Microcontrollers

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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
ATMEGA128A-AUR IC MCU 8BIT 128KB FLASH 64TQFP Microchip Technology	3,148	-	RFQ	Datasheet	64-TQFP	AVR® ATmega	Tape & Reel (TR)	Active	Verified	AVR	8-Bit	16MHz	EBI/EMI, I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	53	128KB (64K x 16)	FLASH	4K x 8	4K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F412REY6TR IC MCU 32BIT 512KB FLASH 64WLCSP STMicroelectronics	27,032	-	RFQ	Datasheet	64-UFBGA, WLCSP	STM32F4	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	100MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	50	512KB (512K x 8)	FLASH	-	256K x 8	1.7V ~ 3.6V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC32MX170F512LT-I/PT IC MCU 32BIT 512KB FLASH 100TQFP Microchip Technology	2,390	-	RFQ	Datasheet	100-TQFP	PIC® 32MX	Tape & Reel (TR)	Active	Not Verified	MIPS32® M4K™	32-Bit Single-Core	40MHz	I2C, IrDA, LINbus, PMP, SPI, UART/USART	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	85	512KB (512K x 8)	FLASH	-	64K x 8	2.3V ~ 3.6V	A/D 48x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA1284P-PU IC MCU 8BIT 128KB FLASH 40DIP Microchip Technology	9,293	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	AVR® ATmega	Tube	Active	Not Verified	AVR	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	128KB (64K x 16)	FLASH	4K x 8	16K x 8	1.8V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC16F877-04/P IC MCU 8BIT 14KB FLASH 40DIP Microchip Technology	489	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	PIC® 16F	Tube	Active	Verified	PIC	8-Bit	4MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	14KB (8K x 14)	FLASH	256 x 8	368 x 8	4V ~ 5.5V	A/D 8x10b	External	0°C ~ 70°C (TA)	-	-	Through Hole
STM32F303CCT6 IC MCU 32BIT 256KB FLASH 48LQFP STMicroelectronics	273	-	RFQ	Datasheet	48-LQFP	STM32F3	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	72MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, I2S, POR, PWM, WDT	37	256KB (256K x 8)	FLASH	-	40K x 8	2V ~ 3.6V	A/D 15x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18F4523-I/P IC MCU 8BIT 32KB FLASH 40DIP Microchip Technology	2,318	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	PIC® 18F	Tube	Active	Verified	PIC	8-Bit	40MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	36	32KB (16K x 16)	FLASH	256 x 8	1.5K x 8	4.2V ~ 5.5V	A/D 13x12b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
MSP430F5418AIPN IC MCU 16BIT 128KB FLASH 80LQFP Texas Instruments	1,366	-	RFQ	Datasheet	80-LQFP	MSP430F5xx	Tray	Active	Verified	MSP430 CPUXV2	16-Bit	25MHz	I2C, IrDA, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	67	128KB (128K x 8)	FLASH	-	16K x 8	1.8V ~ 3.6V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC24FJ128GB110-I/PT IC MCU 16BIT 128KB FLASH 100TQFP Microchip Technology	445	-	RFQ	Datasheet	100-TQFP	PIC® 24F	Tray	Active	Not Verified	PIC	16-Bit	32MHz	I2C, SPI, UART/USART, USB OTG	Brown-out Detect/Reset, LVD, POR, PWM, WDT	83	128KB (43K x 24)	FLASH	-	16K x 8	2V ~ 3.6V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F877A-I/PT IC MCU 8BIT 14KB FLASH 44TQFP Microchip Technology	6,117	-	RFQ	Datasheet	44-TQFP	PIC® 16F	Tray	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	14KB (8K x 14)	FLASH	256 x 8	368 x 8	4V ~ 5.5V	A/D 8x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18F252-I/SP IC MCU 8BIT 32KB FLASH 28SPDIP Microchip Technology	2,026	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	PIC® 18F	Tube	Active	Verified	PIC	8-Bit	40MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, LVD, POR, PWM, WDT	23	32KB (16K x 16)	FLASH	256 x 8	1.5K x 8	4.2V ~ 5.5V	A/D 5x10b	External	-40°C ~ 85°C (TA)	-	-	Through Hole
MSP430F4250IDLR IC MCU 16BIT 16KB FLASH 48SSOP Texas Instruments	1,278	-	RFQ	Datasheet	48-BSSOP (0.295", 7.50mm Width)	MSP430x4xx	Tape & Reel (TR)	Active	Not Verified	MSP430 CPU16	16-Bit	8MHz	-	Brown-out Detect/Reset, LCD, POR, PWM, WDT	32	16KB (16K x 8 + 256B)	FLASH	-	256 x 8	1.8V ~ 3.6V	A/D 1x16b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18LF252-I/SO IC MCU 8BIT 32KB FLASH 28SOIC Microchip Technology	412	-	RFQ	Datasheet	28-SOIC (0.295", 7.50mm Width)	PIC® 18F	Tube	Active	Not Verified	PIC	8-Bit	40MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, LVD, POR, PWM, WDT	23	32KB (16K x 16)	FLASH	256 x 8	1.5K x 8	2V ~ 5.5V	A/D 5x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32G491REI6 IC MCU 32BIT 512KB FLASH 64UFBGA STMicroelectronics	3,430	-	RFQ	Datasheet	64-UFBGA	STM32G4	Tray	Active	Not Verified	ARM® Cortex®-M4F	32-Bit Single-Core	170MHz	CANbus, I2C, IrDA, IRTIM, LINbus, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	52	512KB (512K x 8)	FLASH	-	112K x 8	1.71V ~ 3.6V	A/D 24x12b; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32G491RET6 IC MCU 32BIT 512KB FLASH 64LQFP STMicroelectronics	1,388	-	RFQ	Datasheet	64-LQFP	STM32G4	Tray	Active	Not Verified	ARM® Cortex®-M4F	32-Bit Single-Core	170MHz	CANbus, I2C, IrDA, IRTIM, LINbus, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	52	512KB (512K x 8)	FLASH	-	112K x 8	1.71V ~ 3.6V	A/D 24x12b; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51RB2-SLSUM IC MCU 8BIT 16KB FLASH 44PLCC Microchip Technology	620	-	RFQ	Datasheet	44-LCC (J-Lead)	89C	Tube	Active	Not Verified	80C51	8-Bit	60MHz	SPI, UART/USART	POR, PWM, WDT	32	16KB (16K x 8)	FLASH	-	1.25K x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT91SAM7S64C-AU IC MCU 16/32BIT 64KB FLSH 64LQFP Microchip Technology	2,920	-	RFQ	Datasheet	64-LQFP	SAM7S	Tray	Active	Verified	ARM7®	16/32-Bit	55MHz	I2C, SPI, SSC, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	32	64KB (64K x 8)	FLASH	-	16K x 8	1.65V ~ 1.95V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F77-I/L IC MCU 8BIT 14KB FLASH 44PLCC Microchip Technology	933	-	RFQ	Datasheet	44-LCC (J-Lead)	PIC® 16F	Tube	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	14KB (8K x 14)	FLASH	-	368 x 8	4V ~ 5.5V	A/D 8x8b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
TMS320F28027PTS IC MCU 32BIT 64KB FLASH 48LQFP Texas Instruments	2,267	-	RFQ	Datasheet	48-LQFP	C2000™ C28x Piccolo™	Tray	Active	Not Verified	C28x	32-Bit Single-Core	60MHz	I2C, SCI, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	22	64KB (32K x 16)	FLASH	-	6K x 16	1.71V ~ 1.995V	A/D 13x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC24HJ256GP206A-I/PT IC MCU 16BIT 256KB FLASH 64TQFP Microchip Technology	2,202	-	RFQ	Datasheet	64-TQFP	PIC® 24H	Tray	Active	Not Verified	PIC	16-Bit	40 MIPs	I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	53	256KB (85.5K x 24)	FLASH	-	16K x 8	3V ~ 3.6V	A/D 18x10b/12b	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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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.