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8051 microcontroller Embedded Processors & Controllers

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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.	Product Type	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: £17.25 2,034In Stock	Mfr. Part No. CY8C3866LTI-068 Mouser Part No 727-CY8C3866LTI-068	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2,034In Stock	£17.25 £13.64 £12.41 £11.83 View £11.44 £11.24 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	31 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F8G-A-QFN12 Silicon Labs 1: £0.713 10,835In Stock	Mfr. Part No. EFM8BB50F8G-A-QFN12 Mouser Part No 634-M8BB50F8GAQFN12	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	10,835In Stock	£0.713 £0.502 £0.485 £0.411	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-12		8 bit	50 MHz	8 kB	512 B	12 bit	9 I/O	- 40 C	+ 85 C	Cut Tape
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies 1: £16.88 1,924In Stock	Mfr. Part No. CY8C3866PVI-021 Mouser Part No 727-CY8C3866PVI-021	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	1,924In Stock	£16.88 £14.43 £12.01 £11.61 View £11.59 £10.53 £10.48	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SSOP-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	31 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB20F32G-B-QFN32R Silicon Labs 1: £2.55 10,527In Stock	Mfr. Part No. EFM8UB20F32G-B-QFN32R Mouser Part No 634-EFM8UB32GBQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	10,527In Stock	Cut Tape £2.55 £1.93 £1.76 £1.58 Reel £1.34 View £1.49 £1.47 £1.39 £1.32	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU												Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFP32R Silicon Labs 1: £2.43 9,640In Stock	Mfr. Part No. EFM8BB31F64G-D-QFP32R Mouser Part No 634-EF8BB31F64GDP32R	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	9,640In Stock	Cut Tape £2.43 £1.81 £1.65 £1.48 Reel £1.36 View £1.41 £1.29 £1.26 £1.23	Min.: 1 Mult.: 1 : 500	8-bit Microcontrollers - MCU	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	28 I/O	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20R Silicon Labs 1: £1.07 50,313In Stock	Mfr. Part No. EFM8UB10F8G-C-QFN20R Mouser Part No 634-8UB10F8GCQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	50,313In Stock	Cut Tape £1.07 £0.834 £0.749 £0.698 Reel £0.621 View £0.665 £0.65 £0.596 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	8 kB	2.25 kB	12 bit	13 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN24 Silicon Labs 1: £2.58 12,478In Stock	Mfr. Part No. EFM8LB12F64E-C-QFN24 Mouser Part No 634-LB12F64ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	12,478In Stock	£2.58 £2.01 £1.82 £1.64 View £1.55 £1.52 £1.44 £1.41 £1.37	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	72 MHz	64 kB	4.25 kB	10 bit/12 bit/14 bit	20 I/O	- 40 C	+ 105 C	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN24R Silicon Labs 1: £1.53 8,062In Stock	Mfr. Part No. EFM8BB31F32G-D-QFN24R Mouser Part No 634-EF8BB31F32GDF24R	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	8,062In Stock	Cut Tape £1.53 £1.13 £1.03 £0.917 £0.908 Reel £0.908 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	32 kB	2.3 kB	10 bit, 12 bit	20 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20AU Microchip Technology 1: £8.40 437In Stock	Mfr. Part No. AT89LP6440-20AU Mouser Part No 556-AT89LP6440-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash	Datasheet	437In Stock	£8.40 £8.35 £7.76 £7.73 £7.29	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	64 kB	4.25 kB	10 bit	38 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-027 Infineon Technologies 1: £16.33 147In Stock	Mfr. Part No. CY8C3666LTI-027 Mouser Part No 727-CY8C3666LTI-027	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	147In Stock	£16.33 £13.30 £12.18 £11.62 View £11.29 £10.97 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-68	8051	8 bit	67 MHz	64 kB	8 kB	12 bit	28 I/O		+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN24 Silicon Labs 1: £1.28 1,761In Stock	Mfr. Part No. EFM8SB10F8G-A-QFN24 Mouser Part No 634-8SB10F8GAQF24	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	1,761In Stock	£1.28 £0.986 £0.89 £0.796 View £0.745 £0.716 £0.70 £0.668 £0.653	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	17 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-067 Infineon Technologies 1: £16.42 286In Stock	Mfr. Part No. CY8C3866LTI-067 Mouser Part No 727-CY8C3866LTI-067	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	286In Stock	£16.42 £13.58 £12.21 £11.72 View £11.17 £10.94 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	31 I/O	- 40 C	+ 85 C	Tray
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm SI1060-A-GM Silicon Labs 1: £9.19 2,404In Stock NRND	Mfr. Part No. SI1060-A-GM Mouser Part No 634-SI1060-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	2,404In Stock	£9.19 £7.16 £6.66 £6.12 View £6.06 £5.70 £5.57 Quote	Min.: 1 Mult.: 1	RF Microcontrollers - MCU	SMD/SMT	QFN-36	8051	8 bit	25 MHz	64 kB	4 kB	10 bit	11 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB CY8C3866AXI-040T Infineon Technologies 1: £20.16 549In Stock	Mfr. Part No. CY8C3866AXI-040T Mouser Part No 727-CY8C3866AXI-040T	Infineon Technologies	8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB Learn More about Infineon Technologies cypress psoc	Datasheet	549In Stock	Cut Tape £20.16 £16.22 £14.61 £14.11 View Reel £12.83 £13.84 £13.50 £12.95 £12.83 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-100	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	72 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F4G-A-QFN20R Silicon Labs 1: £0.908 4,518In Stock	Mfr. Part No. EFM8BB10F4G-A-QFN20R Mouser Part No 634-8BB10F4GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	4,518In Stock	Cut Tape £0.908 £0.669 £0.605 £0.535 Reel £0.446 View £0.501 £0.481 £0.46 £0.436 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	4 kB	512 B	12 bit	16 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2G-A-QFN20 Silicon Labs 1: £0.676 15,493In Stock	Mfr. Part No. EFM8BB10F2G-A-QFN20 Mouser Part No 634-8BB10F2GAQF20	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	15,493In Stock	£0.676 £0.519 £0.468 £0.403 View £0.384 £0.36 £0.347 £0.33 £0.317	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN24R Silicon Labs 1: £1.30 5,753In Stock	Mfr. Part No. EFM8BB31F16G-D-QFN24R Mouser Part No 634-EF8BB31F16GDF24R	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	5,753In Stock	Cut Tape £1.30 £0.969 £0.882 £0.78 Reel £0.657 View £0.732 £0.705 £0.701 £0.643	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	20 I/O	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN24 Silicon Labs 1: £1.26 4,302In Stock	Mfr. Part No. EFM8BB31F16G-D-QFN24 Mouser Part No 634-EF8BB31F16GDQF24	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	4,302In Stock	£1.26 £0.96 £0.871 £0.773 View £0.732 £0.705 £0.70 £0.657 £0.643	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	20 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2I-A-QFN20 Silicon Labs 1: £0.766 3,156In Stock	Mfr. Part No. EFM8BB10F2I-A-QFN20 Mouser Part No 634-EFM8BB10F2IAFN20	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	3,156In Stock	£0.766 £0.586 £0.527 £0.464 View £0.433 £0.416 £0.402 £0.383 £0.375	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	- 40 C	+ 125 C	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: £10.76 2,600In Stock	Mfr. Part No. CY8C3246LTI-128 Mouser Part No 727-CY8C3246LTI-128	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2,600In Stock	£10.76 £8.49 £7.57 £7.28 View £6.97 £6.79 £6.63 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	48 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN32R Silicon Labs 1: £0.908 11,275In Stock	Mfr. Part No. EFM8BB52F32I-C-QFN32R Mouser Part No 634-EFM852F32IQFN32R	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	11,275In Stock	Cut Tape £0.908 £0.653 £0.588 £0.518 Reel £0.428 View £0.484 £0.464 £0.448 £0.417	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32				16 kB	1.28 kB		16 I/O	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN32 Silicon Labs 1: £2.76 2,603In Stock	Mfr. Part No. EFM8LB12F64E-C-QFN32 Mouser Part No 634-LB12F64ECQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	2,603In Stock	£2.76 £2.08 £1.90 £1.70 View £1.62 £1.58 £1.50 £1.45 £1.42	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	72 MHz	64 kB	4.25 kB	10 bit/12 bit/14 bit	29 I/O	- 40 C	+ 105 C	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-SOIC16R Silicon Labs 1: £0.969 4,880In Stock	Mfr. Part No. EFM8BB10F8G-A-SOIC16R Mouser Part No 634-8BB10F8GASO16R	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	4,880In Stock	Cut Tape £0.969 £0.702 £0.636 £0.56 Reel £0.468 View £0.526 £0.505 £0.482 £0.457 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	SOIC-16	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	13 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN24R Silicon Labs 1: £2.65 4,089In Stock	Mfr. Part No. EFM8LB12F64E-C-QFN24R Mouser Part No 634-LB12F64ECQFN24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	4,089In Stock	Cut Tape £2.65 £2.01 £1.83 £1.64 Reel £1.39 View £1.55 £1.52 £1.44 £1.37	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	72 MHz	64 kB	4.25 kB	10 bit/12 bit/14 bit	20 I/O	- 40 C	+ 105 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-4QFN24 Silicon Labs 1: £2.25 3,058In 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	3,058In Stock	£2.25 £1.68 £1.53 £1.37 View £1.30 £1.27 £1.21 £1.16 £1.15	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	20 I/O	- 40 C	+ 125 C	Tube