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.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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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
C8051T604-GS IC MCU 8BIT 2KB OTP 14SOIC Silicon Labs	4,807	-	RFQ	Datasheet	14-SOIC (0.154", 3.90mm Width)	C8051T60x	Tube	Obsolete	Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), UART/USART	POR, PWM, Temp Sensor, WDT	8	2KB (2K x 8)	OTP	-	256 x 8	1.8V ~ 3.6V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F855-C-GM IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	3,132	-	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	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F809-GS IC MCU 8BIT 16KB FLASH 16SOIC Silicon Labs	1,019	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F80x	Tube	Obsolete	Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Cap Sense, POR, PWM, WDT	13	16KB (16K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F704-GM IC MCU 8BIT 15KB FLASH 48QFN Silicon Labs	1,195	-	RFQ	Datasheet	48-VFQFN Exposed Pad	C8051F70x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Cap Sense, POR, PWM, Temp Sensor, WDT	39	15KB (15K x 8)	FLASH	32 x 8	512 x 8	1.8V ~ 3.6V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F851-C-GM IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	240	-	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	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F852-C-GU IC MCU 8BIT 2KB FLASH 24QSOP Silicon Labs	2,257	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	C8051F85x	Tube	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	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F64G-D-QSOP24 IC MCU 8BIT 64KB FLASH 24QSOP Silicon Labs	1,720	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Busy Bee	Tube	Obsolete	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 13x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F987-C-GU IC MCU 8BIT 8KB FLASH 24QSOP Silicon Labs	3,920	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	C8051F9xx	Tube	Obsolete	Not Verified	CIP-51 8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	17	8KB (8K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F981-C-GM IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	1,566	-	RFQ	Datasheet	20-UFQFN Exposed Pad	C8051F9xx	Tube	Obsolete	Not Verified	CIP-51 8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	8KB (8K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM32TG11B520F128GM64-A IC MCU 32BIT 128KB FLASH 64QFN Silicon Labs	1,212	-	RFQ	Datasheet	64-VFQFN Exposed Pad	Tiny Gecko 1	Tray	Discontinued at Digi-Key	Not Verified	ARM® Cortex®-M0+	32-Bit Single-Core	48MHz	CANbus, I2C, IrDA, LINbus, SmartCard, SPI, UART/USART	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	53	128KB (128K x 8)	FLASH	-	32K x 8	1.8V ~ 3.8V	A/D 12bit SAR; D/A 12bit	Internal	-40°C ~ 85°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.