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
C8051F531-IM IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	3,384	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	8KB (8K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F531-IT IC MCU 8BIT 8KB FLASH 20TSSOP Silicon Labs	4,048	-	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	8KB (8K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F533-IM IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	1,086	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	4KB (4K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F533-IT IC MCU 8BIT 4KB FLASH 20TSSOP Silicon Labs	4,286	-	RFQ	Datasheet	20-TSSOP (0.173", 4.40mm Width)	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	4KB (4K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F534-IM IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	1,172	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	4KB (4K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F534-IT IC MCU 8BIT 4KB FLASH 20TSSOP Silicon Labs	4,004	-	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	4KB (4K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F536-IM IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	3,504	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	LINbus, 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
C8051F536-IT IC MCU 8BIT 2KB FLASH 20TSSOP Silicon Labs	4,510	-	RFQ	Datasheet	20-TSSOP (0.173", 4.40mm Width)	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	LINbus, 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-IM IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	3,039	-	RFQ	Datasheet	20-VFQFN Exposed Pad	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-IT IC MCU 8BIT 2KB FLASH 20TSSOP Silicon Labs	4,664	-	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
C167CRLMHABXQLA1 IC MCU 16BIT ROMLESS 144MQFP Infineon Technologies	1,202	-	RFQ	Datasheet	144-BQFP	C16xx	Tray	Discontinued at Digi-Key	Not Verified	C166	16-Bit	25MHz	CANbus, EBI/EMI, SPI, UART/USART	POR, PWM, WDT	111	-	ROMless	-	4K x 8	4.5V ~ 5.5V	A/D 16x10b	External	0°C ~ 70°C (TA)	-	-	Surface Mount
C505CA4EMCABXQMA1 IC MCU 8BIT 32KB OTP 44MQFP Infineon Technologies	3,021	-	RFQ	Datasheet	44-QFP	C5xx/C8xx	Tray	Obsolete	Not Verified	C500	8-Bit	20MHz	CANbus, EBI/EMI, UART/USART	POR, PWM, WDT	34	32KB (32K x 8)	OTP	-	1.25K x 8	4.25V ~ 5.5V	A/D 8x10b	External	0°C ~ 70°C (TA)	-	-	Surface Mount
C161CSLFCAFXQMA1 IC MCU 16BIT ROMLESS 128TQFP Infineon Technologies	2,500	-	RFQ	Datasheet	128-LQFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	25MHz	CANbus, EBI/EMI, I2C, SPI, UART/USART	POR, PWM, WDT	93	-	ROMless	-	10K x 8	4.5V ~ 5.5V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161KLM3VHAFXUMA1 IC MCU 16BIT ROMLESS 80MQFP Infineon Technologies	2,439	-	RFQ	Datasheet	80-QFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	20MHz	EBI/EMI, SPI, UART/USART	POR, PWM, WDT	63	-	ROMless	-	1K x 8	3V ~ 3.6V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161KLMHAFXQMA1 IC MCU 16BIT ROMLESS 80MQFP Infineon Technologies	3,692	-	RFQ	Datasheet	80-QFP	C16xx	Tray	Obsolete	Not Verified	C166	16-Bit	20MHz	EBI/EMI, SPI, UART/USART	POR, PWM, WDT	63	-	ROMless	-	1K x 8	4.5V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161OLM3VHAFXUMA1 IC MCU 16BIT ROMLESS 80MQFP Infineon Technologies	2,145	-	RFQ	Datasheet	80-QFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	20MHz	EBI/EMI, SPI, UART/USART	POR, PWM, WDT	63	-	ROMless	-	2K x 8	3V ~ 3.6V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161OLMHAFXQMA1 IC MCU 16BIT ROMLESS 80MQFP Infineon Technologies	2,649	-	RFQ	Datasheet	80-QFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	20MHz	EBI/EMI, SPI, UART/USART	POR, PWM, WDT	63	-	ROMless	-	2K x 8	4.5V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161PIL25MCAFXUMA1 IC MCU 16BIT ROMLESS 100MQFP Infineon Technologies	1,810	-	RFQ	Datasheet	100-BQFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	25MHz	EBI/EMI, I2C, SPI, UART/USART	POR, PWM, WDT	76	-	ROMless	-	3K x 8	4.5V ~ 5.5V	A/D 4x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161PILM3VCAFXUMA1 IC MCU 16BIT ROMLESS 100MQFP Infineon Technologies	4,103	-	RFQ	Datasheet	100-BQFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	20MHz	EBI/EMI, I2C, SPI, UART/USART	POR, PWM, WDT	76	-	ROMless	-	3K x 8	3V ~ 3.6V	A/D 4x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C161PILMCAFXUMA1 IC MCU 16BIT ROMLESS 100MQFP Infineon Technologies	2,085	-	RFQ	Datasheet	100-BQFP	C16xx	Tape & Reel (TR)	Obsolete	Not Verified	C166	16-Bit	20MHz	EBI/EMI, I2C, SPI, UART/USART	POR, PWM, WDT	76	-	ROMless	-	3K x 8	4.5V ~ 5.5V	A/D 4x10b	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.

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.

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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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