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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 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20 Silicon Labs 1: £1.31 7,587In Stock	Mfr. Part No. EFM8UB10F8G-C-QFN20 Mouser Part No 634-8UB10F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	7,587In Stock	£1.31 £0.96 £0.871 £0.773 View £0.732 £0.705 £0.70 £0.596	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	8 kB	2.25 kB	12 bit	13 I/O	2.2 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24 Silicon Labs 1: £2.25 2,758In Stock	Mfr. Part No. EFM8BB31F64I-D-4QFN24 Mouser Part No 634-EF8BB31F64ID4F24	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	2,758In Stock	£2.25 £1.68 £1.53 £1.37 View £1.30 £1.27 £1.21 £1.16 £1.15	Min.: 1 Mult.: 1	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
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16G-C-TSSOP28 Silicon Labs 1: £0.899 8,033In Stock	Mfr. Part No. EFM8BB52F16G-C-TSSOP28 Mouser Part No 634-EFM852F16GTSOP28	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	8,033In Stock	£0.899 £0.652 £0.591 £0.522 View £0.489 £0.469 £0.448 £0.436 £0.425	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-28				16 kB	1.28 kB		25 I/O	1.8 V	5.5 V	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB CY8C3866PVI-021T Infineon Technologies 1: £17.86 1,000In Stock	Mfr. Part No. CY8C3866PVI-021T Mouser Part No 727-CY8C3866PVI-021T	Infineon Technologies	8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB Learn More about Infineon Technologies cypress psoc	Datasheet	1,000In Stock	Cut Tape £17.86 £14.43 £13.84 £12.20 View Reel £10.25 £11.59 £11.06 £10.25 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SSOP-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit		1.71 V	1.89 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V CY8C3865AXI-019 Infineon Technologies 1: £17.40 220In Stock	Mfr. Part No. CY8C3865AXI-019 Mouser Part No 727-CY8C3865AXI-019	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	220In Stock	£17.40 £13.60 £13.00 £11.81 View £11.17 £10.99 £10.83 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	67 MHz	32 kB	4 kB	20 bit	72 I/O	1.71 V	1.89 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-SOIC16 Silicon Labs 1: £0.899 1,544In Stock	Mfr. Part No. EFM8BB50F16G-A-SOIC16 Mouser Part No 634-M8BB50F16GASIC16	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	1,544In Stock	£0.899 £0.652 £0.591 £0.522 View £0.49 £0.47 £0.449 £0.436 £0.425	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16		8 bit	50 MHz	16 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: £11.20 3,435In Stock	Mfr. Part No. CY8C3446AXI-105 Mouser Part No 727-CY8C3446AXI-105	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	3,435In Stock	£11.20 £8.83 £7.64 £7.39 View £6.70 £6.25	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	70 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-030 Infineon Technologies 1: £12.80 824In Stock	Mfr. Part No. CY8C3866LTI-030 Mouser Part No 727-CY8C3866LTI-030	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	824In Stock	£12.80 £11.08 £10.46 £10.21 £9.99	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	48 I/O	1.71 V	1.89 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8I-A-SOIC16 Silicon Labs 1: £0.969 2,249In Stock	Mfr. Part No. EFM8BB10F8I-A-SOIC16 Mouser Part No 634-8BB10F8I-ASOIC16	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	2,249In Stock	£0.969 £0.734 £0.664 £0.588 View £0.55 £0.528 £0.505 £0.49 £0.478	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	13 I/O	2.2 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666AXI-052 Infineon Technologies 1: £13.10 336In Stock	Mfr. Part No. CY8C3666AXI-052 Mouser Part No 727-CY8C3666AXI-052	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	336In Stock	£13.10 £10.39 £9.01 £8.72 View £8.27 £8.26 £8.25 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	67 MHz	64 kB	8 kB	12 bit	70 I/O	1.71 V	1.89 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: £11.70 620In Stock	Mfr. Part No. CY8C3246AXI-138 Mouser Part No 727-CY8C3246AXI-138	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	620In Stock	£11.70 £9.25 £8.00 £7.73 View £7.14 £7.13 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	72 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8A-A-QFN24 Silicon Labs 1: £2.62 1,519In Stock	Mfr. Part No. EFM8SB10F8A-A-QFN24 Mouser Part No 634-FM8SB10F8AAQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1,519In Stock	£2.62 £1.96 £1.75 £1.60 View £1.52 £1.48 £1.44 £1.40 £1.37	Min.: 1 Mult.: 1	SMD/SMT		CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	17 I/O	1.8 V	3.6 V	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN16 Silicon Labs 1: £0.623 352In Stock	Mfr. Part No. EFM8BB50F4G-A-QFN16 Mouser Part No 634-M8BB50F4GAQFN16	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	352In Stock	£0.623 £0.534 £0.471 £0.421 View £0.32 £0.306 £0.293 £0.285	Min.: 1 Mult.: 1	SMD/SMT	QFN-16		8 bit	50 MHz	4 kB	512 B	12 bit	12 I/O	1.8 V	5.5 V	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFP32 Silicon Labs 1: £2.34 5,134In Stock NRND	Mfr. Part No. EFM8BB31F64G-D-QFP32 Mouser Part No 634-EF8BB31F64GDQP32 NRND	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	5,134In Stock	£2.34 £1.81 £1.65 £1.48 View £1.41 £1.37 £1.30 £1.26 £1.23	Min.: 1 Mult.: 1	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	28 I/O	2.2 V	3.6 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F64G-B-QFN24R Silicon Labs 1: £2.26 1,500In Stock	Mfr. Part No. EFM8SB20F64G-B-QFN24R Mouser Part No 634-EFM8SB64GBQFN24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1,500In Stock	Cut Tape £2.26 £1.69 £1.55 £1.39 Reel £1.17 View £1.32 £1.28 £1.22 £1.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT		CIP-51 8051	8 bit	25 MHz	64 kB	4.25 kB	10 bit	16 I/O	1.8 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244AXI-153 Infineon Technologies 1: £8.47 33In Stock	Mfr. Part No. CY8C3244AXI-153 Mouser Part No 727-CY8C3244AXI-153	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	33In Stock	£8.47 £6.59 £5.98 £4.81 View £4.79 £4.49 £4.37 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	16 kB	2 kB	12 bit	70 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20JU Microchip Technology 1: £2.60 404In Stock	Mfr. Part No. AT89LP51-20JU Mouser Part No 556-AT89LP51-20JU	Microchip Technology	8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL Learn More about Microchip Technology atmelat89lp52	Datasheet	404In Stock	£2.60 £2.44 £2.43	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	20 MHz	4 kB	256 B	No ADC	36 I/O	2.4 V	5.5 V	+ 85 C		Tube
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm SI1061-A-GM Silicon Labs 1: £8.50 2,389In Stock NRND	Mfr. Part No. SI1061-A-GM Mouser Part No 634-SI1061-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	2,389In Stock	£8.50 £6.70 £6.20 £5.72 View £5.40 £5.29 £5.18 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-36	8051	8 bit	25 MHz	32 kB	4 kB	10 bit	11 I/O	1.8 V	3.6 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFP32R Silicon Labs 1: £1.97 477In Stock	Mfr. Part No. EFM8BB31F32G-D-QFP32R Mouser Part No 634-EF8BB31F32GDP32R	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	477In Stock	Cut Tape £1.97 £1.47 £1.34 £1.20 Reel £1.09 View £1.13 £1.05 £1.04 £0.995	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	32 kB	2.3 kB	10 bit, 12 bit	28 I/O	2.2 V	3.6 V	+ 85 C		Reel, 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-QFN20R Silicon Labs 1: £0.882 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32I-C-QFN20R Mouser Part No 634-EFM852F32IQFN20R	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	Cut Tape £0.882 £0.636 £0.573 £0.504 Reel £0.416 View £0.471 £0.451 £0.437 £0.406	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-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 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN32 Silicon Labs 1: £1.73 457In Stock	Mfr. Part No. EFM8BB31F32G-D-QFN32 Mouser Part No 634-EF8BB31F32GDQN32	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	457In Stock	£1.73 £1.27 £1.16 £1.04 View £0.986 £0.943 £0.917 £0.89 £0.863	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	8 bit	50 MHz	32 kB	2.3 kB	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: £7.84 586In Stock	Mfr. Part No. CY8C3246PVI-122 Mouser Part No 727-CY8C3246PVI-122	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	586In Stock	£7.84 £6.93 £5.36 £4.85 View £4.40 £4.39 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F64G-B-QFN24 Silicon Labs 1: £2.28 2,654In Stock NRND	Mfr. Part No. EFM8SB20F64G-B-QFN24 Mouser Part No 634-EFM8SBF64GBQFN24 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	2,654In Stock	£2.28 £1.75 £1.55 £1.41 View £1.37 £1.31 £1.27 £1.26	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	8 bit	25 MHz	64 kB	4.25 kB	10 bit	16 I/O	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN32 Silicon Labs 1: £0.728 1,681In Stock	Mfr. Part No. EFM8BB52F32G-C-QFN32 Mouser Part No 634-EFM852F32GCQFN32	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	1,681In Stock	£0.728 £0.519 £0.468 £0.411 View £0.383 £0.368 £0.356 £0.352	Min.: 1 Mult.: 1	SMD/SMT	QFN-32				32 kB	2.25 kB		16 I/O	1.8 V	5.5 V	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-5QFN32 Silicon Labs 1: £2.38 1,354In Stock End of Life	Mfr. Part No. EFM8BB31F64I-D-5QFN32 Mouser Part No 634-EF8BB31F64ID5F32 End of Life	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	1,354In Stock	£2.38 £1.78 £1.63 £1.46 View £1.38 £1.35 £1.27 £1.23 £1.20	Min.: 1 Mult.: 1	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