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CIP-51 8051 Core 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 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-5QFN32 Silicon Labs 1: 2,73 € 1.354In Stock End of Life	Mfr. Part No. EFM8BB31F64I-D-5QFN32 Mouser Part No 634-EF8BB31F64ID5F32 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1.354In Stock	2,73 € 2,04 € 1,87 € 1,67 € View 1,58 € 1,55 € 1,46 € 1,41 € 1,38 €	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8A-A-QFN20R Silicon Labs 1: 2,80 € 1.221In Stock End of Life	Mfr. Part No. EFM8SB10F8A-A-QFN20R Mouser Part No 634-M8SB10F8AAQFN20R End of Life	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	1.221In Stock	Cut Tape 2,80 € 2,09 € 1,91 € 1,71 € View Reel 1,34 € 1,62 € 1,58 € 1,48 € 1,34 €	Min.: 1 Mult.: 1 : 1.500	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	EFM8SB	AEC-Q100	Reel, Cut Tape
8-bit Microcontrollers - MCU EFM8LB12F64ES1-C-QFN24 Silicon Labs 1: 2,82 € 1.274In Stock	Mfr. Part No. EFM8LB12F64ES1-C-QFN24 Mouser Part No 634-LB12F64ES1CQFN24	Silicon Labs	8-bit Microcontrollers - MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	1.274In Stock	2,82 € 2,32 € 2,03 € 1,88 € View 1,78 € 1,73 € 1,66 € 1,48 €	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.25 kB	QFN-24	72 MHz	10 bit/12 bit/14 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1		Tube
8-bit Microcontrollers - MCU EFM8LB12F64ES1-C-QFN24R Silicon Labs 1: 3,00 € 5.732In Stock	Mfr. Part No. EFM8LB12F64ES1-C-QFN24R Mouser Part No 634-LB12F64ES1CFN24R	Silicon Labs	8-bit Microcontrollers - MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	5.732In Stock	Cut Tape 3,00 € 2,29 € 2,09 € 1,87 € View Reel 1,48 € 1,77 € 1,73 € 1,68 € 1,48 €	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	64 kB	4.25 kB	QFN-24	72 MHz	10 bit/12 bit/14 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB11F16E-C-QFN24 Silicon Labs 1: 2,08 € 2.259In Stock	Mfr. Part No. EFM8LB11F16E-C-QFN24 Mouser Part No 634-LB11F16ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	2.259In Stock	2,08 € 1,54 € 1,40 € 1,26 € View 1,19 € 1,15 € 1,12 € 1,07 € 1,04 €	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	1.25 kB	QFN-24	72 MHz	10 bit/12 bit/14 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFP32R Silicon Labs 1: 2,26 € 477In Stock	Mfr. Part No. EFM8BB31F32G-D-QFP32R Mouser Part No 634-EF8BB31F32GDP32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	477In Stock	Cut Tape 2,26 € 1,68 € 1,53 € 1,37 € Reel 1,25 € View 1,29 € 1,20 € 1,19 € 1,14 €	Min.: 1 Mult.: 1 : 500	CIP-51 8051	32 kB	2.3 kB	QFP-32	50 MHz	10 bit, 12 bit	28 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN32 Silicon Labs 1: 1,98 € 457In Stock	Mfr. Part No. EFM8BB31F32G-D-QFN32 Mouser Part No 634-EF8BB31F32GDQN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	457In Stock	1,98 € 1,46 € 1,33 € 1,19 € View 1,13 € 1,08 € 1,05 € 1,02 € 0,989 €	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.3 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB20F32G-B-QFN32 Silicon Labs 1: 2,80 € 587In Stock NRND	Mfr. Part No. EFM8UB20F32G-B-QFN32 Mouser Part No 634-EFM8UBF32GBQFN32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	587In Stock	2,80 € 2,21 € 1,97 € 1,81 € View 1,71 € 1,68 € 1,65 € 1,57 € 1,56 €	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 kB	QFN-32	48 MHz	10 bit	25 I/O	3.3 V	3.3 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB2		Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB11F32E-C-QFN24 Silicon Labs 1: 2,40 € 723In Stock	Mfr. Part No. EFM8LB11F32E-C-QFN24 Mouser Part No 634-LB11F32ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	723In Stock	2,40 € 1,78 € 1,63 € 1,46 € View 1,38 € 1,35 € 1,30 € 1,15 €	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 kB	QFN-24	72 MHz	10 bit/12 bit/14 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1		Tube
8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM) C8051F321-GM Silicon Labs 1: 12,90 € 1.533In Stock NRND	Mfr. Part No. C8051F321-GM Mouser Part No 634-C8051F321-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)	Datasheet	1.533In Stock	12,90 € 10,37 € 9,37 € 8,78 € View 8,74 € 8,23 € 8,01 € Quote	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QFN-28	25 MHz	10 bit	21 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F321		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-QFN20R Silicon Labs 1: 0,791 € 54.906In Stock 10.500On Order	Mfr. Part No. EFM8BB10F8G-A-QFN20R Mouser Part No 634-8BB10F8GAQF20R	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	54.906In Stock 10.500On Order On Order Ship Dates Mfr. No: EFM8BB10F8G-A-QFN20R Stock: 54.906 Can Dispatch Immediately On Order: 1.500 Pending 9.000 Expected 11/13/2026 Factory Lead Time: 12 Weeks	Cut Tape 0,791 € 0,67 € 0,55 € 0,514 € 0,481 € Reel 0,481 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	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		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB10F16E-C-QFP32 Silicon Labs 1: 2,30 € 1.249In Stock NRND	Mfr. Part No. EFM8LB10F16E-C-QFP32 Mouser Part No 634-LB10F16ECQFP32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	1.249In Stock	2,30 € 1,70 € 1,56 € 1,39 € 1,36 €	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	1.25 kB	QFP-32	72 MHz	10 bit/12 bit/14 bit	28 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2G-A-QFN20R Silicon Labs 1: 0,74 € 15.521In Stock	Mfr. Part No. EFM8BB10F2G-A-QFN20R Mouser Part No 634-8BB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	15.521In Stock	Cut Tape 0,74 € 0,569 € 0,508 € 0,464 € Reel 0,383 € View 0,448 € 0,413 € 0,391 € 0,378 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	2 kB	256 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		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20 Silicon Labs 1: 1,14 € 7.303In Stock	Mfr. Part No. EFM8SB10F2G-A-QFN20 Mouser Part No 634-8SB10F2GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	7.303In Stock	1,14 € 0,886 € 0,789 € 0,702 € View 0,679 € 0,643 € 0,629 € 0,607 € 0,578 €	Min.: 1 Mult.: 1	CIP-51 8051	2 kB	256 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 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20R Silicon Labs 1: 1,17 € 3.518In Stock 16.500Expected 11/20/2026	Mfr. Part No. EFM8SB10F2G-A-QFN20R Mouser Part No 634-8SB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3.518In Stock 16.500Expected 11/20/2026	Cut Tape 1,17 € 0,903 € 0,797 € 0,726 € Reel 0,657 € View 0,708 € 0,657 € 0,58 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	2 kB	256 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, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN24R Silicon Labs 1: 1,51 € 3.031In Stock	Mfr. Part No. EFM8SB10F8G-A-QFN24R Mouser Part No 634-8SB10F8GAQF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3.031In Stock	Cut Tape 1,51 € 1,19 € 1,06 € 0,963 € Reel 0,805 € View 0,929 € 0,869 € 0,834 € 0,796 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	8 kB	512 B		25 MHz	12 bit	17 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QSOP24 Silicon Labs 1: 1,64 € 3.126In Stock End of Life	Mfr. Part No. EFM8BB21F16I-C-QSOP24 Mouser Part No 634-8BB21F16ICQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3.126In Stock	1,64 € 1,39 € 1,22 € 1,15 € View 1,04 € 0,886 €	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QSOP-24	50 MHz	12 bit	21 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F64G-B-QFN32 Silicon Labs 1: 3,87 € 1.076In Stock End of Life	Mfr. Part No. EFM8SB20F64G-B-QFN32 Mouser Part No 634-EFM8SBF64GBQFN32 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1.076In Stock	3,87 € 2,56 € 2,17 € 1,99 € View 1,89 € 1,69 € 1,67 € 1,52 € 1,51 €	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.25 kB	QFN-32	25 MHz	10 bit	24 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8SB		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20 Silicon Labs 1: 1,51 € 3.229In Stock	Mfr. Part No. EFM8BB21F16I-C-QFN20 Mouser Part No 634-8BB21F16I-CQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3.229In Stock	1,51 € 1,27 € 1,12 € 1,04 € View 1,01 € 0,877 € 0,741 € 0,694 €	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QFN-20	50 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-CSP16R Silicon Labs 1: 1,71 € 4.899In Stock 7.500On Order	Mfr. Part No. EFM8SB10F8G-A-CSP16R Mouser Part No 634-8SB10F8GA-CSP16R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	4.899In Stock 7.500On Order	Cut Tape 1,71 € 1,26 € 1,15 € 1,02 € Reel 0,877 € View 0,963 € 0,929 € 0,894 € 0,85 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	8 kB	256 B	CSP-16	25 MHz	12 bit	13 I/O	3.6 V	2.2 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN24R Silicon Labs 1: 3,16 € 2.120In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN24R Mouser Part No 634-EF8BB31F64GDF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2.120In Stock	Cut Tape 3,16 € 2,13 € 1,98 € 1,72 € Reel 1,33 € View 1,61 € 1,41 € 1,33 € 1,14 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	64 kB	4.35 kB	QFN-24	50 MHz	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN24 Silicon Labs 1: 2,18 € 5.887In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN24 Mouser Part No 634-EF8BB31F64GDQF24	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	5.887In Stock	2,18 € 1,83 € 1,60 € 1,50 € View 1,34 € 1,25 € 1,15 € 1,11 €	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-24	50 MHz	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32 Silicon Labs 1: 2,40 € 2.323In Stock 4.900Expected 11/13/2026	Mfr. Part No. EFM8BB31F64G-D-QFN32 Mouser Part No 634-EF8BB31F64GDQN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2.323In Stock 4.900Expected 11/13/2026	2,40 € 1,89 € 1,69 € 1,56 € View 1,46 € 1,32 €	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24R Silicon Labs 1: 2,45 € 993In Stock 1.500Expected 11/30/2026	Mfr. Part No. EFM8BB31F64I-D-4QFN24R Mouser Part No 634-EF8BB31F64ID424R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	993In Stock 1.500Expected 11/30/2026	Cut Tape 2,45 € 1,82 € 1,67 € 1,50 € Reel 1,35 € View 1,42 € 1,38 € 1,34 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	CIP-51 8051	64 kB	4.35 kB	QFN-24	50 MHz	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24 Silicon Labs 1: 2,58 € 2.758In Stock	Mfr. Part No. EFM8BB31F64I-D-4QFN24 Mouser Part No 634-EF8BB31F64ID4F24	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2.758In Stock	2,58 € 1,93 € 1,75 € 1,57 € View 1,49 € 1,45 € 1,39 € 1,33 € 1,32 €	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-24	50 MHz	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Tube