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Silicon Labs 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-TSSOP20 Silicon Labs 1: £0.751 1,452In Stock	Mfr. Part No. EFM8BB51F16G-C-TSSOP20 Mouser Part No 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	£0.751 £0.594 £0.585 £0.539 View £0.416 £0.406	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: £0.811 151In Stock	Mfr. Part No. EFM8BB51F16G-C-QFN20 Mouser Part No 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	£0.811 £0.586 £0.527 £0.464 View £0.433 £0.416 £0.402 £0.383 £0.375	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: £0.698 1,016In Stock 7,500On Order	Mfr. Part No. EFM8BB51F16G-C-QFN20R Mouser Part No 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 £0.698 £0.502 £0.453 £0.398 View Reel £0.356 £0.373 £0.357 £0.356	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: £0.856 194In Stock	Mfr. Part No. EFM8BB51F16I-C-QFN20 Mouser Part No 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	£0.856 £0.619 £0.557 £0.491 View £0.458 £0.438 £0.425 £0.406 £0.395	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: £0.89 146In Stock	Mfr. Part No. EFM8BB51F16I-C-TSSOP20 Mouser Part No 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	£0.89 £0.652 £0.59 £0.521 View £0.489 £0.469 £0.448 £0.436 £0.425	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: £0.834 297In Stock	Mfr. Part No. EFM8BB51F8G-C-TSSOP20 Mouser Part No 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	£0.834 £0.602 £0.542 £0.477 View £0.446 £0.426 £0.413 £0.395 £0.385	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: £0.691 234In Stock	Mfr. Part No. EFM8BB52F16G-C-QFN20 Mouser Part No 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	£0.691 £0.55 £0.392 £0.375 View £0.36 £0.345 £0.335	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: £0.728 722In Stock 400On Order	Mfr. Part No. EFM8BB52F16G-C-QFN32 Mouser Part No 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	£0.728 £0.559 £0.545 £0.486 View £0.448 £0.365	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: £0.721 874In Stock	Mfr. Part No. EFM8BB52F16G-C-QFN20R Mouser Part No 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 £0.721 £0.519 £0.467 £0.41 Reel £0.34 View £0.383 £0.368 £0.356 £0.332	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 29 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN32 Silicon Labs 1: £0.899 606In Stock	Mfr. Part No. EFM8BB52F32I-C-QFN32 Mouser Part No 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	£0.899 £0.766 £0.672 £0.601 View £0.554 £0.449 £0.429 £0.418	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: £0.96 402In Stock	Mfr. Part No. EFM8BB52F32I-C-TSSOP20 Mouser Part No 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	£0.96 £0.75 £0.713 £0.539 View £0.515 £0.501 £0.489	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: £0.743 294In Stock	Mfr. Part No. EFM8BB51F8G-C-QFN20 Mouser Part No 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	£0.743 £0.535 £0.482 £0.423 View £0.396 £0.379 £0.368 £0.351 £0.342	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: £2.99 69In Stock	Mfr. Part No. EFM8UB20F64G-B-QFN32R Mouser Part No 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 £2.99 £2.23 £2.03 £1.82 Reel £1.55 View £1.73 £1.68 £1.60 £1.53	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: £2.79 284In Stock	Mfr. Part No. EFM8UB20F64G-B-QFN32 Mouser Part No 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	£2.79 £2.19 £1.94 £1.79 View £1.66 £1.60 £1.57 £1.56	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: £0.721 1,045In Stock 2,200On Order	Mfr. Part No. EFM8BB52F16I-C-QFN32 Mouser Part No 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	£0.721 £0.503 £0.451 £0.395 View £0.367 £0.36 £0.359	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: £2.98 418In Stock 500Expected 15/01/2027	Mfr. Part No. EFM8LB12F64E-C-QFP32R Mouser Part No 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 15/01/2027	Cut Tape £2.98 £2.22 £2.03 £1.82 Reel £1.68 View £1.72 £1.59 £1.54 £1.51	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 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: £8.75 57In Stock NRND	Mfr. Part No. C8051F338-GM Mouser Part No 634-C8051F338-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	£8.75 £6.84 £6.37 £5.86 View £5.80 £5.46 £5.33 £5.05	Min.: 1 Mult.: 1	8051	16 kB	768 B	QFN-24	25 MHz	10 bit	21 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F338		Tube
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: £1.83 8In Stock NRND	Mfr. Part No. EFM8BB31F16I-D-QFP32 Mouser Part No 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	£1.83 £1.35 £1.23 £1.10 View £1.04 £1.00 £0.969	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: £2.60 510In Stock NRND	Mfr. Part No. EFM8LB12F32E-C-QFP32 Mouser Part No 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	£2.60 £1.95 £1.78 £1.59 View £1.51 £1.48 £1.47	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: £0.917 218In Stock	Mfr. Part No. EFM8BB10F4G-A-QFN20 Mouser Part No 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	£0.917 £0.668 £0.604 £0.534 View £0.501 £0.48 £0.459 £0.446 £0.436	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
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU C8051F351-GMR Silicon Labs 1: £12.04 97In Stock	Mfr. Part No. C8051F351-GMR Mouser Part No 634-C8051F351-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU	Datasheet	97In Stock	Cut Tape £12.04 £9.42 £8.77 £8.06 View Reel £6.95 £7.98 £7.51 £7.34 £6.95	Min.: 1 Mult.: 1 : 2,500	8051	8 kB	768 B	QFN-28	50 MHz	24 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F351		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8A-A-QFN20 Silicon Labs 1: £1.91 20In Stock	Mfr. Part No. EFM8BB10F8A-A-QFN20 Mouser Part No 634-FM8BB10F8AAQFN20	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	20In Stock	£1.91 £1.42 £1.29 £1.15 View £1.10 £1.05 £1.01 £0.995 £0.969	Min.: 1 Mult.: 1	CIP-51 8051	8 kB	512 B		25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQ Silicon Labs 1: £33.06 28In Stock End of Life	Mfr. Part No. C8051F021-GQ Mouser Part No 634-C8051F021-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	28In Stock	£33.06 £27.33 £25.54 £24.49 View £23.54 Quote	Min.: 1 Mult.: 1	8051	64 kB	4.35 kB	TQFP-64	25 MHz	8 bit, 12 bit	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F021		Tray
8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU C8051F022-GQ Silicon Labs 1: £27.65 6In Stock End of Life	Mfr. Part No. C8051F022-GQ Mouser Part No 634-C8051F022-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU	Datasheet	6In Stock	£27.65 £22.39 £21.07 £20.20 £18.94	Min.: 1 Mult.: 1	8051	64 kB	4.35 kB	TQFP-100	25 MHz	8 bit, 10 bit	64 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F022		Tray
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU C8051F120-GQ Silicon Labs 1: £41.48 5In Stock 859Expected 24/09/2027 End of Life	Mfr. Part No. C8051F120-GQ Mouser Part No 634-C8051F120-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU	Datasheet	5In Stock 859Expected 24/09/2027	£41.48 £33.90 £32.00 £31.11 £28.92	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	TQFP-100	100 MHz	8 bit, 12 bit	64 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F120		Tray