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Total Products: 76,308
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Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
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EFM8UB20F32G-B-QFN32R
EFM8UB20F32G-B-QFN32RSilicon LabsIC MCU 8BIT 32KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
2.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-VFQFN Exposed Pad
869
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EFM8UB20F32G-B-QFP32
EFM8UB20F32G-B-QFP32Silicon LabsIC MCU 8BIT 32KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
2.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-LQFP
392
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EFM8UB20F32G-B-QFP32R
EFM8UB20F32G-B-QFP32RSilicon LabsIC MCU 8BIT 32KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
2.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-LQFP
148
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EFM8UB20F32G-B-QFP48
EFM8UB20F32G-B-QFP48Silicon LabsIC MCU 8BIT 32KB FLASH 48TQFPMicrocontrollers48-TQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
EBI/EMI, I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
40
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
2.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 32x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-TQFP (7×7)
Package / Case:
48-TQFP
970
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EFM8UB20F32G-B-QFP48R
EFM8UB20F32G-B-QFP48RSilicon LabsIC MCU 8BIT 32KB FLASH 48TQFPMicrocontrollers48-TQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
EBI/EMI, I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
40
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
2.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 32x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-TQFP (7×7)
Package / Case:
48-TQFP
124
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EFM8UB20F64G-A-QFN32
EFM8UB20F64G-A-QFN32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-VFQFN Exposed Pad
25
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EFM8UB20F64G-A-QFN32R
EFM8UB20F64G-A-QFN32RSilicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-VFQFN Exposed Pad
558
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EFM8UB20F64G-A-QFP32
EFM8UB20F64G-A-QFP32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-LQFP
171
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EFM8UB20F64G-A-QFP32R
EFM8UB20F64G-A-QFP32RSilicon LabsIC MCU 8BIT 64KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-LQFP
1,744
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EFM8UB20F64G-A-QFP48
EFM8UB20F64G-A-QFP48Silicon LabsIC MCU 8BIT 64KB FLASH 48TQFPMicrocontrollers48-TQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
EBI/EMI, I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
40
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 32x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-TQFP (7×7)
Package / Case:
48-TQFP
605
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EFM8UB20F64G-A-QFP48R
EFM8UB20F64G-A-QFP48RSilicon LabsIC MCU 8BIT 64KB FLASH 48TQFPMicrocontrollers48-TQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
EBI/EMI, I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
40
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 32x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-TQFP (7×7)
Package / Case:
48-TQFP
1,040
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EFM8UB20F64G-B-QFN32
EFM8UB20F64G-B-QFN32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-VFQFN Exposed Pad
1,476
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EFM8UB20F64G-B-QFN32R
EFM8UB20F64G-B-QFN32RSilicon LabsIC MCU 8BIT 64KB FLASH 32QFNMicrocontrollers32-QFN (5x5)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFN (5×5)
Package / Case:
32-VFQFN Exposed Pad
439
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EFM8UB20F64G-B-QFP32
EFM8UB20F64G-B-QFP32Silicon LabsIC MCU 8BIT 64KB FLASH 32QFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-LQFP
1,931
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EFM8UB20F64G-B-QFP32R
EFM8UB20F64G-B-QFP32RSilicon LabsIC MCU 8BIT 64KB FLASH 32LQFPMicrocontrollers32-QFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
25
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 20x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-QFP (7×7)
Package / Case:
32-LQFP
587
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EFM8UB20F64G-B-QFP48
EFM8UB20F64G-B-QFP48Silicon LabsIC MCU 8BIT 64KB FLASH 48TQFPMicrocontrollers48-TQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
EBI/EMI, I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
40
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 32x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-TQFP (7×7)
Package / Case:
48-TQFP
71
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EFM8UB20F64G-B-QFP48R
EFM8UB20F64G-B-QFP48RSilicon LabsIC MCU 8BIT 64KB FLASH 48TQFPMicrocontrollers48-TQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
EBI/EMI, I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
40
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
FLASH
RAM Size:
4.25K x 8
Voltage – Supply (Vcc/Vdd):
2.65V ~ 3.6V
Data Converters:
A/D 32x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-TQFP (7×7)
Package / Case:
48-TQFP
1,280
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EFM8UB30F40G-A-QFN20
EFM8UB30F40G-A-QFN20Silicon LabsIC MCU 8BIT 40KB FLASH 20QFNMicrocontrollers20-QFN (3x3)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
13
Program Memory Size:
40KB (40K x 8)
Program Memory Type:
FLASH
RAM Size:
3.25K x 8
Voltage – Supply (Vcc/Vdd):
1.71V ~ 5.5V
Data Converters:
A/D 12x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-QFN (3×3)
Package / Case:
20-WFQFN Exposed Pad
644
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EFM8UB30F40G-A-QFN20R
EFM8UB30F40G-A-QFN20RSilicon LabsIC MCU 8BIT 40KB FLASH 20QFNMicrocontrollers20-QFN (3x3)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
13
Program Memory Size:
40KB (40K x 8)
Program Memory Type:
FLASH
RAM Size:
3.25K x 8
Voltage – Supply (Vcc/Vdd):
1.71V ~ 5.5V
Data Converters:
A/D 12x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-QFN (3×3)
Package / Case:
20-WFQFN Exposed Pad
537
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EFM8UB31F40G-A-QFN24
EFM8UB31F40G-A-QFN24Silicon LabsIC MCU 8BIT 40KB FLASH 24QFNMicrocontrollers24-QFN (4x4)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
17
Program Memory Size:
40KB (40K x 8)
Program Memory Type:
FLASH
RAM Size:
3.25K x 8
Voltage – Supply (Vcc/Vdd):
1.71V ~ 5.5V
Data Converters:
A/D 16x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QFN (4×4)
Package / Case:
24-WFQFN Exposed Pad
522
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