Microcontrollers

Manufacturer Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device 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





























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package
EFM8SB20F32G-A-QFN24 Silicon Labs

EFM8SB20F32G-A-QFN24

IC MCU 8BIT 32KB FLASH 24QFN

Silicon Labs

4,354
RFQ
EFM8SB20F32G-A-QFN24 Datasheet

Datasheet

24-WFQFN Exposed Pad Sleepy Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 16 32KB (32K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 15x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F32G-A-QFN32 Silicon Labs

EFM8SB20F32G-A-QFN32

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

1,806
RFQ
EFM8SB20F32G-A-QFN32 Datasheet

Datasheet

32-VFQFN Exposed Pad Sleepy Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 24 32KB (32K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 23x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F32G-A-QFP32 Silicon Labs

EFM8SB20F32G-A-QFP32

IC MCU 8BIT 32KB FLASH 32QFP

Silicon Labs

2,966
RFQ
EFM8SB20F32G-A-QFP32 Datasheet

Datasheet

32-LQFP Sleepy Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 24 32KB (32K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 23x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F64G-A-QFN24 Silicon Labs

EFM8SB20F64G-A-QFN24

IC MCU 8BIT 64KB FLASH 24QFN

Silicon Labs

4,412
RFQ
EFM8SB20F64G-A-QFN24 Datasheet

Datasheet

24-WFQFN Exposed Pad Sleepy Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 16 64KB (64K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 15x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F64G-A-QFN32 Silicon Labs

EFM8SB20F64G-A-QFN32

IC MCU 8BIT 64KB FLASH 32QFN

Silicon Labs

4,165
RFQ
EFM8SB20F64G-A-QFN32 Datasheet

Datasheet

32-VFQFN Exposed Pad Sleepy Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 24 64KB (64K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 23x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F64G-A-QFP32 Silicon Labs

EFM8SB20F64G-A-QFP32

IC MCU 8BIT 64KB FLASH 32QFP

Silicon Labs

2,590
RFQ
EFM8SB20F64G-A-QFP32 Datasheet

Datasheet

32-LQFP Sleepy Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 24 64KB (64K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 23x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB10F16G-B-QFN20 Silicon Labs

EFM8UB10F16G-B-QFN20

IC MCU 8BIT 16KB FLASH 20QFN

Silicon Labs

3,456
RFQ
EFM8UB10F16G-B-QFN20 Datasheet

Datasheet

20-UFQFN Exposed Pad Universal Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 13 16KB (16K x 8) FLASH - 2.25K x 8 2.2V ~ 5.25V A/D 11x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB10F16G-B-QFN28 Silicon Labs

EFM8UB10F16G-B-QFN28

IC MCU 8BIT 16KB FLASH 28QFN

Silicon Labs

4,510
RFQ
EFM8UB10F16G-B-QFN28 Datasheet

Datasheet

28-WFQFN Exposed Pad Universal Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 22 16KB (16K x 8) FLASH - 2.25K x 8 2.2V ~ 5.25V A/D 20x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB10F8G-B-QFN20 Silicon Labs

EFM8UB10F8G-B-QFN20

IC MCU 8BIT 8KB FLASH 20QFN

Silicon Labs

3,181
RFQ
EFM8UB10F8G-B-QFN20 Datasheet

Datasheet

20-UFQFN Exposed Pad Universal Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 13 8KB (8K x 8) FLASH - 2.25K x 8 2.2V ~ 5.25V A/D 11x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB11F16G-B-QSOP24 Silicon Labs

EFM8UB11F16G-B-QSOP24

IC MCU 8BIT 16KB FLASH 24QSOP

Silicon Labs

1,378
RFQ
EFM8UB11F16G-B-QSOP24 Datasheet

Datasheet

24-SSOP (0.154", 3.90mm Width) Universal Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 17 16KB (16K x 8) FLASH - 2.25K x 8 2.2V ~ 5.25V A/D 15x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB20F32G-A-QFN32 Silicon Labs

EFM8UB20F32G-A-QFN32

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

4,348
RFQ
EFM8UB20F32G-A-QFN32 Datasheet

Datasheet

32-VFQFN Exposed Pad Universal Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 48MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 25 32KB (32K x 8) FLASH - 2.25K x 8 2.65V ~ 3.6V A/D 20x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB20F32G-A-QFP32 Silicon Labs

EFM8UB20F32G-A-QFP32

IC MCU 8BIT 32KB FLASH 32QFP

Silicon Labs

4,603
RFQ
EFM8UB20F32G-A-QFP32 Datasheet

Datasheet

32-LQFP Universal Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 48MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 25 32KB (32K x 8) FLASH - 2.25K x 8 2.65V ~ 3.6V A/D 20x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB20F32G-A-QFP48 Silicon Labs

EFM8UB20F32G-A-QFP48

IC MCU 8BIT 32KB FLASH 48TQFP

Silicon Labs

4,975
RFQ
EFM8UB20F32G-A-QFP48 Datasheet

Datasheet

48-TQFP Universal Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 48MHz EBI/EMI, I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 40 32KB (32K x 8) FLASH - 2.25K x 8 2.65V ~ 3.6V A/D 32x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB20F64G-A-QFN32 Silicon Labs

EFM8UB20F64G-A-QFN32

IC MCU 8BIT 64KB FLASH 32QFN

Silicon Labs

2,065
RFQ
EFM8UB20F64G-A-QFN32 Datasheet

Datasheet

32-VFQFN Exposed Pad Universal Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 48MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 25 64KB (64K x 8) FLASH - 4.25K x 8 2.65V ~ 3.6V A/D 20x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB20F64G-A-QFP32 Silicon Labs

EFM8UB20F64G-A-QFP32

IC MCU 8BIT 64KB FLASH 32QFP

Silicon Labs

2,402
RFQ
EFM8UB20F64G-A-QFP32 Datasheet

Datasheet

32-LQFP Universal Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 48MHz I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 25 64KB (64K x 8) FLASH - 4.25K x 8 2.65V ~ 3.6V A/D 20x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8UB20F64G-A-QFP48 Silicon Labs

EFM8UB20F64G-A-QFP48

IC MCU 8BIT 64KB FLASH 48TQFP

Silicon Labs

4,816
RFQ
EFM8UB20F64G-A-QFP48 Datasheet

Datasheet

48-TQFP Universal Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 48MHz EBI/EMI, I2C, SMBus, SPI, UART/USART, USB Brown-out Detect/Reset, POR, PWM, WDT 40 64KB (64K x 8) FLASH - 4.25K x 8 2.65V ~ 3.6V A/D 32x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F16G-A-QFN24R Silicon Labs

EFM8SB20F16G-A-QFN24R

IC MCU 8BIT 16KB FLASH 24QFN

Silicon Labs

3,874
RFQ
EFM8SB20F16G-A-QFN24R Datasheet

Datasheet

24-WFQFN Exposed Pad Sleepy Bee Tape & Reel (TR) Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 16 16KB (16K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 15x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F32G-A-QFN24R Silicon Labs

EFM8SB20F32G-A-QFN24R

IC MCU 8BIT 32KB FLASH 24QFN

Silicon Labs

3,924
RFQ
EFM8SB20F32G-A-QFN24R Datasheet

Datasheet

24-WFQFN Exposed Pad Sleepy Bee Tape & Reel (TR) Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 16 32KB (32K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 15x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F32G-A-QFN32R Silicon Labs

EFM8SB20F32G-A-QFN32R

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

2,997
RFQ
EFM8SB20F32G-A-QFN32R Datasheet

Datasheet

32-VFQFN Exposed Pad Sleepy Bee Tape & Reel (TR) Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 24 32KB (32K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 23x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8SB20F32G-A-QFP32R Silicon Labs

EFM8SB20F32G-A-QFP32R

IC MCU 8BIT 32KB FLASH 32QFP

Silicon Labs

2,215
RFQ
EFM8SB20F32G-A-QFP32R Datasheet

Datasheet

32-LQFP Sleepy Bee Tape & Reel (TR) Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 25MHz EBI/EMI, I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 24 32KB (32K x 8) FLASH - 4.25K x 8 1.8V ~ 3.6V A/D 23x10b Internal -40°C ~ 85°C (TA) - - Surface Mount

Microcontrollers Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Microcontrollers components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Microcontrollers Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Microcontrollers FAQ

Can FPGAX source both active and end-of-life Microcontrollers components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Microcontrollers sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.