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
PIC16F819-I/P IC MCU 8BIT 3.5KB FLASH 18DIP Microchip Technology	16,416	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16F	Tube	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	16	3.5KB (2K x 14)	FLASH	256 x 8	256 x 8	4V ~ 5.5V	A/D 5x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC16F1947-I/PT IC MCU 8BIT 28KB FLASH 64TQFP Microchip Technology	2,493	-	RFQ	Datasheet	64-TQFP	PIC® XLP™ 16F	Tray	Active	Verified	PIC	8-Bit	32MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, LCD, POR, PWM, WDT	54	28KB (16K x 14)	FLASH	256 x 8	1K x 8	1.8V ~ 5.5V	A/D 17x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16LF628-04/SO IC MCU 8BIT 3.5KB FLASH 18SOIC Microchip Technology	684	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16F	Tube	Active	Verified	PIC	8-Bit	4MHz	UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	3.5KB (2K x 14)	FLASH	128 x 8	224 x 8	2V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
ATMEGA8515-16AU IC MCU 8BIT 8KB FLASH 44TQFP Microchip Technology	24,149	-	RFQ	Datasheet	44-TQFP	AVR® ATmega	Tray	Active	Verified	AVR	8-Bit	16MHz	EBI/EMI, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	35	8KB (4K x 16)	FLASH	512 x 8	512 x 8	4.5V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L052K8T6 IC MCU 32BIT 64KB FLASH 32LQFP STMicroelectronics	4,477	-	RFQ	Datasheet	32-LQFP	STM32L0	Tray	Active	Not Verified	ARM® Cortex®-M0+	32-Bit Single-Core	32MHz	I2C, IrDA, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	27	64KB (64K x 8)	FLASH	2K x 8	8K x 8	1.65V ~ 3.6V	A/D 10x12b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATSAMC21G17A-AUT IC MCU 32BIT 128KB FLASH 48TQFP Microchip Technology	4,567	-	RFQ	Datasheet	48-TQFP	SAM C21, Functional Safety (FuSa)	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M0+	32-Bit Single-Core	48MHz	CANbus, I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, WDT	38	128KB (128K x 8)	FLASH	-	16K x 8	2.7V ~ 5.5V	A/D 14x12b, 2x16b; D/A 1x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F051K6U6 IC MCU 32BIT 32KB FLASH 32UFQFPN STMicroelectronics	3,164	-	RFQ	Datasheet	32-UFQFN Exposed Pad	STM32F0	Tray	Active	Not Verified	ARM® Cortex®-M0	32-Bit Single-Core	48MHz	HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART	DMA, I2S, POR, PWM, WDT	27	32KB (32K x 8)	FLASH	-	8K x 8	2V ~ 3.6V	A/D 13x12b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F1947T-I/PT IC MCU 8BIT 28KB FLASH 64TQFP Microchip Technology	21,513	-	RFQ	Datasheet	64-TQFP	PIC® XLP™ 16F	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	32MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, LCD, POR, PWM, WDT	54	28KB (16K x 14)	FLASH	256 x 8	1K x 8	1.8V ~ 5.5V	A/D 17x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L431CBT6 IC MCU 32BIT 128KB FLASH 48LQFP STMicroelectronics	20,253	-	RFQ	Datasheet	48-LQFP	STM32L4	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART	Brown-out Detect/Reset, DMA, PWM, WDT	39	128KB (128K x 8)	FLASH	-	64K x 8	1.71V ~ 3.6V	A/D 10x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18F46K20T-I/PT IC MCU 8BIT 64KB FLASH 44TQFP Microchip Technology	10,602	-	RFQ	Datasheet	44-TQFP	PIC® XLP™ 18K	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	64MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	35	64KB (32K x 16)	FLASH	1K x 8	3.8K x 8	1.8V ~ 3.6V	A/D 14x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATXMEGA8E5-MUR IC MCU 8/16BIT 8KB FLASH 32QFN Microchip Technology	6,545	-	RFQ	Datasheet	32-VFQFN Exposed Pad	AVR® XMEGA® E5	Tape & Reel (TR)	Active	Not Verified	AVR	8/16-Bit	32MHz	I2C, IrDA, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	26	8KB (4K x 16)	FLASH	512 x 8	1K x 8	1.6V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89S51-24PU IC MCU 8BIT 4KB FLASH 40DIP Microchip Technology	1,484	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	89S	Tube	Active	Not Verified	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC18F25K50T-I/ML IC MCU 8BIT 32KB FLASH 28QFN Microchip Technology	1,977	-	RFQ	Datasheet	28-VQFN Exposed Pad	PIC® XLP™ 18K	Tape & Reel (TR)	Active	Not Verified	PIC	8-Bit	48MHz	I2C, SPI, UART/USART, USB	Brown-out Detect/Reset, POR, PWM, WDT	22	32KB (16K x 16)	FLASH	256 x 8	2K x 8	2.3V ~ 5.5V	A/D 14x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA16U2-AUR IC MCU 8BIT 16KB FLASH 32TQFP Microchip Technology	9,591	-	RFQ	Datasheet	32-TQFP	AVR® ATmega	Tape & Reel (TR)	Active	Verified	AVR	8-Bit	16MHz	SPI, UART/USART, USB	Brown-out Detect/Reset, POR, PWM, WDT	22	16KB (8K x 16)	FLASH	512 x 8	512 x 8	2.7V ~ 5.5V	-	Internal	-40°C ~ 85°C	-	-	Surface Mount
ATMEGA8L-8PU IC MCU 8BIT 8KB FLASH 28DIP Microchip Technology	1,077	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	AVR® ATmega	Tube	Active	Not Verified	AVR	8-Bit	8MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	8KB (4K x 16)	FLASH	512 x 8	1K x 8	2.7V ~ 5.5V	A/D 6x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
ATMEGA8-16PU IC MCU 8BIT 8KB FLASH 28DIP Microchip Technology	667	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	AVR® ATmega	Tube	Active	Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	8KB (4K x 16)	FLASH	512 x 8	1K x 8	4.5V ~ 5.5V	A/D 6x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC18F45K22-I/MV IC MCU 8BIT 32KB FLASH 40UQFN Microchip Technology	8,130	-	RFQ	Datasheet	40-UFQFN Exposed Pad	PIC® XLP™ 18K	Tube	Active	Verified	PIC	8-Bit	64MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	35	32KB (16K x 16)	FLASH	256 x 8	1.5K x 8	2.3V ~ 5.5V	A/D 30x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F819T-I/SO IC MCU 8BIT 3.5KB FLASH 18SOIC Microchip Technology	5,188	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16F	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	16	3.5KB (2K x 14)	FLASH	256 x 8	256 x 8	4V ~ 5.5V	A/D 5x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18F25K22-I/SP IC MCU 8BIT 32KB FLASH 28SPDIP Microchip Technology	1,800	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	PIC® XLP™ 18K	Tube	Active	Not Verified	PIC	8-Bit	64MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	24	32KB (16K x 16)	FLASH	256 x 8	1.5K x 8	2.3V ~ 5.5V	A/D 19x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
ATMEGA88V-10AU IC MCU 8BIT 8KB FLASH 32TQFP Microchip Technology	8,052	-	RFQ	Datasheet	32-TQFP	AVR® ATmega	Tray	Active	Not Verified	AVR	8-Bit	10MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	23	8KB (4K x 16)	FLASH	512 x 8	1K x 8	1.8V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount

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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.

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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.

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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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