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Silicon Labs 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM) C8051F331-GMR Silicon Labs 1: 7,76 € 1.500Expected 10/9/2026 End of Life	Mfr. Part No. C8051F331-GMR Mouser Part No 634-C8051F331-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)	Datasheet	1.500Expected 10/9/2026	Cut Tape 7,76 € 6,01 € 5,57 € 5,33 € Reel 5,33 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500	8051	8 kB	768 B	QFN-20	25 MHz	No ADC	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F331		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: 11,73 € 370Expected 4/30/2027 End of Life	Mfr. Part No. C8051F508-IM Mouser Part No 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 4/30/2027	11,73 € 9,19 € 8,56 € 7,86 € View 7,78 € 7,53 €	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-40	50 MHz	12 bit	33 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F508	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU C8051F531-C-IT Silicon Labs 1: 6,24 € 1.551Expected 1/1/2027 End of Life	Mfr. Part No. C8051F531-C-IT Mouser Part No 634-C8051F531-C-IT End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU	Datasheet	1.551Expected 1/1/2027	6,24 € 4,96 € 4,49 €	Min.: 1 Mult.: 1	8051	8 kB	256 B	TSSOP-20	25 MHz	12 bit	16 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F531	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F580-IM Silicon Labs 1: 13,82 € 810Expected 1/29/2027 End of Life	Mfr. Part No. C8051F580-IM Mouser Part No 634-C8051F580-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	810Expected 1/29/2027	13,82 € 12,17 € 10,72 € 9,49 €	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	QFN-48	24 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F580	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-CSP16 Silicon Labs 1: 1,63 € 3.800On Order	Mfr. Part No. EFM8SB10F8G-A-CSP16 Mouser Part No 634-8SB10F8G-A-CSP16	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	3.800On Order On Order Ship Dates Mfr. No: EFM8SB10F8G-A-CSP16 Stock: 0 On Order: 1.400 Expected 10/16/2026 2.400 Expected 2/5/2027 Factory Lead Time: 20 Weeks	1,63 € 1,27 € 1,14 € 1,01 € View 0,972 € 0,912 € 0,903 € 0,869 € 0,86 €	Min.: 1 Mult.: 1	CIP-51 8051	8 kB	512 B	CSP-16	25 MHz	12 bit	13 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN28 Silicon Labs 1: 2,33 € 526Expected 1/8/2027	Mfr. Part No. EFM8UB10F16G-C-QFN28 Mouser Part No 634-8UB10F16GCQFN28	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	526Expected 1/8/2027	2,33 € 1,96 € 1,67 € 1,58 € 1,45 €	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.25 kB	QFN-28	50 MHz	12 bit	22 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-TSSOP20 Silicon Labs 1: 1,14 € 197Expected 12/18/2026	Mfr. Part No. EFM8BB52F32G-C-TSSOP20 Mouser Part No 634-EFM852F32GCTOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	197Expected 12/18/2026	1,14 € 0,869 € 0,775 € 0,653 € View 0,636 € 0,609 € 0,59 € 0,563 € 0,55 €	Min.: 1 Mult.: 1		16 kB	1.28 kB	TSSOP-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-QFN20 Silicon Labs 1: 0,946 € 2.519Expected 12/11/2026	Mfr. Part No. EFM8BB10F8G-A-QFN20 Mouser Part No 634-8BB10F8GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2.519Expected 12/11/2026	0,946 € 0,747 € 0,677 € 0,617 € View 0,599 € 0,531 € 0,521 €	Min.: 1 Mult.: 1	CIP-51 8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8BB1		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8I-A-SOIC16R Silicon Labs 2.500: 0,577 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F8I-A-SOIC16R Mouser Part No 634-8BB10F8IASOIC16R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 0,577 € 0,57 €	Min.: 2.500 Mult.: 2.500 : 2.500	CIP-51 8051	8 kB	512 B	SOIC-16	25 MHz	12 bit	13 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1		Reel
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F4G-A-QFN20R Silicon Labs 1.500: 0,679 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8SB10F4G-A-QFN20R Mouser Part No 634-8SB10F4GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 0,679 € 0,673 €	Min.: 1.500 Mult.: 1.500 : 1.500	CIP-51 8051	4 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN20 Silicon Labs 1: 1,38 € Lead-Time 12 Weeks	Mfr. Part No. EFM8SB10F8G-A-QFN20 Mouser Part No 634-8SB10F8GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	Lead-Time 12 Weeks	1,38 € 1,18 € 1,03 € 0,929 € View 0,869 € 0,755 € 0,702 € 0,686 €	Min.: 1 Mult.: 1	CIP-51 8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F342-GM Silicon Labs 1.533: 13,05 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F342-GM Mouser Part No 634-C8051F342-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silicon c8051f34x full speed flash mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	13,05 € View Quote	Min.: 1.533 Mult.: 1.533	8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F342		Tube
8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,USB,32Pin C8051F342-GMR Silicon Labs 1.500: 13,53 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F342-GMR Mouser Part No 634-C8051F342-GMR	Silicon Labs	8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,USB,32Pin Learn More about Silicon Labs silicon c8051f34x full speed flash mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 13,53 €	Min.: 1.500 Mult.: 1.500 : 1.500	8051							2.7 V	5.25 V		8 bit			C8051F342		Reel
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F346-GM Silicon Labs 1.533: 12,88 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F346-GM Mouser Part No 634-C8051F346-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silicon c8051f34x full speed flash mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	12,88 € Quote Quote	Min.: 1.533 Mult.: 1.533	8051	64 kB	4.25 kB	QFN-32	25 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F346		Tube
8-bit Microcontrollers - MCU Next gen available (F381-GM) 25 MIPS,64KB,10ADC,USB,32Pin C8051F346-GMR Silicon Labs 1.500: 12,87 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F346-GMR Mouser Part No 634-C8051F346-GMR	Silicon Labs	8-bit Microcontrollers - MCU Next gen available (F381-GM) 25 MIPS,64KB,10ADC,USB,32Pin Learn More about Silicon Labs silicon c8051f34x full speed flash mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 12,87 €	Min.: 1.500 Mult.: 1.500 : 1.500														C8051F346		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F34A-GM Silicon Labs 1.533: 13,83 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F34A-GM Mouser Part No 634-C8051F34A-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silicon c8051f34x full speed flash mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	13,83 € Quote Quote	Min.: 1.533 Mult.: 1.533	8051	64 kB	4.25 kB	LQFP-32	25 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F34A		Tube
8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,2xUART, USB,32Pin C8051F34A-GMR Silicon Labs 1.500: 13,81 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F34A-GMR Mouser Part No 634-C8051F34A-GMR	Silicon Labs	8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,2xUART, USB,32Pin Learn More about Silicon Labs silicon c8051f34x full speed flash mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 13,81 €	Min.: 1.500 Mult.: 1.500 : 1.500	8051							2.7 V	5.25 V		8 bit			C8051F34A		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU C8051F353-GMR Silicon Labs 1: 10,11 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F353-GMR Mouser Part No 634-C8051F353-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 10,11 € 7,90 € 7,28 € 6,73 € View Reel 5,82 € 6,40 € 6,27 € 6,04 € 5,82 €	Min.: 1 Mult.: 1 : 1.500	8051	8 kB	768 B	QFN-28	50 MHz	16 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F353		Reel, Cut Tape
8-bit Microcontrollers - MCU USB-Flash-32k-ADC-QFN32 OTP available (T627-GM) C8051F383-GMR Silicon Labs 1.500: 3,02 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F383-GMR Mouser Part No 634-C8051F383-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-32k-ADC-QFN32 OTP available (T627-GM)	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 3,02 €	Min.: 1.500 Mult.: 1.500 : 1.500	8051	32 kB	2.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F383		Reel
8-bit Microcontrollers - MCU USB-Flash-64k-QFN32 OTP available (T626-GM) C8051F385-GMR Silicon Labs 1.500: 3,41 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F385-GMR Mouser Part No 634-C8051F385-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-64k-QFN32 OTP available (T626-GM)	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 3,41 €	Min.: 1.500 Mult.: 1.500 : 1.500	8051	64 kB	4.35 kB	QFN-32	48 MHz		25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F385		Reel
8-bit Microcontrollers - MCU USB-Flash-32k-QFN32 OTP available (T627-GM) C8051F387-GMR Silicon Labs 1.500: 2,88 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F387-GMR Mouser Part No 634-C8051F387-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-32k-QFN32 OTP available (T627-GM)	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 2,88 €	Min.: 1.500 Mult.: 1.500 : 1.500	8051	32 kB	2.3 kB	QFN-32	48 MHz		25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F387		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F38C-GM Silicon Labs 1: 4,23 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F38C-GM Mouser Part No 634-C8051F38C-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	4,23 € 3,34 € 2,97 € 2,74 € View 2,67 € 2,56 € 2,49 € 2,45 € 2,44 €	Min.: 1 Mult.: 1	8051	16 kB	2.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F38C		Tube
8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN32 C8051F38C-GMR Silicon Labs 1: 4,14 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F38C-GMR Mouser Part No 634-C8051F38C-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN32	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 4,14 € 3,12 € 2,86 € 2,59 € View Reel 2,38 € 2,46 € 2,44 € 2,42 € 2,38 €	Min.: 1 Mult.: 1 : 1.500														C8051F38C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU C8051F391-A-GM Silicon Labs 1.911: 1,94 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F391-A-GM Mouser Part No 634-C8051F391-A-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	Non-Stocked Lead-Time 12 Weeks	1,94 €	Min.: 1.911 Mult.: 1.911	8051	16 kB	1 kB	QFN-24	50 MHz			1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F391		Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24 C8051F391-A-GMR Silicon Labs 1.500: 1,94 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F391-A-GMR Mouser Part No 634-C8051F391-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel 1,94 €	Min.: 1.500 Mult.: 1.500 : 1.500														C8051F391		Reel