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
AT80C51RA2-RLTUM IC MCU 8BIT ROMLESS 44VQFP Atmel	1,483	-	RFQ	Datasheet	44-LQFP	80C	Tray	Obsolete	Not Verified	80C51	8-Bit	40/20MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	512 x 8	4.5V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATTINY84-20MU IC MCU 8BIT 8KB FLASH 20QFN Atmel	28,129	-	RFQ	Datasheet	20-WFQFN Exposed Pad	AVR® ATtiny	Bulk	Active	Not Verified	AVR	8-Bit	20MHz	USI	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	12	8KB (4K x 16)	FLASH	512 x 8	512 x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT80C32X2-SLRUM IC MCU 8BIT ROMLESS 44PLCC Atmel	96,507	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Bulk	Obsolete	Not Verified	80C51	8-Bit	40/20MHz	UART/USART	POR	32	-	ROMless	-	256 x 8	4.5V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT90PWM3EAZ-16MQ RISC MICROCONTROLLER, 8 BIT, FL Atmel	30,287	-	RFQ	Datasheet	-	AVR® 90PWM Lighting	Bulk	Active	Not Verified	AVR	8-Bit	16MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	-	8KB (8K x 8)	FLASH	512 x 8	512 x 8	-	A/D 11x10b; D/A 1x10b	Internal	-	-	-	-
ATMEGA48-15AT1 IC MCU 8BIT 4KB FLASH 32TQFP Atmel	425	-	RFQ	Datasheet	32-TQFP	AVR® ATmega	Bulk	Obsolete	Not Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	4KB (2K x 16)	FLASH	256 x 8	512 x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 105°C (TA)	Automotive	AEC-Q100	Surface Mount
AT80C31X2-3CSUL IC MCU 8BIT ROMLESS 40PDIL Atmel	12,387	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	80C	Tube	Obsolete	Not Verified	80C51	8-Bit	30/20MHz	UART/USART	POR	32	-	ROMless	-	128 x 8	2.7V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
ATSAMD21G17A-MUT IC MCU 32BIT 128KB FLASH 48QFN Atmel	325	-	RFQ	Datasheet	48-VFQFN Exposed Pad	SAM D21G, Functional Safety (FuSa)	Bulk	Active	Not Verified	ARM® Cortex®-M0+	32-Bit Single-Core	48MHz	I2C, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	38	128KB (128K x 8)	FLASH	-	16K x 8	1.62V ~ 3.6V	A/D 14x12b; D/A 1x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT80C51RA2-SLSUM IC MCU 8BIT ROMLESS 44PLCC Atmel	8,568	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Tube	Obsolete	Not Verified	80C51	8-Bit	40/20MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	512 x 8	4.5V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT80C51RA2-SLRUM IC MCU 8BIT ROMLESS 44PLCC Atmel	5,000	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Bulk	Active	Not Verified	80C51	8-Bit	40/20MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	512 x 8	4.5V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA168V-10PI IC MCU 8BIT 16KB FLASH 28DIP Atmel	3,751	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	AVR® ATmega	Tube	Obsolete	Not Verified	AVR	8-Bit	10MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	16KB (8K x 16)	FLASH	512 x 8	1K x 8	1.8V ~ 5.5V	A/D 6x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole

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Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

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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.