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.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

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
EFM32LG840F128G-F-QFN64R IC MCU 32BIT 128KB FLASH 64QFN Silicon Labs	1,855	-	RFQ	Datasheet	64-VFQFN Exposed Pad	Leopard Gecko	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	48MHz	I2C, IrDA, SmartCard, SPI, UART/USART	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	56	128KB (128K x 8)	FLASH	-	32K x 8	1.98V ~ 3.8V	A/D 8x12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
MK22DX256VLF5 IC MCU 32BIT 256KB FLASH 48LQFP NXP USA Inc.	3,039	-	RFQ	Datasheet	48-LQFP	Kinetis K20	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	50MHz	I2C, IrDA, SPI, UART/USART, USB, USB OTG	DMA, I2S, LVD, POR, PWM, WDT	29	256KB (256K x 8)	FLASH	4K x 8	32K x 8	1.71V ~ 3.6V	A/D 14x16b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
PIC16C774T-I/L IC MCU 8BIT 7KB OTP 44PLCC Microchip Technology	4,632	-	RFQ	Datasheet	44-LCC (J-Lead)	PIC® 16C	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	7KB (4K x 14)	OTP	-	256 x 8	4V ~ 5.5V	A/D 10x12b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F84AT-20/SO IC MCU 8BIT 1.75KB FLASH 18SOIC Microchip Technology	1,043	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16F	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	20MHz	-	POR, WDT	13	1.75KB (1K x 14)	FLASH	64 x 8	68 x 8	4V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC18LF248T-I/SO IC MCU 8BIT 16KB FLASH 28SOIC Microchip Technology	2,320	-	RFQ	Datasheet	28-SOIC (0.295", 7.50mm Width)	PIC® 18F	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	40MHz	CANbus, I2C, SPI, UART/USART	Brown-out Detect/Reset, LVD, POR, PWM, WDT	22	16KB (8K x 16)	FLASH	256 x 8	768 x 8	2V ~ 5.5V	A/D 5x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51IC2-SLRIM IC MCU 8BIT 32KB FLASH 44PLCC Microchip Technology	3,470	-	RFQ	Datasheet	44-LCC (J-Lead)	89C	Tape & Reel (TR)	Obsolete	Verified	80C51	8-Bit	60MHz	I2C, SPI, UART/USART	POR, PWM, WDT	34	32KB (32K x 8)	FLASH	-	1.25K x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18LF4553T-I/ML IC MCU 8BIT 32KB FLASH 44QFN Microchip Technology	1,390	-	RFQ	Datasheet	44-VQFN Exposed Pad	PIC® 18F	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	48MHz	I2C, SPI, UART/USART, USB	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	34	32KB (16K x 16)	FLASH	256 x 8	2K x 8	2V ~ 5.5V	A/D 13x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L552MEY6PTR IC MCU 32BIT 512KB FLASH 81WLCSP STMicroelectronics	3,541	-	RFQ	Datasheet	81-UFBGA, WLCSP	STM32L5	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M33	32-Bit Single-Core	110MHz	CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, PWM, WDT	54	512KB (512K x 8)	FLASH	-	256K x 8	1.71V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L552MEY6QTR IC MCU 32BIT 512KB FLASH 81WLCSP STMicroelectronics	4,534	-	RFQ	Datasheet	81-UFBGA, WLCSP	STM32L5	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M33	32-Bit Single-Core	110MHz	CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, PWM, WDT	51	512KB (512K x 8)	FLASH	-	256K x 8	1.71V ~ 3.6V	A/D 31x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
CY8C4247AZA-M475T IC MCU 32BIT 128KB FLASH 64LQFP Infineon Technologies	3,050	-	RFQ	Datasheet	64-LQFP	PSOC™ 4 CY8C42xx - M	Tape & Reel (TR)	Active	-	ARM® Cortex®-M0	32-Bit	48MHz	FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART	Brown-out Detect/Reset, DMA, LCD, LVD, POR, PWM, Temp Sensor, WDT	51	128KB (128K x 8)	FLASH	-	16K x 8	1.71V ~ 5.5V	A/D 16x12b SAR; D/A 4x7/8b	External, Internal	-40°C ~ 85°C (TA)	Automotive	AEC-Q100	Surface Mount
M471KI8AE IC MCU 32BIT 512KB FLASH 128LQFP Nuvoton Technology Corporation	4,647	-	RFQ	Datasheet	128-LQFP	-	Tray	Active	-	ARM® Cortex®-M4	32-Bit	120MHz	I2C, SPI, UART/USART	DMA, PWM, WDT	119	512KB (512K x 8)	FLASH	-	64K x 8	2.5V ~ 5.5V	A/D 24x12b; D/A 1x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
S9S08AW48E7VFGE IC MCU 8BIT 48KB FLASH 44LQFP NXP USA Inc.	1,087	-	RFQ	Datasheet	44-LQFP	S08	Tray	Active	Not Verified	S08	8-Bit	40MHz	I2C, SCI, SPI	LVD, POR, PWM, WDT	34	48KB (48K x 8)	FLASH	-	2K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
CY9BF414NBGL-GK9E1 IC MCU 32BIT 288KB FLASH 112BGA Infineon Technologies	2,494	-	RFQ	Datasheet	112-LFBGA	FM3 MB9B410R	Tray	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	144MHz	CANbus, CSIO, EBI/EMI, I2C, LINbus, UART/USART	DMA, LVD, POR, PWM, WDT	83	288KB (288K x 8)	FLASH	-	32K x 8	2.7V ~ 5.5V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
CY8C28433-24PVXI IC MCU 8BIT 16KB FLASH 28SSOP Infineon Technologies	4,209	-	RFQ	Datasheet	28-SSOP (0.209", 5.30mm Width)	PSOC™1 CY8C28xxx	Tube	Active	Verified	M8C	8-Bit	24MHz	I2C, IrDA, SPI, UART/USART	LVD, POR, PWM, WDT	24	16KB (16K x 8)	FLASH	-	1K x 8	3V ~ 5.25V	A/D 4x14b; D/A 4x9b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATSAM4S8CA-CFNR IC MCU 32BIT 512KB FLSH 100VFBGA Microchip Technology	4,164	-	RFQ	Datasheet	100-VFBGA	SAM4S	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	120MHz	EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	79	512KB (512K x 8)	FLASH	-	128K x 8	1.62V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
PIC16C56-LPE/SO IC MCU 8BIT 1.5KB OTP 18SOIC Microchip Technology	4,566	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	40MHz	-	POR, WDT	12	1.5KB (1K x 12)	OTP	-	25 x 8	2.5V ~ 6V	-	External	-40°C ~ 125°C (TA)	-	-	Surface Mount
DSPIC33CK1024MP408-I/PT IC MCU 16BIT 1MB FLASH 80TQFP Microchip Technology	1,200	-	RFQ	Datasheet	80-TQFP	dsPIC® 33CK	Tray	Active	-	dsPIC	16-Bit	100MIPs	I2C, LINbus, QEI, SPI, Smart Card, UART/USART	Brown-out Detect/Reset, DMA, I2S, Motor Control PWM, POR, PWM, QEI, WDT	89	1MB (1M x 8)	FLASH	-	128K x 8	3V ~ 3.6V	A/D 24x12b SAR; D/A 6x12b	External, Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
DSPIC33CK1024MP706-I/PT IC MCU 16BIT 1MB FLASH 64TQFP Microchip Technology	3,305	-	RFQ	Datasheet	64-TQFP	dsPIC® 33CK	Tray	Active	-	dsPIC	16-Bit	100MIPs	CANbus, I2C, LINbus, QEI, SPI, Smart Card, UART/USART	Brown-out Detect/Reset, DMA, I2S, Motor Control PWM, POR, PWM, QEI, WDT	54	1MB (1M x 8)	FLASH	-	128K x 8	3V ~ 3.6V	A/D 20x12b SAR; D/A 6x12b	External, Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F560-IM IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	3,924	-	RFQ	Datasheet	32-VFQFN Exposed Pad	C8051F56x	Tube	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	25	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 25x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F560-IMR IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	4,708	-	RFQ	Datasheet	32-VFQFN Exposed Pad	C8051F56x	Tape & Reel (TR)	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	25	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 25x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount

WINSUN SOURCING SUPPORT

Need Microcontrollers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

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.