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
W78L516A24PL IC MCU 8BIT 64KB FLASH 44PLCC Nuvoton Technology Corporation	3,105	-	RFQ	Datasheet	44-LCC (J-Lead)	W78	Tube	Obsolete	Not Verified	80C52	8-Bit	24MHz	EBI/EMI, Serial Port	POR, WDT	36	64KB (64K x 8)	FLASH	-	1.25K x 8	2.7V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
W78L812A24DL IC MCU 8BIT 8KB FLASH 40DIP Nuvoton Technology Corporation	2,939	-	RFQ	Datasheet	40-DIP	W78	Tube	Active	Not Verified	8051	8-Bit	24MHz	EBI/EMI, UART/USART	LED, WDT	32	8KB (8K x 8)	FLASH	-	256 x 8	2.4V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Through Hole
W79E201A16PL IC MCU 8BIT 16KB FLASH 44PLCC Nuvoton Technology Corporation	4,381	-	RFQ	Datasheet	44-LCC (J-Lead)	W79	Tube	Obsolete	Not Verified	8051/52	8-Bit	16MHz	EBI/EMI, Serial Port	POR, PWM, WDT	24	16KB (16K x 8)	FLASH	-	256 x 8	4.5V ~ 5.5V	A/D 8x10b	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
W79E532A40DL IC MCU 8BIT 128KB FLASH 40DIP Nuvoton Technology Corporation	4,087	-	RFQ	Datasheet	40-DIP	W79	Tube	Obsolete	Not Verified	8052	8-Bit	40MHz	EBI/EMI, Serial Port	POR, PWM, WDT	32	128KB (128K x 8)	FLASH	-	1.25K x 8	3V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Through Hole
W79E532A40PL IC MCU 8BIT 128KB FLASH 44PLCC Nuvoton Technology Corporation	2,291	-	RFQ	Datasheet	44-LCC (J-Lead)	W79	Tube	Obsolete	Not Verified	8052	8-Bit	40MHz	EBI/EMI, Serial Port	POR, PWM, WDT	36	128KB (128K x 8)	FLASH	-	1.25K x 8	3V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
W79E824ADG IC MCU 8BIT 8KB FLASH 20DIP Nuvoton Technology Corporation	2,198	-	RFQ	Datasheet	20-DIP (0.300", 7.62mm)	W79	Tube	Obsolete	Not Verified	8051	8-Bit	20MHz	I2C, UART/USART	Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT	18	8KB (8K x 8)	FLASH	-	256 x 8	2.7V ~ 5.5V	A/D 4x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
W79E824ASG IC MCU 8BIT 8KB FLASH 20SOIC Nuvoton Technology Corporation	3,117	-	RFQ	Datasheet	20-SOIC (0.295", 7.50mm Width)	W79	Tube	Obsolete	Not Verified	8051	8-Bit	20MHz	I2C, UART/USART	Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT	18	8KB (8K x 8)	FLASH	-	256 x 8	2.7V ~ 5.5V	A/D 4x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
W79E825ADG IC MCU 8BIT 16KB FLASH 20DIP Nuvoton Technology Corporation	3,989	-	RFQ	Datasheet	20-DIP (0.300", 7.62mm)	W79	Tube	Obsolete	Not Verified	8051	8-Bit	20MHz	I2C, UART/USART	Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT	18	16KB (16K x 8)	FLASH	-	256 x 8	2.7V ~ 5.5V	A/D 4x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
W79E825ASG IC MCU 8BIT 16KB FLASH 20SOIC Nuvoton Technology Corporation	1,596	-	RFQ	Datasheet	20-SOIC (0.295", 7.50mm Width)	W79	Tube	Obsolete	Not Verified	8051	8-Bit	20MHz	I2C, UART/USART	Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT	18	16KB (16K x 8)	FLASH	-	256 x 8	2.7V ~ 5.5V	A/D 4x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
W79L532A25DL IC MCU 8BIT 128KB FLASH 40DIP Nuvoton Technology Corporation	3,013	-	RFQ	Datasheet	40-DIP	W79	Tube	Obsolete	Not Verified	8052	8-Bit	25MHz	EBI/EMI, Serial Port	POR, PWM, WDT	32	128KB (128K x 8)	FLASH	-	1.25K x 8	3V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Through Hole
W90N740CDG IC MCU 32BIT ROMLESS 176LQFP Nuvoton Technology Corporation	1,276	-	RFQ	Datasheet	176-LQFP	W90	Tray	Obsolete	Not Verified	ARM7®	32-Bit Single-Core	80MHz	EBI/EMI, Ethernet, UART/USART, USB	DMA, POR, WDT	21	-	ROMless	-	10K x 8	1.62V ~ 3.6V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
W925E240FG IC MCU 8BIT 256KB FLASH 100QFP Nuvoton Technology Corporation	4,342	-	RFQ	Datasheet	100-QFP	W925	Tray	Obsolete	Not Verified	8051	8-Bit	3.6MHz	Serial Port	POR, WDT	40	256KB (256K x 8)	FLASH	-	8K x 8	2.2V ~ 6V	-	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
MC9S12H256VFVE IC MCU 16BIT 256KB FLASH 144LQFP NXP USA Inc.	4,883	-	RFQ	Datasheet	144-LQFP	HCS12	Tray	Obsolete	Not Verified	HCS12	16-Bit	16MHz	CANbus, I2C, SCI, SPI	LCD, POR, PWM, WDT	99	256KB (256K x 8)	FLASH	4K x 8	12K x 8	2.35V ~ 5.25V	A/D 16x10b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
PXAC37KFA/00,512 IC MCU 16BIT 32KB OTP 44PLCC NXP USA Inc.	2,387	-	RFQ	Datasheet	44-LCC (J-Lead)	XA	Tube	Obsolete	Not Verified	XA	16-Bit	32MHz	CANbus, EBI/EMI, SPI, UART/USART	DMA, POR, PWM, WDT	32	32KB (32K x 8)	OTP	-	1K x 8	4.5V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PXAG30KFBD,157 IC MCU 16BIT ROMLESS 44LQFP NXP USA Inc.	4,290	-	RFQ	Datasheet	44-LQFP	XA	Tray	Obsolete	Not Verified	XA	16-Bit	30MHz	UART/USART	PWM, WDT	32	-	ROMless	-	512 x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PXAS30KFA,512 IC MCU 16BIT ROMLESS 68PLCC NXP USA Inc.	1,289	-	RFQ	Datasheet	68-LCC (J-Lead)	XA	Tube	Obsolete	Not Verified	XA	16-Bit	30MHz	EBI/EMI, I2C, UART/USART	PWM, WDT	32	-	ROMless	-	1K x 8	2.7V ~ 5.5V	A/D 8x8b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PXAS37KBBE,557 IC MCU 16BIT 32KB OTP 80LQFP NXP USA Inc.	4,577	-	RFQ	Datasheet	80-LQFP	XA	Tray	Obsolete	Verified	XA	16-Bit	30MHz	EBI/EMI, I2C, UART/USART	PWM, WDT	50	32KB (32K x 8)	OTP	-	1K x 8	2.7V ~ 5.5V	A/D 8x8b	External	0°C ~ 70°C (TA)	-	-	Surface Mount
D12320VF25IV IC MCU 16BIT ROMLESS 128QFP Renesas Electronics Corporation	2,017	-	RFQ	Datasheet	128-BFQFP	H8® H8S/2300	Tray	Last Time Buy	Not Verified	H8S/2000	16-Bit	25MHz	SCI, SmartCard	DMA, POR, PWM, WDT	86	-	ROMless	-	4K x 8	2.7V ~ 3.6V	A/D 8x10b; D/A 2x8b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
D12324SVTE25V IC MCU 16BIT ROMLESS 120TQFP Renesas Electronics Corporation	3,355	-	RFQ	Datasheet	120-TQFP	H8® H8S/2300	Tray	Last Time Buy	Not Verified	H8S/2000	16-Bit	25MHz	SCI, SmartCard	DMA, POR, PWM, WDT	86	-	ROMless	-	32K x 8	2.7V ~ 3.6V	A/D 8x10b; D/A 2x8b	Internal	-20°C ~ 75°C (TA)	-	-	Surface Mount
D12350F20IV IC MCU 16BIT ROMLESS 128QFP Renesas Electronics Corporation	1,726	-	RFQ	Datasheet	128-BFQFP	H8® H8S/2300	Tray	Obsolete	Not Verified	H8S/2000	16-Bit	20MHz	SCI, SmartCard	DMA, POR, PWM, WDT	87	-	ROMless	-	2K x 8	2.7V ~ 5.5V	A/D 8x10b; D/A 2x8b	Internal	-40°C ~ 85°C (TA)	-	-	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.

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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.