN/A-40°C ~ 125°C (TA)
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:
21
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 13×10/12b SAR; D/A 4x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
1,896
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EFM8BB31F64I-C-QSOP24R
EFM8BB31F64I-C-QSOP24RSilicon LabsIC MCU 8BIT 64KB FLASH 24QSOPMicrocontrollers24-QSOPN/A-40°C ~ 125°C (TA)
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:
21
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 13×10/12b SAR; D/A 4x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
111
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EFM8BB31F64I-D-4QFN24N/AEFM8BB31F64I-D-4QFN24Silicon LabsIC MCU 8BIT 64KB FLASH 24QFNMicrocontrollers24-QFN (4x4)N/A-40°C ~ 125°C (TA)
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:
20
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 12x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QFN (4×4)
Package / Case:
24-WFQFN Exposed Pad
780
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EFM8BB31F64I-D-4QFN24RN/AEFM8BB31F64I-D-4QFN24RSilicon LabsIC MCU 8BIT 64KB FLASH 24QFNMicrocontrollers24-QFN (4x4)N/A-40°C ~ 125°C (TA)
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:
20
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 12x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QFN (4×4)
Package / Case:
24-WFQFN Exposed Pad
989
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EFM8BB31F64I-D-5QFN32N/AEFM8BB31F64I-D-5QFN32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 125°C (TA)
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:
29
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-WFQFN Exposed Pad
324
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EFM8BB31F64I-D-5QFN32RN/AEFM8BB31F64I-D-5QFN32RSilicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 125°C (TA)
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:
29
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-WFQFN Exposed Pad
56
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EFM8BB31F64I-D-QFN24N/AEFM8BB31F64I-D-QFN24Silicon LabsIC MCU 8BIT 64KB FLASH 24QFNMicrocontrollers24-QFN (3x3)N/A-40°C ~ 125°C (TA)
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:
20
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 12x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QFN (3×3)
Package / Case:
24-VFQFN Exposed Pad
1,204
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EFM8BB31F64I-D-QFN24RN/AEFM8BB31F64I-D-QFN24RSilicon LabsIC MCU 8BIT 64KB FLASH 24QFNMicrocontrollers24-QFN (3x3)N/A-40°C ~ 125°C (TA)
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:
20
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 12x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QFN (3×3)
Package / Case:
24-VFQFN Exposed Pad
418
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EFM8BB31F64I-D-QFN32N/AEFM8BB31F64I-D-QFN32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (4x4)N/A-40°C ~ 125°C (TA)
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:
29
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (4×4)
Package / Case:
32-UFQFN Exposed Pad
788
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EFM8BB31F64I-D-QFN32RN/AEFM8BB31F64I-D-QFN32RSilicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (4x4)N/A-40°C ~ 125°C (TA)
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:
29
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (4×4)
Package / Case:
32-UFQFN Exposed Pad
1,057
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EFM8BB31F64I-D-QFP32N/AEFM8BB31F64I-D-QFP32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 125°C (TA)
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:
28
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-TQFP
508
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EFM8BB31F64I-D-QFP32RN/AEFM8BB31F64I-D-QFP32RSilicon LabsIC MCU 8BIT 64KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 125°C (TA)
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:
28
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 20x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-TQFP
498
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EFM8BB31F64I-D-QSOP24N/AEFM8BB31F64I-D-QSOP24Silicon LabsIC MCU 8BIT 64KB FLASH 24QSOPMicrocontrollers24-QSOPN/A-40°C ~ 125°C (TA)
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:
21
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 13x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
1,558
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QUOTE
EFM8BB31F64I-D-QSOP24RN/AEFM8BB31F64I-D-QSOP24RSilicon LabsIC MCU 8BIT 64KB FLASH 24QSOPMicrocontrollers24-QSOPN/A-40°C ~ 125°C (TA)
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:
21
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.2V ~ 3.6V
Data Converters:
A/D 13x12b; D/A 2x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 125°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
1,132
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EFM8BB50F16G-A-QFN12
EFM8BB50F16G-A-QFN12Silicon LabsIC MCU 8BIT 16KB FLASH QFN12Microcontrollers12-QFN (2x2)N/A-40°C ~ 85°C (TA)
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:
9
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 5.5V
Data Converters:
A/D 16x12b SAR
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
12-QFN (2×2)
Package / Case:
12-VFQFN Exposed Pad
1,522
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EFM8BB50F16G-A-QFN12R
EFM8BB50F16G-A-QFN12RSilicon LabsIC MCU 8BIT 16KB FLASH QFN12Microcontrollers12-QFN (2x2)N/A-40°C ~ 85°C (TA)
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:
9
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 5.5V
Data Converters:
A/D 16x12b SAR
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
12-QFN (2×2)
Package / Case:
12-VFQFN Exposed Pad
657
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EFM8BB50F16G-A-QFN16
EFM8BB50F16G-A-QFN16Silicon LabsIC MCU 8BIT 16KB FLASH QFN16Microcontrollers16-QFN (2.5x2.5)N/A-40°C ~ 85°C (TA)
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:
12
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 5.5V
Data Converters:
A/D 16x12b SAR
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
16-QFN (2.5×2.5)
Package / Case:
16-WFQFN Exposed Pad
645
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EFM8BB50F16G-A-QFN16R
EFM8BB50F16G-A-QFN16RSilicon LabsIC MCU 8BIT 16KB FLASH QFN16Microcontrollers16-QFN (2.5x2.5)N/A-40°C ~ 85°C (TA)
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:
12
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 5.5V
Data Converters:
A/D 16x12b SAR
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
16-QFN (2.5×2.5)
Package / Case:
16-WFQFN Exposed Pad
205
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EFM8BB50F16G-A-SOIC16
EFM8BB50F16G-A-SOIC16Silicon LabsIC MCU 8BIT 16KB FLASH SOIC16Microcontrollers16-SOICN/A-40°C ~ 85°C (TA)
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:
12
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 5.5V
Data Converters:
A/D 16x12b SAR
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
16-SOIC
Package / Case:
16-SOIC (0.154″”, 3.90mm Width)
600
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EFM8BB50F16G-A-SOIC16R
EFM8BB50F16G-A-SOIC16RSilicon LabsIC MCU 8BIT 16KB FLASH SOIC16Microcontrollers16-SOICN/A-40°C ~ 85°C (TA)
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:
12
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 5.5V
Data Converters:
A/D 16x12b SAR
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
16-SOIC
Package / Case:
16-SOIC (0.154″”, 3.90mm Width)
1,205
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QUOTE

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