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Silicon Labs 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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	Packaging
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN28R Silicon Labs 1: ¥450.1 105In Stock 7,500Expected 1/8/2027	Mfr. Part # EFM8UB10F16G-C-QFN28R Mouser Part # 634-8UB10F16GCQFN28R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	105In Stock 7,500Expected 1/8/2027	Cut Tape ¥450.1 ¥378.7 ¥332.2 ¥313.9 View Reel ¥264.1 ¥272.4 ¥264.1 ¥264.1	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20R Silicon Labs 1: ¥307.3 331In Stock	Mfr. Part # EFM8BB21F16I-C-QFN20R Mouser Part # 634-BB21F16ICQFN20R	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	331In Stock	Cut Tape ¥307.3 ¥260.8 ¥229.2 ¥215.9 View Reel ¥150 ¥172.7 ¥165.3 ¥150 ¥150 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	16 kB	2.25 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	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM) C8051F381-GMR Silicon Labs 1: ¥1,205.9 60In Stock	Mfr. Part # C8051F381-GMR Mouser Part # 634-C8051F381-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)	Datasheet	60In Stock	Cut Tape ¥1,205.9 ¥930.2 ¥860.4 ¥784 View Reel ¥671 ¥727.5 ¥725.9 ¥704.3 ¥671	Min.: 1 Mult.: 1 : 2,500	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	C8051F381	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN32 Silicon Labs 1: ¥292.3 1,432In Stock	Mfr. Part # EFM8BB31F16G-D-QFN32 Mouser Part # 634-EF8BB31F16GDQN32	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	1,432In Stock	¥292.3 ¥247.5 ¥217.6 ¥206 View ¥182.7 ¥174.4 ¥167.8 ¥160.8 ¥159	Min.: 1 Mult.: 1	CIP-51 8051	16 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 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32I-D-4QFN24R Silicon Labs 1: ¥400.3 617In Stock	Mfr. Part # EFM8BB31F32I-D-4QFN24R Mouser Part # 634-EF8BB31F32ID424R	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	617In Stock	Cut Tape ¥400.3 ¥295.7 ¥269.1 ¥240.8 Reel ¥206 View ¥227.6 ¥220.9 ¥212.6 ¥201	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	32 kB	2.3 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
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-TSSOP20 Silicon Labs 1: ¥166.1 1,452In Stock	Mfr. Part # EFM8BB51F16G-C-TSSOP20 Mouser Part # 634-EFM8516GCTSSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,452In Stock	¥166.1 ¥131.4 ¥129.4 ¥119.3 View ¥92.2 ¥89.9	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-QFN20 Silicon Labs 1: ¥179.4 151In Stock	Mfr. Part # EFM8BB51F16G-C-QFN20 Mouser Part # 634-EFM851F16GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	151In Stock	¥179.4 ¥129.6 ¥116.6 ¥102.5 View ¥95.8 ¥91.9 ¥88.9 ¥84.9 ¥82.9	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-QFN20R Silicon Labs 1: ¥154.5 1,016In Stock 7,500On Order	Mfr. Part # EFM8BB51F16G-C-QFN20R Mouser Part # 634-EFM851F16GQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,016In Stock 7,500On Order	Cut Tape ¥154.5 ¥111.1 ¥100.2 ¥88 View Reel ¥78.7 ¥82.4 ¥78.9 ¥78.7	Min.: 1 Mult.: 1 : 2,500		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-QFN20 Silicon Labs 1: ¥189.4 194In Stock	Mfr. Part # EFM8BB51F16I-C-QFN20 Mouser Part # 634-EFM851F16ICQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	194In Stock	¥189.4 ¥136.9 ¥123.2 ¥108.5 View ¥101.3 ¥97 ¥94 ¥89.9 ¥87.5	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-TSSOP20 Silicon Labs 1: ¥197.7 146In Stock	Mfr. Part # EFM8BB51F16I-C-TSSOP20 Mouser Part # 634-EFM851F16TSSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	146In Stock	¥197.7 ¥144.3 ¥130.6 ¥115.3 View ¥108.1 ¥103.6 ¥99.2 ¥96.3 ¥94	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 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-TSSOP20 Silicon Labs 1: ¥184.4 297In Stock	Mfr. Part # EFM8BB51F8G-C-TSSOP20 Mouser Part # 634-EFM851F8GCTSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	297In Stock	¥184.4 ¥133.2 ¥119.9 ¥105.5 View ¥98.7 ¥94.3 ¥91.4 ¥87.4 ¥85.2	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN20 Silicon Labs 1: ¥152.8 234In Stock	Mfr. Part # EFM8BB52F16G-C-QFN20 Mouser Part # 634-EFM852F16GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	234In Stock	¥152.8 ¥121.8 ¥86.7 ¥82.9 View ¥79.6 ¥76.2 ¥74.2	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN32 Silicon Labs 1: ¥161.1 722In Stock 400On Order	Mfr. Part # EFM8BB52F16G-C-QFN32 Mouser Part # 634-EFM852F16GCQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	722In Stock 400On Order	¥161.1 ¥123.6 ¥120.6 ¥107.6 View ¥99 ¥80.7	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-32		12 bit	29I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN20R Silicon Labs 1: ¥159.5 874In Stock	Mfr. Part # EFM8BB52F16G-C-QFN20R Mouser Part # 634-EFM852F16GQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	874In Stock	Cut Tape ¥159.5 ¥114.8 ¥103.3 ¥90.9 Reel ¥75.2 View ¥84.9 ¥81.2 ¥78.7 ¥73.4	Min.: 1 Mult.: 1 : 2,500		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN20 Silicon Labs 1: ¥304 2,182In Stock	Mfr. Part # EFM8BB52F32G-C-QFN20 Mouser Part # 634-EFM852F32GCQFN20	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	2,182In Stock	¥304 ¥194.3 ¥172.7 ¥142 View ¥123.7 ¥117.3 ¥98.5 ¥89.9 ¥87	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN32 Silicon Labs 1: ¥199.3 606In Stock	Mfr. Part # EFM8BB52F32I-C-QFN32 Mouser Part # 634-EFM852F32ICQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	606In Stock	¥199.3 ¥169.4 ¥148.7 ¥132.9 View ¥122.6 ¥99.3 ¥94.8 ¥92.5	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-32			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP20 Silicon Labs 1: ¥212.6 402In Stock	Mfr. Part # EFM8BB52F32I-C-TSSOP20 Mouser Part # 634-EFM852F32ICTOP20	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	402In Stock	¥212.6 ¥165.9 ¥157.8 ¥119.3 View ¥113.9 ¥110.8 ¥108.1	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 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-QFN20 Silicon Labs 1: ¥164.4 294In Stock	Mfr. Part # EFM8BB51F8G-C-QFN20 Mouser Part # 634-EFM8B51F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	294In Stock	¥164.4 ¥118.4 ¥106.6 ¥93.7 View ¥87.7 ¥83.9 ¥81.2 ¥77.7 ¥75.7	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32R Silicon Labs 1: ¥661.1 69In Stock	Mfr. Part # EFM8UB20F64G-B-QFN32R Mouser Part # 634-EFM8UB64GBQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	69In Stock	Cut Tape ¥661.1 ¥491.7 ¥450.1 ¥403.6 Reel ¥343.8 View ¥382 ¥372.1 ¥353.8 ¥337.2	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	64 kB	4.25 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	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32 Silicon Labs 1: ¥617.9 284In Stock	Mfr. Part # EFM8UB20F64G-B-QFN32 Mouser Part # 634-EFM8UBF64GBQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	284In Stock	¥617.9 ¥485 ¥428.5 ¥395.3 View ¥367.1 ¥353.8 ¥347.1 ¥345.5	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.25 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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F16I-C-QFN32 Silicon Labs 1: ¥159.5 1,045In Stock 2,200On Order	Mfr. Part # EFM8BB52F16I-C-QFN32 Mouser Part # 634-EFMB52F16ICQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,045In Stock 2,200On Order	¥159.5 ¥111.3 ¥99.8 ¥87.2 View ¥81.1 ¥79.6 ¥79.4	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-32			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFP32R Silicon Labs 1: ¥657.8 418In Stock 500Expected 1/15/2027	Mfr. Part # EFM8LB12F64E-C-QFP32R Mouser Part # 634-LB12F64ECQFP32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	418In Stock 500Expected 1/15/2027	Cut Tape ¥657.8 ¥490 ¥448.5 ¥402 Reel ¥370.4 View ¥380.4 ¥352.1 ¥340.5 ¥333.9	Min.: 1 Mult.: 1 : 500	CIP-51 8051	64 kB	4.25 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	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16I-D-QFP32 Silicon Labs 1: ¥405.3 8In Stock NRND	Mfr. Part # EFM8BB31F16I-D-QFP32 Mouser Part # 634-EF8BB31F16IDQP32 NRND	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	8In Stock	¥405.3 ¥299 ¥272.4 ¥244.2 View ¥229.2 ¥222.6 ¥214.3	Min.: 1 Mult.: 1	CIP-51 8051	16 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	+ 125 C		Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F32E-C-QFP32 Silicon Labs 1: ¥576.4 510In Stock NRND	Mfr. Part # EFM8LB12F32E-C-QFP32 Mouser Part # 634-LB12F32ECQFP32 NRND	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	510In Stock	¥576.4 ¥430.2 ¥393.7 ¥352.1 View ¥333.9 ¥325.6 ¥323.9	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 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 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F4G-A-QFN20 Silicon Labs 1: ¥202.6 218In Stock	Mfr. Part # EFM8BB10F4G-A-QFN20 Mouser Part # 634-8BB10F4GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	218In Stock	¥202.6 ¥147.8 ¥133.7 ¥118.3 View ¥110.8 ¥106.3 ¥101.7 ¥98.7 ¥96.3	Min.: 1 Mult.: 1	CIP-51 8051	4 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