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Total Products: 3,852
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Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
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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
901
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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
1,651
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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
91
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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
561
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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
75
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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
1,732
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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
143
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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
158
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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
1,213
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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
1,268
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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
956
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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
86
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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
1,236
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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
229
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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
474
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EFM8UB31F40G-A-QFN24R
EFM8UB31F40G-A-QFN24RSilicon 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
637
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EFM8UB31F40G-A-QSOP24
EFM8UB31F40G-A-QSOP24Silicon LabsIC MCU 8BIT 40KB FLASH 24QSOPMicrocontrollers24-QSOPN/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-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
477
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EFM8UB31F40G-A-QSOP24R
EFM8UB31F40G-A-QSOP24RSilicon LabsIC MCU 8BIT 40KB FLASH 24QSOPMicrocontrollers24-QSOPN/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-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
1,583
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EZR32HG220F32R69G-C0
EZR32HG220F32R69G-C0Silicon LabsIC MCU 32KB 48QFNMicrocontrollers48-QFN (7x7)N/A-40°C ~ 85°C (TA)
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
48-QFN (7×7)
Package / Case:
48-VFQFN Exposed Pad
987
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SIM3C134-B-GM
SIM3C134-B-GMSilicon LabsIC MCU 32BIT 32KB FLASH 40QFNMicrocontrollers40-QFN (6x6)N/A-40°C ~ 85°C (TA)
Core Processor:
ARM® Cortex®-M3
Core Size:
32-Bit Single-Core
Speed:
80MHz
Connectivity:
I2C, IrDA, SmartCard, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O:
28
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
8K x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 3.6V
Data Converters:
A/D 18x12b; D/A 2x10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
40-QFN (6×6)
Package / Case:
40-VFQFN Exposed Pad
146
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