Microcontrollers

Use the filters and product table below to compare Microcontrollers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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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
EFM8BB31F64G-D-QFN24R IC MCU 8BIT 64KB FLASH 24QFN Silicon Labs	2,535	-	RFQ	Datasheet	24-VFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 12x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F854-C-GUR IC MCU 8BIT 4KB FLASH 24SSOP Silicon Labs	3,121	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	C8051F85x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	4KB (4K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F854-C-IM IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	1,506	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F85x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	15	4KB (4K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F855-C-IUR IC MCU 8BIT 2KB FLASH 24SSOP Silicon Labs	1,166	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	C8051F85x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F864-C-ISR IC MCU 8BIT 4KB FLASH 16SOIC Silicon Labs	4,312	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F86x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	4KB (4K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F863-C-GSR IC MCU 8BIT 8KB FLASH 16SOIC Silicon Labs	1,062	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F86x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F862-C-ISR IC MCU 8BIT 2KB FLASH 16SOIC Silicon Labs	3,377	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F86x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	A/D 12x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
EFM8LB11F32E-C-QFN32 IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	4,700	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Laser Bee	Tray	Active	Not Verified	CIP-51 8051	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x14b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
EFM8LB11F32E-C-QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	4,370	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Laser Bee	Tape & Reel (TR)	Active	Not Verified	CIP-51 8051	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x14b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
EFM8LB11F32ES0-C-QFN32 IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,749	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Laser Bee	Tray	Active	Not Verified	CIP-51 8051	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x14b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount

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FREQUENTLY ASKED QUESTIONS

Microcontrollers FAQ

Common questions about filtering, comparing and sourcing Microcontrollers components.

How can I narrow the Microcontrollers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Microcontrollers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.