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50 MHz 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 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: € 12,09 1 837In Stock	Mfr. Part No. C8051F411-GMR Mouser Part No 634-C8051F411-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1 837In Stock	Cut Tape € 12,09 € 9,86 € 9,04 € 8,49 View Reel € 7,53 € 8,44 € 8,13 € 7,64 € 7,53 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2 500	8051	32 kB	2.25 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F411		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-QFN32R Silicon Labs 1: € 2,30 1 148In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN32R Mouser Part No 634-EF8BB31F64GDN32R	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 148In Stock	Cut Tape € 2,30 € 1,70 € 1,56 € 1,39 Reel € 1,20 View € 1,32 € 1,27 € 1,22 € 1,16	Min.: 1 Mult.: 1 : 2 500	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			Reel, Cut Tape
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 947In Stock 4 900On Order	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	947In Stock 4 900On Order	€ 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 30/11/2026	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 30/11/2026	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-QFN32R Silicon Labs 1: € 2,63 2 500In Stock	Mfr. Part No. EFM8BB31F64I-D-QFN32R Mouser Part No 634-EF8BB31F64IDN32R	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 500In Stock	Cut Tape € 2,63 € 1,96 € 1,79 € 1,61 Reel € 1,37 View € 1,51 € 1,48 € 1,41 € 1,34	Min.: 1 Mult.: 1 : 2 500	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			Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN32 Silicon Labs 1: € 2,64 1 517In Stock	Mfr. Part No. EFM8BB31F64I-D-QFN32 Mouser Part No 634-EF8BB31F64IDQN32	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 517In Stock	€ 2,64 € 1,97 € 1,80 € 1,62 View € 1,52 € 1,49 € 1,42 € 1,37 € 1,34	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			Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20 Silicon Labs 1: € 2,89 2 983In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20 Mouser Part No 634-EFM8BB21F16FN20	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	2 983In Stock	€ 2,89 € 2,28 € 2,04 € 1,87 View € 1,80 € 1,70 € 1,66 € 1,63 € 1,58	Min.: 1 Mult.: 1	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	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: € 11,62 1 052In Stock 1 533Expected 04/11/2026 NRND	Mfr. Part No. C8051F411-GM Mouser Part No 634-C8051F411-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1 052In Stock 1 533Expected 04/11/2026	€ 11,62 € 9,54 € 8,70 € 8,22 View € 8,19 € 7,77 Quote	Min.: 1 Mult.: 1	8051	32 kB	2.31 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F411		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN12 Silicon Labs 1: € 0,877 100In Stock	Mfr. Part No. EFM8BB50F16I-A-QFN12 Mouser Part No 634-M8BB50F16IAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	100In Stock	€ 0,877 € 0,632 € 0,569 € 0,501 View € 0,468 € 0,448 € 0,433 € 0,415 € 0,404	Min.: 1 Mult.: 1		16 kB	512 B	QFN-12	50 MHz	12 bit	9 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN16 Silicon Labs 1: € 0,791 71In Stock	Mfr. Part No. EFM8BB50F16I-A-QFN16 Mouser Part No 634-M8BB50F16IAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	71In Stock	€ 0,791 € 0,634 € 0,569 € 0,479 View € 0,478 € 0,468 € 0,453 € 0,433 € 0,423	Min.: 1 Mult.: 1		16 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-139 Infineon Technologies 1: € 8,29 186In Stock	Mfr. Part No. CY8C3245LTI-139 Mouser Part No 727-CY8C3245LTI-139	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	186In Stock	€ 8,29 € 6,45 € 5,71 € 5,48 View € 5,23 € 5,08 € 4,88 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	QFN-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245		Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3445PVI-094 Infineon Technologies 1: € 10,61 134In Stock	Mfr. Part No. CY8C3445PVI-094 Mouser Part No 727-CY8C3445PVI-094	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	134In Stock	€ 10,61 € 9,48 € 7,33 € 7,24 View € 6,96 € 6,46 € 6,30 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	SSOP-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3445		Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-099 Infineon Technologies 1: € 14,67 242In Stock	Mfr. Part No. CY8C3446AXI-099 Mouser Part No 727-CY8C3446AXI-099	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	242In Stock	€ 14,67 € 11,15 € 10,68 € 9,41 View € 8,95 € 8,65 € 8,38 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	72 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3446		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB11F16G-C-QSOP24 Silicon Labs 1: € 2,27 122In Stock End of Life	Mfr. Part No. EFM8UB11F16G-C-QSOP24 Mouser Part No 634-8UB11F16GCQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	122In Stock	€ 2,27 € 1,79 € 1,59 € 1,47 View € 1,38 € 1,33 € 1,28 € 1,26 € 1,24	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.25 kB	QSOP-24	50 MHz	12 bit	17 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F500-IM Silicon Labs 1: € 11,30 181In Stock End of Life	Mfr. Part No. C8051F500-IM Mouser Part No 634-C8051F500-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU	Datasheet	181In Stock	€ 11,30 € 9,85 € 8,24 € 7,57 View € 7,53 € 7,28 € 7,18 Quote	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-48	50 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F500	AEC-Q100	Tube
8-bit Microcontrollers - MCU FS70AB037A - Repl for Intel 80C188EB IA188EBPLC84IR2 Analog Devices 1: € 143,78 17In Stock	Mfr. Part No. IA188EBPLC84IR2 Mouser Part No 584-IA188EBPLC84IR2	Analog Devices	8-bit Microcontrollers - MCU FS70AB037A - Repl for Intel 80C188EB	Datasheet	17In Stock	€ 143,78 € 121,90 € 121,87 € 113,57 View Quote	Min.: 1 Mult.: 1	80C188	0 B	0 B	PLCC-84	50 MHz	No ADC	16 I/O	4.5 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 85 C	IA186EB, IA188EB		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU C8051F392-A-GM Silicon Labs 1: € 3,73 395In Stock 1 911Expected 02/11/2026 NRND	Mfr. Part No. C8051F392-A-GM Mouser Part No 634-C8051F392-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	395In Stock 1 911Expected 02/11/2026	€ 3,73 € 2,81 € 2,58 € 2,33 View € 2,21 € 2,19 € 2,06 € 2,01	Min.: 1 Mult.: 1	8051	16 kB	1 kB	QFN-20	50 MHz	10 bit	17 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F392		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16G-C-QFN20 Silicon Labs 1: € 1,47 50In Stock 2 520Expected 08/01/2027	Mfr. Part No. EFM8BB21F16G-C-QFN20 Mouser Part No 634-8BB21F16GCQFN20	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	50In Stock 2 520Expected 08/01/2027	€ 1,47 € 1,25 € 1,09 € 0,912	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	+ 85 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB22F16G-C-QFN28 Silicon Labs 1: € 1,76 1 187In Stock	Mfr. Part No. EFM8BB22F16G-C-QFN28 Mouser Part No 634-8BB22F16GCQFN28	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 187In Stock	€ 1,76 € 1,30 € 1,18 € 1,06 View € 0,989 € 0,955 € 0,92 € 0,903 € 0,869	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QFN-28	50 MHz	12 bit	22 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN20 Silicon Labs 1: € 2,22 164In Stock	Mfr. Part No. EFM8UB10F16G-C-QFN20 Mouser Part No 634-8UB10F16GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	164In Stock	€ 2,22 € 1,87 € 1,63 € 1,53 € 1,37	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.25 kB	QFN-20	50 MHz	12 bit	13 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN28R Silicon Labs 1: € 2,33 105In Stock 7 500Expected 08/01/2027	Mfr. Part No. EFM8UB10F16G-C-QFN28R Mouser Part No 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 08/01/2027	Cut Tape € 2,33 € 1,96 € 1,72 € 1,63 View Reel € 1,37 € 1,41 € 1,37 € 1,37	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 EFM8BB21F16A-C-QFN20R Silicon Labs 1: € 2,86 298In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20R Mouser Part No 634-BB21F16ACQFN20R	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	298In Stock	Cut Tape € 2,86 € 2,13 € 1,95 € 1,75 Reel € 1,49 View € 1,65 € 1,62 € 1,53 € 1,46	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	AEC-Q100	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: € 1,53 331In Stock	Mfr. Part No. EFM8BB21F16I-C-QFN20R Mouser Part No 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 € 1,53 € 1,20 € 1,08 € 0,989 View Reel € 0,771 € 0,955 € 0,912 € 0,771 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