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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	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8I-A-QFN16 Silicon Labs 1: £0.721 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8I-A-QFN16 Mouser Part No 634-M8BB50F8IAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£0.721 £0.519 £0.467 £0.41 View £0.383 £0.368 £0.356 £0.34 £0.332	Min.: 1 Mult.: 1	SMD/SMT	QFN-16		8 kB	8 bit	12 bit	50 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 125 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-QFN20 Silicon Labs 1: £0.882 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32I-C-QFN20 Mouser Part No 634-EFM852F32ICQFN20	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	Non-Stocked Lead-Time 24 Weeks	£0.882 £0.636 £0.572 £0.503 View £0.471 £0.45 £0.437 £0.416 £0.406	Min.: 1 Mult.: 1	SMD/SMT	QFN-20		32 kB				16 I/O	2.3 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Cut Tape
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3444LTI-119 Infineon Technologies 1,300: £5.24 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3444LTI-119 Mouser Part No 727-CY8C3444LTI-119	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	£5.24 View Quote	Min.: 1,300 Mult.: 1,300	SMD/SMT	QFN-48	8051	16 kB	8 bit	12 bit	50 MHz	29 I/O	2 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F32G-C-TSSOP28R Silicon Labs 2,500: £0.501 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-TSSOP28R Mouser Part No 634-EFM852F32GTOP28R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 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	Reel £0.501 £0.489	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-28		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-SOIC16 Silicon Labs 1: £0.743 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F4G-A-SOIC16 Mouser Part No 634-M8BB50F4GASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	£0.743 £0.535 £0.482 £0.423 View £0.396 £0.379 £0.368 £0.351 £0.342	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16		4 kB	8 bit	12 bit	50 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F8I-A-QFN12R Silicon Labs 3,000: £0.329 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8I-A-QFN12R Mouser Part No 634-M8BB50F8IAQFN12R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 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 £0.329 £0.32	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	QFN-12		8 kB	8 bit	12 bit	50 MHz	9 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 125 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F8I-A-QFN12 Silicon Labs 1: £0.691 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8I-A-QFN12 Mouser Part No 634-M8BB50F8IAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 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	£0.691 £0.501 £0.452 £0.397 View £0.372 £0.356 £0.345 £0.329 £0.32	Min.: 1 Mult.: 1	SMD/SMT	QFN-12		8 kB	8 bit	12 bit	50 MHz	9 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 125 C		Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GMR Silicon Labs 1: £6.56 1,408In Stock	Mfr. Part No. C8051F336-GMR Mouser Part No 634-C8051F336-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	1,408In Stock	Cut Tape £6.56 £5.67 £5.26 £5.18 Reel £4.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	8051	16 kB	8 bit	10 bit	25 MHz	17 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666AXI-037 Infineon Technologies 180: £9.14 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3666AXI-037 Mouser Part No 727-CY8C3666AXI-037	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	£9.14 £8.63 £8.51 Quote Quote	Min.: 180 Mult.: 180	SMD/SMT	TQFP-100	8051	64 kB	8 bit	12 bit	67 MHz	70 I/O	8 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-SOIC16R Silicon Labs 2,500: £0.351 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F4G-A-SOIC16R Mouser Part No 634-M8BB50F4GASIC16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 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.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	SOIC-16		4 kB	8 bit	12 bit	50 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN24 Silicon Labs 2,520: £0.834 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	£0.834	Min.: 2,520 Mult.: 2,520	SMD/SMT	QFN-24	CIP-51 8051	32 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F16G-B-QFN24R Silicon Labs 1,500: £0.871 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8SB20F16G-B-QFN24R Mouser Part No 634-EFM8SB16GBQFN24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £0.871 £0.849	Min.: 1,500 Mult.: 1,500 : 1,500	SMD/SMT		CIP-51 8051	16 kB	8 bit	10 bit	25 MHz	16 I/O	4.25 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666AXI-036 Infineon Technologies 180: £9.36 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3666AXI-036 Mouser Part No 727-CY8C3666AXI-036	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	£9.36 £8.83 £8.71 View Quote	Min.: 180 Mult.: 180	SMD/SMT	TQFP-100	8051	64 kB	8 bit	12 bit	67 MHz	28 I/O	8 kB	1.71 V	1.89 V		+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-QFN20R Silicon Labs 1: £0.743 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8G-C-QFN20R Mouser Part No 634-EFM851F8GCQFN20R	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	Cut Tape £0.743 £0.535 £0.482 £0.423 Reel £0.351 View £0.396 £0.379 £0.368 £0.342	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP28R Silicon Labs 2,500: £0.512 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32I-C-TSSOP28R Mouser Part No 634-EFMB52F32ITOP28R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 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	Reel £0.512 £0.499	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-28		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-TSSOP20R Silicon Labs 2,500: £0.49 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-TSSOP20R Mouser Part No 634-EFM852F32GTOP20R	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	Non-Stocked Lead-Time 24 Weeks	Reel £0.49 £0.478	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F413-GMR Silicon Labs 1: £10.65 391In Stock NRND	Mfr. Part No. C8051F413-GMR Mouser Part No 634-C8051F413-GMR NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU	Datasheet	391In Stock	Cut Tape £10.65 £8.34 £7.76 £7.13 View Reel £6.01 £7.05 £6.64 £6.01	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	16 kB	8 bit	12 bit	50 MHz	20 I/O	2.31 kB	2 V	5.25 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F32G-C-TSSOP28 Silicon Labs 1: £1.03 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-TSSOP28 Mouser Part No 634-EFM852F32GCTOP28	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 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	£1.03 £0.743 £0.678 £0.60 View £0.561 £0.539 £0.515 £0.501 £0.489	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-28		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 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 EFM8BB51F8I-C-QFN20R Silicon Labs 2,500: £0.383 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8I-C-QFN20R Mouser Part No 634-EFM851F8ICQFN20R	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 £0.383 £0.375	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F507-IM Silicon Labs 1: £4.64 583In Stock NRND	Mfr. Part No. C8051F507-IM Mouser Part No 634-C8051F507-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU	Datasheet	583In Stock	£4.64	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	32 kB	8 bit	12 bit	50 MHz	25 I/O	4.25 kB	1.8 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16G-C-TSSOP28R Silicon Labs 2,500: £0.436 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16G-C-TSSOP28R Mouser Part No 634-EFM852F16GTOP28R	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	Reel £0.436 £0.425	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	TSSOP-28		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN32R Silicon Labs 2,500: £0.89 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	Reel £0.89	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	32 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8I-A-QFN20R Silicon Labs 2,500: £0.512 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F8I-A-QFN20R Mouser Part No 634-M8BB10F8IAQFN20R	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	Non-Stocked Lead-Time 12 Weeks	Reel £0.512 £0.499	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 125 C		Reel
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: £1.60 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	£1.60 £1.18 £1.07 £0.96 View £0.899 £0.871 £0.834	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	16 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8A-A-QFN20R Silicon Labs 2,500: £0.995 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F8A-A-QFN20R Mouser Part No 634-M8BB10F8AAQFN20R	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	Non-Stocked Lead-Time 12 Weeks	Reel £0.995 £0.969	Min.: 2,500 Mult.: 2,500 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Reel