Microcontrollers

Browse available Microcontrollers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
AT87C54X2-SLRUM IC MCU 8BIT 16KB OTP 44PLCC Microchip Technology	1,300	-	RFQ	Datasheet	44-LCC (J-Lead)	87C	Tape & Reel (TR)	Obsolete	Not Verified	80C51	8-Bit	40/20MHz	UART/USART	POR, WDT	32	16KB (16K x 8)	OTP	-	256 x 8	4.5V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C5132-RORUL IC MCU 8BIT 64KB FLASH 80TQFP Microchip Technology	3,487	-	RFQ	Datasheet	80-LQFP	AT89C513x	Tape & Reel (TR)	Obsolete	Not Verified	80C51	8-Bit	20MHz	IDE/ATAPI, I2C, Memory Card, PCM, SPI, UART/USART, USB	I2S, POR, WDT	44	64KB (64K x 8)	FLASH	4K x 8	2.25K x 8	2.7V ~ 3.3V	A/D 2x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51RE2-RLTUM IC MCU 8BIT 128KB FLASH 44VQFP Microchip Technology	4,538	-	RFQ	Datasheet	44-LQFP	89C	Tray	Obsolete	Not Verified	80C51	8-Bit	60MHz	I2C, SPI, UART/USART	POR, PWM, WDT	34	128KB (128K x 8)	FLASH	-	8K x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51RE2-SLRUM IC MCU 8BIT 128KB FLASH 44PLCC Microchip Technology	3,228	-	RFQ	Datasheet	44-LCC (J-Lead)	89C	Tape & Reel (TR)	Obsolete	Verified	80C51	8-Bit	60MHz	I2C, SPI, UART/USART	POR, PWM, WDT	34	128KB (128K x 8)	FLASH	-	8K x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89LP213-20PU IC MCU 8BIT 2KB FLASH 14DIP Microchip Technology	1,528	-	RFQ	Datasheet	14-DIP (0.300", 7.62mm)	89LP	Tube	Obsolete	Not Verified	8051	8-Bit	20MHz	SPI	Brown-out Detect/Reset, POR, PWM, WDT	12	2KB (2K x 8)	FLASH	-	128 x 8	2.4V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
AT89LP214-20PU IC MCU 8BIT 2KB FLASH 14DIP Microchip Technology	4,955	-	RFQ	Datasheet	14-DIP (0.300", 7.62mm)	89LP	Tube	Obsolete	Not Verified	8051	8-Bit	20MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	12	2KB (2K x 8)	FLASH	-	128 x 8	2.4V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
AT89S2051-24PU IC MCU 8BIT 2KB FLASH 20DIP Microchip Technology	3,190	-	RFQ	Datasheet	20-DIP (0.300", 7.62mm)	89S	Tube	Obsolete	Not Verified	8051	8-Bit	24MHz	UART/USART	Brown-out Detect/Reset, POR, PWM	15	2KB (2K x 8)	FLASH	-	256 x 8	2.7V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
AT89S4051-24PU IC MCU 8BIT 4KB FLASH 20DIP Microchip Technology	4,089	-	RFQ	Datasheet	20-DIP (0.300", 7.62mm)	89S	Tube	Obsolete	Not Verified	8051	8-Bit	24MHz	UART/USART	Brown-out Detect/Reset, POR, PWM	15	4KB (4K x 8)	FLASH	-	256 x 8	2.7V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
AT90PWM316-16SUR IC MCU 8BIT 16KB FLASH 32SOIC Microchip Technology	1,874	-	RFQ	Datasheet	32-SOIC (0.295", 7.50mm Width)	AVR® 90PWM Lighting	Tape & Reel (TR)	Obsolete	Not Verified	AVR	8-Bit	16MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	27	16KB (16K x 8)	FLASH	512 x 8	1K x 8	2.7V ~ 5.5V	A/D 11x10b; D/A 1x10b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
AT91SAM7S16-AU IC MCU 16/32BIT 16KB FLSH 48LQFP Microchip Technology	4,102	-	RFQ	Datasheet	48-LQFP	SAM7S	Tray	Obsolete	Not Verified	ARM7®	16/32-Bit	55MHz	I2C, SPI, SSC, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	16KB (16K x 8)	FLASH	-	4K x 8	1.65V ~ 1.95V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATA6612P-PLPW IC MCU 8BIT 8KB FLASH 48QFN Microchip Technology	1,888	-	RFQ	Datasheet	48-VFQFN Exposed Pad	AVR® ATA66 LIN-SBC	Tape & Reel (TR)	Obsolete	Not Verified	AVR	8-Bit	16MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	8KB (8K x 8)	FLASH	512 x 8	1K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 125°C (TC)	Automotive	AEC-Q100	Surface Mount
ATA6612P-PLQW IC MCU 8BIT 8KB FLASH 48QFN Microchip Technology	4,137	-	RFQ	Datasheet	48-VFQFN Exposed Pad	AVR® ATA66 LIN-SBC	Tape & Reel (TR)	Obsolete	Not Verified	AVR	8-Bit	16MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	8KB (8K x 8)	FLASH	512 x 8	1K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 125°C (TC)	Automotive	AEC-Q100	Surface Mount
ATA6613P-PLQW IC MCU 8BIT 16KB FLASH 48QFN Microchip Technology	2,019	-	RFQ	Datasheet	48-VFQFN Exposed Pad	AVR® ATA66 LIN-SBC	Tape & Reel (TR)	Obsolete	Not Verified	AVR	8-Bit	16MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	16KB (16K x 8)	FLASH	512 x 8	1K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 125°C (TC)	Automotive	AEC-Q100	Surface Mount
ATMEGA16-16AQ IC MCU 8BIT 16KB FLASH 44TQFP Microchip Technology	4,685	-	RFQ	Datasheet	44-TQFP	AVR® ATmega	Tray	Active	Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	16KB (8K x 16)	FLASH	512 x 8	1K x 8	4.5V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
ATMEGA168-15AT IC MCU 8BIT 16KB FLASH 32TQFP Microchip Technology	4,370	-	RFQ	Datasheet	32-TQFP	AVR® ATmega	Tape & Reel (TR)	Obsolete	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 ~ 85°C (TA)	Automotive	AEC-Q100	Surface Mount
ATMEGA168-15AT1 IC MCU 8BIT 16KB FLASH 32TQFP Microchip Technology	2,794	-	RFQ	Datasheet	32-TQFP	AVR® ATmega	Tape & Reel (TR)	Obsolete	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
ATMEGA168-15AZ IC MCU 8BIT 16KB FLASH 32TQFP Microchip Technology	3,863	-	RFQ	Datasheet	32-TQFP	AVR® ATmega	Tape & Reel (TR)	Obsolete	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 ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount
ATMEGA168-15MT IC MCU 8BIT 16KB FLASH 32QFN Microchip Technology	1,931	-	RFQ	Datasheet	32-VFQFN Exposed Pad	AVR® ATmega	Tape & Reel (TR)	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 ~ 85°C (TA)	Automotive	AEC-Q100	Surface Mount
ATMEGA168-15MT1 IC MCU 8BIT 16KB FLASH 32QFN Microchip Technology	1,066	-	RFQ	Datasheet	32-VFQFN Exposed Pad	AVR® ATmega	Tape & Reel (TR)	Obsolete	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
ATMEGA168-15MZ IC MCU 8BIT 16KB FLASH 32QFN Microchip Technology	2,540	-	RFQ	Datasheet	32-VFQFN Exposed Pad	AVR® ATmega	Tape & Reel (TR)	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 ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount

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FREQUENTLY ASKED QUESTIONS

Microcontrollers FAQ

Common questions about selecting, comparing and sourcing Microcontrollers components through Winsun (HK) Electronics.

What should I check when selecting Microcontrollers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Microcontrollers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Microcontrollers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Microcontrollers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.