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
AT32UC3B064-A2UR IC MCU 32BIT 64KB FLASH 64TQFP Atmel	100	-	RFQ	Datasheet	64-TQFP	AVR®32 UC3 B	Bulk	Active	Not Verified	AVR	32-Bit Single-Core	60MHz	I2C, IrDA, SPI, SSC, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	44	64KB (64K x 8)	FLASH	-	16K x 8	1.65V ~ 3.6V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA406-1AAU IC MCU 8BIT 40KB FLASH 48LQFP Atmel	4,705	-	RFQ	Datasheet	48-LQFP	AVR® ATmega	Bulk	Active	Not Verified	AVR	8-Bit	1MHz	I2C	POR, WDT	18	40KB (20K x 16)	FLASH	512 x 8	2K x 8	4V ~ 25V	A/D 10x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51IC2-SLSUL IC MCU 8BIT 32KB FLASH 44PLCC Atmel	3,922	-	RFQ	Datasheet	44-LCC (J-Lead)	89C	Bulk	Active	Not Verified	80C51	8-Bit	60MHz	I2C, SPI, UART/USART	POR, PWM, WDT	34	32KB (32K x 8)	FLASH	-	1.25K x 8	2.7V ~ 3.6V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C5115-TISUM IC MCU 8BIT 16KB FLASH 28SOIC Atmel	3,120	-	RFQ	Datasheet	28-SOIC (0.400", 10.16mm Width)	89C	Bulk	Active	Not Verified	80C51	8-Bit	40MHz	UART/USART	POR, PWM, WDT	20	16KB (16K x 8)	FLASH	2K x 8	512 x 8	3V ~ 5.5V	A/D 8x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT32UC3L0256-AUT IC MCU 32BIT 256KB FLASH 48TQFP Atmel	3,511	-	RFQ	Datasheet	48-TQFP	AVR®32 UC3 L	Bulk	Active	Not Verified	AVR	32-Bit Single-Core	50MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	36	256KB (256K x 8)	FLASH	-	32K x 8	1.62V ~ 3.6V	A/D 8x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA128-16AC IC MCU 8BIT 128KB FLASH 64TQFP Atmel	1,100	-	RFQ	Datasheet	64-TQFP	AVR® ATmega	Tray	Obsolete	Not Verified	AVR	8-Bit	16MHz	EBI/EMI, I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	53	128KB (64K x 16)	FLASH	4K x 8	4K x 8	4.5V ~ 5.5V	A/D 8x10b	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
ATTINY12L-4SU IC MCU 8BIT 1KB FLASH 8SOIC Atmel	4,580	-	RFQ	Datasheet	8-SOIC (0.209", 5.30mm Width)	AVR® ATtiny	Tube	Obsolete	Not Verified	AVR	8-Bit	4MHz	-	POR, WDT	6	1KB (512 x 16)	FLASH	64 x 8	-	2.7V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA128L-8AC IC MCU 8BIT 128KB FLASH 64TQFP Atmel	2,603	-	RFQ	Datasheet	64-TQFP	AVR® ATmega	Tray	Obsolete	Not Verified	AVR	8-Bit	8MHz	EBI/EMI, I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	53	128KB (64K x 16)	FLASH	4K x 8	4K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
ATMEGA168-15MT1 IC MCU 8BIT 16KB FLASH 32QFN Atmel	2,276	-	RFQ	Datasheet	32-VFQFN Exposed Pad	AVR® ATmega	Bulk	Obsolete	Not Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	16KB (8K x 16)	FLASH	512 x 8	1K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 105°C (TA)	Automotive	AEC-Q100	Surface Mount
ATMEGA644P-15AT IC MCU 8BIT 64KB FLASH 44TQFP Atmel	2,568	-	RFQ	Datasheet	44-TQFP	AVR® ATmega	Bulk	Obsolete	Not Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	64KB (32K x 16)	FLASH	2K x 8	4K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	Automotive	AEC-Q100	Surface Mount

WINSUN SOURCING SUPPORT

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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.