EFM8 Family EFM8SB Series Microcontrollers 8-bit Microcontrollers

Sleep current aas low as 50nA

Optimal for low power and battery powered systems, Sleepy Bee EFM8™ microcontrollers offer the lowest power consumption available by combining innovative low energy techniques and short wakeup times. The Sleepy Bee family of MCUs operates at up to 25 MHz and includes up to 14 high-quality capacitive sense channels.

  • 8051 Core, Clocked Upto 25MHz
  • FLASH: Upto 64KB, RAM: Upto 4352B
  • Interfaces: Upto 2x SPI, UART, I2C/ SMBus
  • Upto 23 Channel, 10/12-Bit ADC
  • Upto 14 capacitive sense channels
  • Lowest MCU sleep current with supply brownout (50 nA)
  • Integrated LDO to maintain ultra-low active current at all voltages
  • 4x 16Bit timers
  • Upto 6 PCA Channels
  • Applications: Wearables, Instrumentation panels, Battery-operated consumer electronics
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EFM8SB20F32G-B-QFN32
EFM8SB20F32G-B-QFN32 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins, QFN

3605196

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins, QFN

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1+ ¥396.26 (¥435.89) 10+ ¥336.15 (¥369.77) 50+ ¥312.78 (¥344.06) 100+ ¥287.18 (¥315.90) 250+ ¥269.37 (¥296.31) 500+ ¥235.98 (¥259.58) 1000+ ¥198.13 (¥217.94) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 32Pins QFN 24I/O's I2C, SMBus, SPI, UART 4.25KB 23Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8G-A-QFN24R
EFM8SB10F8G-A-QFN24R - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QFN-EP

3387024

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QFN-EP

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 24Pins QFN-EP 17I/O's I2C, SMBus, SPI, UART 512Byte 10Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8G-A-QFN20
EFM8SB10F8G-A-QFN20 - 8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

2468087

8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

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1+ ¥264.91 (¥291.40) 10+ ¥238.26 (¥262.09) 50+ ¥214.75 (¥236.23) 100+ ¥191.24 (¥210.36) 250+ ¥180.27 (¥198.30) 500+ ¥156.75 (¥172.43) 1000+ ¥121.80 (¥133.98) 2500+ ¥120.29 (¥132.32) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN 16I/O's I2C, SPI, UART 512Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F4G-A-QFN20
EFM8SB10F4G-A-QFN20 - 8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 4 KB, 20 Pins, QFN

2468086

8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 4 KB, 20 Pins, QFN

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1+ ¥203.78 (¥224.16) 10+ ¥188.10 (¥206.91) 50+ ¥174.78 (¥192.26) 100+ ¥161.46 (¥177.61) 250+ ¥154.56 (¥170.02) 500+ ¥141.71 (¥155.88) 1000+ ¥110.98 (¥122.08) 2500+ ¥109.74 (¥120.71) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 4KB 20Pins QFN 16I/O's I2C, SPI, UART 512Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F32G-B-QFP32
EFM8SB20F32G-B-QFP32 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins, QFP

2771160

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins, QFP

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1+ ¥300.96 (¥331.06) 10+ ¥222.59 (¥244.85) 50+ ¥221.37 (¥243.51) 100+ ¥220.15 (¥242.17) 250+ ¥218.93 (¥240.82) 500+ ¥217.71 (¥239.48) 1000+ ¥216.49 (¥238.14) 2500+ ¥215.26 (¥236.79) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 32Pins QFP 24I/O's I2C, SPI, UART 4.25KB 23Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8G-A-QFN20R
EFM8SB10F8G-A-QFN20R - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN-EP

3387023

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN-EP

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN-EP 16I/O's I2C, SMBus, SPI, UART 512Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F32G-B-QFN32R
EFM8SB20F32G-B-QFN32R - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins, QFN-EP

3387026

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins, QFN-EP

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 32Pins QFN-EP 24I/O's I2C, SMBus, SPI, UART 4.25KB 23Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8A-A-QFN24
EFM8SB10F8A-A-QFN24 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QFN

3605202

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QFN

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1+ ¥284.98 (¥313.48) 10+ ¥283.56 (¥311.92) 25+ ¥277.69 (¥305.46) 50+ ¥271.81 (¥298.99) 100+ ¥265.93 (¥292.52) 250+ ¥260.90 (¥286.99) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 24Pins QFN 17I/O's I2C, SMBus, SPI, UART 512Byte 10Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB AEC-Q100
EFM8SB10F2G-A-QFN20
EFM8SB10F2G-A-QFN20 - 8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

2468085

8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 2KB 20Pins QFN 16I/O's I2C, SPI, UART 256Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F32G-B-QFN24
EFM8SB20F32G-B-QFN24 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 24 Pins, QFN

3605197

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 24 Pins, QFN

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1+ ¥416.96 (¥458.66) 10+ ¥374.64 (¥412.10) 50+ ¥337.80 (¥371.58) 100+ ¥300.96 (¥331.06) 250+ ¥274.32 (¥301.75) 500+ ¥247.67 (¥272.44) 1000+ ¥183.40 (¥201.74) 2500+ ¥179.74 (¥197.71) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 24Pins QFN 16I/O's I2C, SMBus, SPI, UART 4.25KB 15Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F32G-A-QFN32
EFM8SB20F32G-A-QFN32 - 8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins

2468092

8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 32 Pins

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1+ ¥434.20 (¥477.62) 10+ ¥388.74 (¥427.61) 50+ ¥351.12 (¥386.23) 100+ ¥313.50 (¥344.85) 250+ ¥293.13 (¥322.44) 500+ ¥257.07 (¥282.78) 1000+ ¥213.18 (¥234.50) 2500+ ¥191.24 (¥210.36) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 32Pins QFN 24I/O's I2C, SPI, UART 4.25KB 23Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8G-A-CSP16
EFM8SB10F8G-A-CSP16 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, CSP

2930496

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, CSP

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1+ ¥311.94 (¥343.13) 10+ ¥280.59 (¥308.65) 50+ ¥246.11 (¥270.72) 100+ ¥211.62 (¥232.78) 250+ ¥198.30 (¥218.13) 500+ ¥184.97 (¥203.47) 1000+ ¥153.78 (¥169.16) 2500+ ¥143.12 (¥157.43) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 16Pins CSP 13I/O's I2C, SMBus, SPI, UART 512Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F16G-B-QFN24
EFM8SB20F16G-B-QFN24 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 16 KB, 24 Pins, QFN

3605193

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 16 KB, 24 Pins, QFN

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 16KB 24Pins QFN 16I/O's I2C, SMBus, SPI, UART 4.25KB 15Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F64G-B-QFN24
EFM8SB20F64G-B-QFN24 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 64 KB, 24 Pins, QFN

3605198

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 64 KB, 24 Pins, QFN

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 64KB 24Pins QFN 16I/O's I2C, SMBus, SPI, UART 4.25KB 15Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8G-A-QFN24
EFM8SB10F8G-A-QFN24 - 8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QFN

2468088

8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QFN

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 24Pins QFN 17I/O's I2C, SPI, UART 512Byte 10Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F32G-A-QFN24
EFM8SB20F32G-A-QFN24 - 8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 24 Pins

2468091

8 Bit MCU, Sleepy Bee, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 24 Pins

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1+ ¥416.96 (¥458.66) 10+ ¥374.64 (¥412.10) 50+ ¥337.80 (¥371.58) 100+ ¥300.96 (¥331.06) 250+ ¥274.32 (¥301.75) 500+ ¥247.67 (¥272.44) 1000+ ¥183.40 (¥201.74) 2500+ ¥179.74 (¥197.71) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 24Pins QFN 16I/O's I2C, SPI, UART 4.25KB 15Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F32G-B-QFN24R
EFM8SB20F32G-B-QFN24R - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 24 Pins, QFN-EP

3387025

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 32 KB, 24 Pins, QFN-EP

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 32KB 24Pins QFN-EP 16I/O's I2C, SMBus, SPI, UART 4.25KB 15Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8G-A-CSP16R
EFM8SB10F8G-A-CSP16R - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, CSP

3105960

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, CSP

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 16Pins CSP 13I/O's I2C, SMBus, SPI, UART 512Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB20F64G-B-QFN32
EFM8SB20F64G-B-QFN32 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 64 KB, 32 Pins, QFN

3605199

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 64 KB, 32 Pins, QFN

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 64KB 32Pins QFN 24I/O's I2C, SMBus, SPI, UART 4.25KB 23Channels 10Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB -
EFM8SB10F8A-A-QFN20
EFM8SB10F8A-A-QFN20 - 8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

3605201

8 Bit MCU, EFM8 Family EFM8SB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

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1+ ¥430.00 (¥473.00) 10+ ¥370.19 (¥407.21) 25+ ¥350.24 (¥385.26) 50+ ¥334.57 (¥368.03) 100+ ¥320.44 (¥352.48) 250+ ¥305.15 (¥335.67) 500+ ¥287.55 (¥316.31) 1000+ ¥264.73 (¥291.20) More Pricing...

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EFM8 Family EFM8SB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 512Byte 9Channels 12Bit 1.8V 3.6V -40°C 85°C Surface Mount EFM8 EFM8SB AEC-Q100