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
PIC16HV540T-04/SO IC MCU 8BIT 768B OTP 18SOIC Microchip Technology	3,147	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16C	Tape & Reel (TR)	Discontinued at Digi-Key	Verified	PIC	8-Bit	4MHz	-	Brown-out Detect/Reset, POR, WDT	12	768B (512 x 12)	OTP	-	25 x 8	3.5V ~ 15V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC16LC505-04/P IC MCU 8BIT 1.5KB OTP 14DIP Microchip Technology	1,990	-	RFQ	Datasheet	14-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	12	1.5KB (1K x 12)	OTP	-	72 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LC54AT-04/SS IC MCU 8BIT 768B OTP 20SSOP Microchip Technology	3,511	-	RFQ	Datasheet	20-SSOP (0.209", 5.30mm Width)	PIC® 16C	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	12	768B (512 x 12)	OTP	-	25 x 8	3V ~ 6.25V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC16LC554-04/P IC MCU 8BIT 896B OTP 18DIP Microchip Technology	2,582	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	13	896B (512 x 14)	OTP	-	80 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LC558-04I/P IC MCU 8BIT 3.5KB OTP 18DIP Microchip Technology	1,380	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	13	3.5KB (2K x 14)	OTP	-	128 x 8	2.5V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC16LC558-04/P IC MCU 8BIT 3.5KB OTP 18DIP Microchip Technology	2,155	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	13	3.5KB (2K x 14)	OTP	-	128 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LC57C-04/SP IC MCU 8BIT 3KB OTP 28SPDIP Microchip Technology	1,633	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	20	3KB (2K x 12)	OTP	-	72 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LC58B-04/SO IC MCU 8BIT 3KB OTP 18SOIC Microchip Technology	4,702	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	-	POR, WDT	12	3KB (2K x 12)	OTP	-	73 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC16LC621A-04I/P IC MCU 8BIT 1.75KB OTP 18DIP Microchip Technology	1,610	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	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	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC16LC62BT-04I/SS IC MCU 8BIT 3.5KB OTP 28SSOP Microchip Technology	4,947	-	RFQ	Datasheet	28-SSOP (0.209", 5.30mm Width)	PIC® 16C	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	4MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	22	3.5KB (2K x 14)	OTP	-	128 x 8	2.5V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16LC642-04/SP IC MCU 8BIT 7KB OTP 28SPDIP Microchip Technology	2,904	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Not Verified	PIC	8-Bit	4MHz	-	Brown-out Detect/Reset, LED, POR, WDT	22	7KB (4K x 14)	OTP	-	176 x 8	3V ~ 6V	-	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LC64A-04I/L IC MCU 8BIT 3.5KB OTP 44PLCC Microchip Technology	2,681	-	RFQ	Datasheet	44-LCC (J-Lead)	PIC® 16C	Tube	Active	Not Verified	PIC	8-Bit	4MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	33	3.5KB (2K x 14)	OTP	-	128 x 8	2.5V ~ 6V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16LC74B-04/P IC MCU 8BIT 7KB OTP 40DIP Microchip Technology	3,693	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	4MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	7KB (4K x 14)	OTP	-	192 x 8	2.5V ~ 5.5V	A/D 5x8b	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LC923-04I/PT IC MCU 8BIT 7KB OTP 64TQFP Microchip Technology	1,422	-	RFQ	Datasheet	64-TQFP	PIC® 16C	Tray	Active	Not Verified	PIC	8-Bit	4MHz	I2C, SPI	LCD, POR, PWM, WDT	25	7KB (4K x 14)	OTP	-	176 x 8	2.5V ~ 6V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16LCE625-04/P IC MCU 8BIT 3.5KB OTP 18DIP Microchip Technology	3,033	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Not Verified	PIC	8-Bit	4MHz	-	Brown-out Detect/Reset, POR, WDT	13	3.5KB (2K x 14)	OTP	128 x 8	128 x 8	2.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Through Hole
PIC16LF83-04/SO IC MCU 8BIT 896B FLASH 18SOIC Microchip Technology	1,898	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16F	Tube	Active	Not Verified	PIC	8-Bit	4MHz	-	POR, WDT	13	896B (512 x 14)	FLASH	64 x 8	36 x 8	2V ~ 6V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC16LF84T-04I/SO IC MCU 8BIT 1.75KB FLASH 18SOIC Microchip Technology	3,394	-	RFQ	Datasheet	18-SOIC (0.295", 7.50mm Width)	PIC® 16F	Tape & Reel (TR)	Active	Not Verified	PIC	8-Bit	4MHz	-	POR, WDT	13	1.75KB (1K x 14)	FLASH	64 x 8	68 x 8	2V ~ 6V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16LV54A-02I/P IC MCU 8BIT 768B OTP 18DIP Microchip Technology	2,274	-	RFQ	Datasheet	18-DIP (0.300", 7.62mm)	PIC® 16C	Tube	Active	Not Verified	PIC	8-Bit	2MHz	-	POR, WDT	12	768B (512 x 12)	OTP	-	25 x 8	2V ~ 3.8V	-	External	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC16LV54A-02/SS IC MCU 8BIT 768B OTP 20SSOP Microchip Technology	4,188	-	RFQ	Datasheet	20-SSOP (0.209", 5.30mm Width)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	2MHz	-	POR, WDT	12	768B (512 x 12)	OTP	-	25 x 8	2V ~ 3.8V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
PIC17C42A-16I/P IC MCU 8BIT 4KB OTP 40DIP Microchip Technology	1,119	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	PIC® 17C	Tube	Active	Verified	PIC	8-Bit	16MHz	UART/USART	POR, PWM, WDT	33	4KB (2K x 16)	OTP	-	232 x 8	4.5V ~ 6V	-	External	-40°C ~ 85°C (TA)	-	-	Through Hole

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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.

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.