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8 bit 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 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16A-D-4QFN24R Silicon Labs 2,500: €1.56 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16A-D-4QFN24R Mouser Part No 634-EF8BB31F16AD424R	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	Non-Stocked Lead-Time 26 Weeks	Reel €1.56 €1.53	Min.: 2,500 Mult.: 2,500 : 2,500	CIP-51 8051	16 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
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16A-D-4QFN24 Silicon Labs 1: €3.00 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16A-D-4QFN24 Mouser Part No 634-EF8BB31F16AD4F24	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	Non-Stocked Lead-Time 26 Weeks	€3.00 €2.24 €2.05 €1.83 View €1.73 €1.69 €1.61	Min.: 1 Mult.: 1	CIP-51 8051	16 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			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16A-D-5QFN32R Silicon Labs 2,500: €1.73 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16A-D-5QFN32R Mouser Part No 634-EF8BB31F16AD532R	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	Non-Stocked Lead-Time 26 Weeks	Reel €1.73 €1.69	Min.: 2,500 Mult.: 2,500 : 2,500	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	+ 125 C			Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16A-D-5QFN32 Silicon Labs 1,533: €1.78 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16A-D-5QFN32 Mouser Part No 634-EF8BB31F16AD5F32	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	Non-Stocked Lead-Time 26 Weeks	€1.78	Min.: 1,533 Mult.: 1,533	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	+ 125 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16I-D-5QFN32R Silicon Labs 1: €1.83 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16I-D-5QFN32R Mouser Part No 634-EF8BB31F16ID532R	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	Non-Stocked Lead-Time 26 Weeks	Cut Tape €1.83 €1.35 €1.23 €1.10 Reel €0.946 View €1.03 €0.998 €0.955 €0.903	Min.: 1 Mult.: 1 : 2,500	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	+ 125 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16I-D-5QFN32 Silicon Labs 1: €1.83 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16I-D-5QFN32 Mouser Part No 634-EF8BB31F16ID5F32	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	Non-Stocked Lead-Time 26 Weeks	€1.83 €1.35 €1.23 €1.10 View €1.03 €0.998 €0.955	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	+ 125 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16I-D-QFP32R Silicon Labs 1: €2.10 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F16I-D-QFP32R Mouser Part No 634-EF8BB31F16IDP32R	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	Non-Stocked Lead-Time 26 Weeks	Cut Tape €2.10 €1.55 €1.41 €1.26 €1.19 Reel €1.15	Min.: 1 Mult.: 1 : 500	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			Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32A-D-5QFN32R Silicon Labs 2,500: €1.79 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F32A-D-5QFN32R Mouser Part No 634-EF8BB31F32AD532R	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	Non-Stocked Lead-Time 26 Weeks	Reel €1.79 €1.75	Min.: 2,500 Mult.: 2,500 : 2,500	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	+ 125 C			Reel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32A-D-5QFN32 Silicon Labs 1,533: €1.85 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F32A-D-5QFN32 Mouser Part No 634-EF8BB31F32AD5F32	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	Non-Stocked Lead-Time 26 Weeks	€1.85	Min.: 1,533 Mult.: 1,533	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	+ 125 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN32R Silicon Labs 1: €1.98 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F32G-D-QFN32R Mouser Part No 634-EF8BB31F32GDN32R	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	Non-Stocked Lead-Time 26 Weeks	Cut Tape €1.98 €1.46 €1.33 €1.19 View Reel €1.02 €1.13 €1.08 €1.05 €1.02	Min.: 1 Mult.: 1 : 2,500	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			Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN24 Silicon Labs 1: €1.86 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F32G-D-QFN24 Mouser Part No 634-EF8BB31F32GDQF24	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	Non-Stocked Lead-Time 26 Weeks	€1.86 €1.37 €1.25 €1.11 View €1.05 €1.01 €0.972 €0.955	Min.: 1 Mult.: 1	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	+ 85 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64A-D-5QFN32R Silicon Labs 2,500: €2.01 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F64A-D-5QFN32R Mouser Part No 634-EF8BB31F64AD532R	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	Non-Stocked Lead-Time 26 Weeks	Reel €2.01	Min.: 2,500 Mult.: 2,500 : 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
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64A-D-5QFN32 Silicon Labs 1,533: €2.06 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F64A-D-5QFN32 Mouser Part No 634-EF8BB31F64AD5F32	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	Non-Stocked Lead-Time 26 Weeks	€2.06	Min.: 1,533 Mult.: 1,533	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 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN24R Silicon Labs 2,500: €1.31 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F64I-D-QFN24R Mouser Part No 634-EF8BB31F64IDF24R	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	Non-Stocked Lead-Time 26 Weeks	Reel €1.31 €1.28	Min.: 2,500 Mult.: 2,500 : 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
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN24 Silicon Labs 2,520: €1.31 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8BB31F64I-D-QFN24 Mouser Part No 634-EF8BB31F64IDQF24	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	Non-Stocked Lead-Time 26 Weeks	€1.31	Min.: 2,520 Mult.: 2,520	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
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU C8051F583-IM Silicon Labs 1,533: €8.45 Non-Stocked Lead-Time 29 Weeks NRND	Mfr. Part No. C8051F583-IM Mouser Part No 634-C8051F583-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	Non-Stocked Lead-Time 29 Weeks	€8.45	Min.: 1,533 Mult.: 1,533	8051	128 kB	8.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F583	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFP32 Silicon Labs 1,250: €1.20 Non-Stocked Lead-Time 26 Weeks NRND	Mfr. Part No. EFM8BB31F32G-D-QFP32 Mouser Part No 634-EF8BB31F32GDQP32 NRND	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	Non-Stocked Lead-Time 26 Weeks	€1.20	Min.: 1,250 Mult.: 1,250	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			Tray
8-bit Microcontrollers - MCU C8051F507-AM Silicon Labs 1: €8.94 Non-Stocked End of Life	Mfr. Part No. C8051F507-AM Mouser Part No 634-C8051F507-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	€8.94 €6.95 €6.45 €5.91 View €5.60 €5.49 €5.36 Quote	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	256 B	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F507	AEC-Q100
8-bit Microcontrollers - MCU 8051 MHz 16 kB flash industrial 8-bit MCU C8051F542-IM Silicon Labs 1: €7.43 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part No. C8051F542-IM Mouser Part No 634-C8051F542-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 MHz 16 kB flash industrial 8-bit MCU	Datasheet	Non-Stocked Lead-Time 29 Weeks	€7.43 €5.76 €5.34 €4.88 View €4.66 €4.57	Min.: 1 Mult.: 1	8051	16 kB	1.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F542	AEC-Q100	Tube
8-bit Microcontrollers - MCU MCU 8051 50MHz 16kB 5V C8051F543-IM Silicon Labs 1: €7.29 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part No. C8051F543-IM Mouser Part No 634-C8051F543-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU MCU 8051 50MHz 16kB 5V	Datasheet	Non-Stocked Lead-Time 29 Weeks	€7.29 €5.65 €5.24 €5.01	Min.: 1 Mult.: 1	8051	16 kB	256 B	QFN-24	50 MHz		18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F543	AEC-Q100	Tube
8-bit Microcontrollers - MCU C8051F553-AM Silicon Labs 1: €7.25 Non-Stocked End of Life	Mfr. Part No. C8051F553-AM Mouser Part No 634-C8051F553-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	€7.25 €5.58 €4.87 €4.78 View €4.59 €4.58 €4.52 €4.40	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F553	AEC-Q100
8-bit Microcontrollers - MCU C8051F554-AM Silicon Labs 1: €7.18 Non-Stocked End of Life	Mfr. Part No. C8051F554-AM Mouser Part No 634-C8051F554-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	€7.18 €5.54 €5.13 €4.67 View €4.33 €4.19 €3.99	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F554	AEC-Q100
8-bit Microcontrollers - MCU C8051F569-AM Silicon Labs 1: €9.49 Non-Stocked End of Life	Mfr. Part No. C8051F569-AM Mouser Part No 634-C8051F569-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	€9.49 €7.41 €6.71 €6.26 View €6.00 €5.89 €5.77 Quote	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 kB	QFN-40	50 MHz	12 bit	33 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F569	AEC-Q100
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU C8051F581-IM Silicon Labs 1: €13.54 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part No. C8051F581-IM Mouser Part No 634-C8051F581-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	Non-Stocked Lead-Time 29 Weeks	€13.54 €10.60 €9.87 €9.06 View €8.98 €8.85 €8.75 Quote	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	QFN-48	50 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F581	AEC-Q100	Tube
8-bit Microcontrollers - MCU C8051F587-AM Silicon Labs 1: €11.83 Non-Stocked End of Life	Mfr. Part No. C8051F587-AM Mouser Part No 634-C8051F587-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	€11.83 €9.25 €8.62 €7.91 View €7.83 €7.38 €7.21 Quote	Min.: 1 Mult.: 1	CIP-51 8051	96 kB	8.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F587	AEC-Q100