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8051 microcontroller 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.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2A-A-QFN20 Silicon Labs 2,520: £0.978 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F2A-A-QFN20 Mouser Part No 634-FM8BB10F2AAQFN20	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	Non-Stocked Lead-Time 12 Weeks	£0.978 £0.943	Min.: 2,520 Mult.: 2,520	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	2.2 V	3.6 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F385-GM Silicon Labs 1: £5.06 257In Stock NRND	Mfr. Part No. C8051F385-GM Mouser Part No 634-C8051F385-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	257In Stock	£5.06 £3.92 £3.61 £3.30 View £3.13 £3.05 £3.01 £2.98	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	8 bit	48 MHz	64 kB	4.35 kB		25 I/O	2.7 V	5.25 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F32E-C-QFN32R Silicon Labs 2,500: £1.23 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8LB12F32E-C-QFN32R Mouser Part No 634-LB12F32ECQFN32R	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	Non-Stocked Lead-Time 26 Weeks	Reel £1.23	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	8 bit	72 MHz	32 kB	2.25 kB	10 bit/12 bit/14 bit	29 I/O	2.2 V	3.6 V	+ 105 C		Reel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244LTI-123 Infineon Technologies 1: £7.94 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244LTI-123 Mouser Part No 727-CY8C3244LTI-123	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	£7.94 £6.14 £5.85 £5.07 View £4.85 £4.29 £4.11 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	50 MHz	16 kB	2 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16I-A-QFN12R Silicon Labs 1: £0.766 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F16I-A-QFN12R Mouser Part No 634-M8BB50F16IAFN12R	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	Non-Stocked Lead-Time 12 Weeks	Cut Tape £0.766 £0.552 £0.497 £0.437 Reel £0.362 View £0.409 £0.391 £0.378 £0.353 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-12		8 bit	50 MHz	16 kB	512 B	12 bit	9 I/O	1.8 V	5.5 V	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN12R Silicon Labs 3,000: £0.351 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F16G-A-QFN12R Mouser Part No 634-M8BB50F16GAFN12R	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	Non-Stocked Lead-Time 12 Weeks	Reel £0.351 £0.342	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-12		8 bit	50 MHz	16 kB	512 B	12 bit	9 I/O	1.8 V	5.5 V	+ 85 C		Reel
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245PVI-150 Infineon Technologies 1: £7.74 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245PVI-150 Mouser Part No 727-CY8C3245PVI-150	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	£7.74 £7.24 £5.28 £5.08 View £4.78 £4.62 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	32 kB	4 kB	12 bit	31 I/O	1.71 V	5.5 V	+ 85 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: £1.83 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 £1.83 £1.35 £1.23 £1.10 £1.04 Reel £1.00	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	28 I/O	2.2 V	3.6 V	+ 125 C		Reel, Cut Tape
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: £2.62 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	£2.62 £1.96 £1.79 £1.60 View £1.51 £1.48 £1.41	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3445LTI-079 Infineon Technologies 2,600: £5.88 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3445LTI-079 Mouser Part No 727-CY8C3445LTI-079	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	£5.88 Quote Quote	Min.: 2,600 Mult.: 2,600	SMD/SMT	QFN-68	8051	8 bit	50 MHz	32 kB	4 kB	12 bit	46 I/O	1.71 V	5.5 V	+ 85 C		Tray
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: £1.75 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 £1.75	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	+ 125 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-TSSOP20R Silicon Labs 2,500: £0.406 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16G-C-TSSOP20R Mouser Part No 634-EFM852F16GTOP20R	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	Non-Stocked Lead-Time 24 Weeks	Reel £0.406 £0.395	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 85 C		Reel
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB10F16E-C-QFN32R Silicon Labs 2,500: £0.899 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8LB10F16E-C-QFN32R Mouser Part No 634-LB10F16ECQFN32R	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	Non-Stocked Lead-Time 26 Weeks	Reel £0.899	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	8 bit	72 MHz	16 kB	1.25 kB	10 bit/12 bit/14 bit	29 I/O	2.2 V	3.6 V	+ 105 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-TSSOP20R Silicon Labs 2,500: £0.395 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8G-C-TSSOP20R Mouser Part No 634-EFM851F8GCTOP20R	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	Non-Stocked Lead-Time 24 Weeks	Reel £0.395 £0.385	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 85 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8I-C-TSSOP20R Silicon Labs 2,500: £0.406 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8I-C-TSSOP20R Mouser Part No 634-EFM851F8ICTOP20R	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	Non-Stocked Lead-Time 24 Weeks	Reel £0.406 £0.395	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 85 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16I-C-TSSOP28 Silicon Labs 1: £0.89 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16I-C-TSSOP28 Mouser Part No 634-EFM852F16ITSOP28	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	£0.89 £0.652 £0.59 £0.521 View £0.489 £0.469 £0.448 £0.436 £0.425	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-28				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 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-TSSOP20R Silicon Labs 1: £0.882 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F16G-C-TSSOP20R Mouser Part No 634-EFM851GCTSSOP20R	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	Non-Stocked Lead-Time 24 Weeks	Cut Tape £0.882 £0.636 £0.572 £0.503 Reel £0.416 View £0.471 £0.45 £0.437 £0.406	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 85 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-QFN24R Silicon Labs 2,500: £1.14 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 £1.14 £1.12	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	+ 125 C		Reel
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB11F32E-C-QFN32R Silicon Labs 2,500: £1.14 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8LB11F32E-C-QFN32R Mouser Part No 634-LB11F32ECQFN32R	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	Non-Stocked Lead-Time 26 Weeks	Reel £1.14	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	8 bit	72 MHz	32 kB	2.25 kB	10 bit/12 bit/14 bit	29 I/O	2.2 V	3.6 V	+ 105 C		Reel
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB10F16E-C-QFN32 Silicon Labs 1: £2.03 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8LB10F16E-C-QFN32 Mouser Part No 634-LB10F16ECQFN32	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	Non-Stocked Lead-Time 26 Weeks	£2.03 £1.83 £1.63 £1.48 View £1.31 £1.15 £0.943 £0.82	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	8 bit	72 MHz	16 kB	1.25 kB	10 bit/12 bit/14 bit	29 I/O	2.2 V	3.6 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB10F16E-C-QFP32R Silicon Labs 500: £1.18 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. EFM8LB10F16E-C-QFP32R Mouser Part No 634-LB10F16ECQFP32R	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	Non-Stocked Lead-Time 26 Weeks	Reel £1.18	Min.: 500 Mult.: 500 : 500	SMD/SMT	QFP-32	CIP-51 8051	8 bit	72 MHz	16 kB	1.25 kB	10 bit/12 bit/14 bit	28 I/O	2.2 V	3.6 V	+ 105 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16I-C-TSSOP20R Silicon Labs 2,500: £0.416 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16I-C-TSSOP20R Mouser Part No 634-EFM852F16ITOP20R	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	Non-Stocked Lead-Time 24 Weeks	Reel £0.416 £0.406	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 85 C		Reel
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: £1.36 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 £1.36 £1.34	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	+ 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: £1.80 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	£1.80	Min.: 1,533 Mult.: 1,533	SMD/SMT	QFN-32	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	+ 125 C		Tube
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: £1.14 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	£1.14	Min.: 2,520 Mult.: 2,520	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	+ 125 C		Tube