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
PIC16C621T-20/SO IC MCU 8BIT 1.75KB OTP 18SOIC Microchip Technology	3,521	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16C	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	20MHz	-	Brown-out Detect/Reset, POR, WDT	13	1.75KB (1K x 14)	OTP	-	80 x 8	3V ~ 6V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC16C711T-04E/SS IC MCU 8BIT 1.75KB OTP 20SSOP Microchip Technology	1,047	-	RFQ	Datasheet	20-SSOP (0.209", 5.30mm Width)	PIC® 16C	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	4MHz	-	Brown-out Detect/Reset, POR, WDT	13	1.75KB (1K x 14)	OTP	-	68 x 8	4V ~ 6V	A/D 4x8b	External	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC16LC621AT-04/SO IC MCU 8BIT 1.75KB OTP 18SOIC Microchip Technology	1,672	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16C	Tape & Reel (TR)	Active	Not Verified	PIC	8-Bit	4MHz	-	Brown-out Detect/Reset, POR, WDT	13	1.75KB (1K x 14)	OTP	-	96 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC16C770T-E/SS IC MCU 8BIT 3.5KB OTP 20SSOP Microchip Technology	4,219	-	RFQ	Datasheet	20-SSOP (0.209", 5.30mm Width)	PIC® 16C	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	20MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	15	3.5KB (2K x 14)	OTP	-	256 x 8	4V ~ 5.5V	A/D 6x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC18C601T-I/PT IC MCU 8BIT ROMLESS 64TQFP Microchip Technology	3,079	-	RFQ	Datasheet	64-TQFP	PIC® 18C	Tape & Reel (TR)	Obsolete	Not Verified	PIC	8-Bit	25MHz	EBI/EMI, I2C, SPI, UART/USART	Brown-out Detect/Reset, LVD, POR, PWM, WDT	26	-	ROMless	-	1.5K x 8	4.2V ~ 5.5V	A/D 8x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F627AT-I/ML IC MCU 8BIT 1.75KB FLASH 28QFN Microchip Technology	1,738	-	RFQ	Datasheet	28-VQFN Exposed Pad	PIC® 16F	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	20MHz	UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	1.75KB (1K x 14)	FLASH	128 x 8	224 x 8	3V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F537-C-IT IC MCU 8BIT 2KB FLASH 20TSSOP Silicon Labs	2,455	-	RFQ	Datasheet	20-TSSOP (0.173", 4.40mm Width)	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F537-C-ITR IC MCU 8BIT 2KB FLASH 20TSSOP Silicon Labs	2,059	-	RFQ	Datasheet	20-TSSOP (0.173", 4.40mm Width)	C8051F53x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
DSPIC33EP16GS502T-E/MX IC MCU 16BIT 16KB FLASH 28UQFN Microchip Technology	1,931	-	RFQ	Datasheet	28-UQFN Exposed Pad	dsPIC™ 33EP, Functional Safety (FuSa)	Tape & Reel (TR)	Obsolete	Not Verified	dsPIC	16-Bit	60 MIPs	I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	16KB (16K x 8)	FLASH	-	2K x 8	3V ~ 3.6V	A/D 12x12b; D/A 1x12b	Internal	-40°C ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount
M2L31KGDAE CM23 CPU WITH RERAM Nuvoton Technology Corporation	2,479	-	RFQ	Datasheet	128-LQFP	NuMicro® M2L31	Tray	Active	-	ARM® Cortex®-M23	32-Bit	72MHz	CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, QSPI, SPI, UART/USART, USB	Brown-out Detect/Reset, Crypto - AES, DMA, I2S, LCD, LVD, LVR, POR, PWM, SHA, TRNG, WDT	109	256KB (256K x 8)	FLASH	-	168K x 8	1.71V ~ 3.6V	A/D 24x12b SAR; D/A 2x12b	External, Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
EFM8BB31F64A-B-5QFN32 IC MCU 8BIT 64KB FLASH 32QFN Silicon Labs	1,604	-	RFQ	Datasheet	32-WFQFN Exposed Pad	Busy Bee	Tube	Not For New Designs	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 4x12b	Internal	-40°C ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount
LC87F5N62BU-QIP-E IC MCU 8BIT 66KB FLASH 100QIPE onsemi	3,582	-	RFQ	Datasheet	100-BQFP	-	Tray	Not For New Designs	Not Verified	-	8-Bit	12MHz	SIO, UART/USART	PWM, WDT	88	66KB (66K x 8)	FLASH	-	2K x 8	2.2V ~ 5.5V	A/D 15x8b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ST72F324BK6T6TR IC MCU 8BIT 32KB FLASH 32LQFP STMicroelectronics	4,098	-	RFQ	Datasheet	32-LQFP	ST7	Tape & Reel (TR)	Obsolete	Verified	ST7	8-Bit	8MHz	SCI, SPI	LVD, POR, PWM, WDT	24	32KB (32K x 8)	FLASH	-	1K x 8	3.8V ~ 5.5V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
MSP430F6721AIPZR IC MCU 16BIT 32KB FLASH 100LQFP Texas Instruments	4,744	-	RFQ	Datasheet	100-LQFP	MSP430F6xx	Tape & Reel (TR)	Active	Not Verified	MSP430 CPUXV2	16-Bit	25MHz	I2C, IrDA, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT	72	32KB (32K x 8)	FLASH	-	2K x 8	1.8V ~ 3.6V	A/D 8x10b, 2x24b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
MSP430F6731AIPZR IC MCU 16BIT 32KB FLASH 100LQFP Texas Instruments	2,426	-	RFQ	Datasheet	100-LQFP	MSP430F6xx	Tape & Reel (TR)	Active	Not Verified	MSP430 CPUXV2	16-Bit	25MHz	I2C, IrDA, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT	72	32KB (32K x 8)	FLASH	-	2K x 8	1.8V ~ 3.6V	A/D 8x10b, 3x24b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
R7FA4M1AB3CNB#BA0 MCU RA4 ARM CM4 48MHZ 256K/32K Q Renesas Electronics Corporation	4,899	-	RFQ	Datasheet	64-WFQFN Exposed Pad	RA4M1	Tray	Active	-	ARM® Cortex®-M4F	32-Bit	48MHz	CANbus, EBI/EMI, I2C, SCI, SPI, UART/USART, USB	DMA, LVD, POR, PWM, WDT	52	256KB (256K x 8)	FLASH	8K x 8	32K x 8	1.6V ~ 5.5V	A/D 18x14b SAR; D/A 2x8b, 1x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
S9S12G48J0CLFR S12 CORE,64K FLASH, NXP USA Inc.	4,217	-	RFQ	Datasheet	48-LQFP	HCS12	Tape & Reel (TR)	Active	-	S12	16-Bit	25MHz	CANbus, IrDA, LINbus, SCI, SPI	LVD, POR, PWM, WDT	40	48KB (48K x 8)	FLASH	1.5K x 8	4K x 8	3.13V ~ 5.5V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
S9S12GN48J0MLFR S12 CORE,48K FLASH,AU NXP USA Inc.	1,391	-	RFQ	Datasheet	48-LQFP	HCS12	Tape & Reel (TR)	Active	-	S12	16-Bit	25MHz	IrDA, LINbus, SCI, SPI	LVD, POR, PWM, WDT	40	48KB (48K x 8)	FLASH	1.5K x 8	4K x 8	3.13V ~ 5.5V	A/D 12x10b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
S9S12G48J1CLCR IC MCU 16BIT 48KB FLASH 32LQFP NXP USA Inc.	1,303	-	RFQ	Datasheet	32-LQFP	HCS12	Tape & Reel (TR)	Active	-	S12	16-Bit	25MHz	CANbus, IrDA, LINbus, SCI, SPI	LVD, POR, PWM, WDT	26	48KB (48K x 8)	FLASH	1.5K x 8	4K x 8	3.13V ~ 5.5V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
W7500P IC MCU 32BIT 128KB FLASH 64TQFP WIZnet	1,342	-	RFQ	Datasheet	64-LQFP	-	Tray	Active	Not Verified	ARM® Cortex®-M0	32-Bit Single-Core	48MHz	Ethernet/TCP/IP, I2C, SSP, UART/USART	DMA, POR, PWM, WDT	34	128KB (32K x 32)	FLASH	-	16K x 8	2.7V ~ 3.6V	A/D 9x12b	External, Internal	0°C ~ 70°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.