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
EFM8LB12F64E-A-QFP32R IC MCU 8BIT 64KB FLASH 32QFP Silicon Labs	1,395	-	RFQ	Datasheet	32-TQFP	Laser Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 20x14b; D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
EFM8BB31F64G-B-QFN24 IC MCU 8BIT 64KB FLASH 24QFN Silicon Labs	1,303	-	RFQ	Datasheet	24-VFQFN Exposed Pad	Busy Bee	Tube	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F64G-B-QSOP24 IC MCU 8BIT 64KB FLASH 24QSOP Silicon Labs	1,331	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Busy Bee	Tube	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 13x10/12b SAR; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F16G-B-QFN32R IC MCU 8BIT 16KB FLASH 32QFN Silicon Labs	1,746	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F16G-B-QFP32R IC MCU 8BIT 16KB FLASH 32QFP Silicon Labs	3,740	-	RFQ	Datasheet	32-TQFP	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F32G-B-QFN24R IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	4,460	-	RFQ	Datasheet	24-VFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F32G-B-QSOP24R IC MCU 8BIT 32KB FLASH 24QSOP Silicon Labs	2,082	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 13x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F64G-B-QFP32R IC MCU 8BIT 64KB FLASH 32QFP Silicon Labs	4,028	-	RFQ	Datasheet	32-TQFP	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F32G-A-QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	4,896	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F64G-A-QFN24R IC MCU 8BIT 64KB FLASH 24QFN Silicon Labs	3,398	-	RFQ	Datasheet	24-VFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F64G-A-QFN32R IC MCU 8BIT 64KB FLASH 32QFN Silicon Labs	1,301	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
P5CD080AC/T0B20710 IC SMART CARD CTLR INLAY C NXP USA Inc.	3,311	-	RFQ	Datasheet	-	SmartMX	Bulk	Obsolete	Not Verified	Secure MX51	32-Bit Single-Core	30MHz	ISO 7816, ISO 14443, UART	-	-	200KB (200K x 8)	ROM	80K x 8	6K x 8	1.62V ~ 5.5V	-	-	-25°C ~ 85°C	-	-	-
P60D080PU12/9A20AV IC SMART CARD CTLR UNCASED NXP USA Inc.	3,655	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D080PU12/9A210V IC SMART CARD CTLR UNCASED NXP USA Inc.	3,340	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D080PU15/9A200V IC SMART CARD CTLR UNCASED NXP USA Inc.	4,737	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D080PU15/9C990V IC SMART CARD CTLR UNCASED NXP USA Inc.	4,665	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D144MU15/9A1514 IC SMART CARD CTLR UNCASED NXP USA Inc.	4,113	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D144PAA/9A2410M IC SMART CARD CTLR INLAY A NXP USA Inc.	1,571	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D144PAA/9A2421M IC SMART CARD CTLR INLAY A NXP USA Inc.	2,517	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P60D144PAC/9A2410M IC SMART CARD CTLR INLAY C NXP USA Inc.	2,873	-	RFQ	Datasheet	-	*	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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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.