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8051 Core 8-bit 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.	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 High-Speed Microcontroller DS80C310-MCG+ Analog Devices / Maxim Integrated 1: £24.84 60In Stock	Mfr. Part No. DS80C310-MCG+ Mouser Part No 700-DS80C310-MCG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed Microcontroller Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	60In Stock	£24.84 £20.91 £19.97 £17.86 View £16.54 £16.30 Quote	Min.: 1 Mult.: 1	8051	64 kB	256 B	PDIP-40	25 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	0 C	+ 70 C	DS80C310		Tube
8-bit Microcontrollers - MCU High-Speed Microcontroller DS80C310-QCG+ Analog Devices / Maxim Integrated 1: £23.33 13In Stock	Mfr. Part No. DS80C310-QCG+ Mouser Part No 700-DS80C310-QCG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed Microcontroller Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	13In Stock	£23.33 £18.25 £17.43 £14.95 View £14.54 £14.18 Quote	Min.: 1 Mult.: 1	8051	64 kB	256 B	PLCC-44	25 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	0 C	+ 70 C	DS80C310		Tube
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-MCL+ Analog Devices / Maxim Integrated 1: £31.25 5In Stock	Mfr. Part No. DS80C320-MCL+ Mouser Part No 700-DS80C320-MCL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	5In Stock	£31.25 £26.30 £25.12 £21.46 View £20.86 £20.61 Quote	Min.: 1 Mult.: 1	8051	64 kB	256 B	PDIP-40	33 MHz	No ADC	32 I/O	4.5 V	5.5 V	Through Hole	8 bit	0 C	+ 70 C	DS80C320		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F506-IM Silicon Labs 1: £8.66 6In Stock NRND	Mfr. Part No. C8051F506-IM Mouser Part No 634-C8051F506-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	6In Stock	£8.66 £6.78 £6.31 £5.80 View £5.74 £5.40 £5.28 Quote	Min.: 1 Mult.: 1	8051	32 kB	4.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F506	AEC-Q100	Tube
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL AT89LP3240-20AU Microchip Technology 1: £7.87 60In Stock	Mfr. Part No. AT89LP3240-20AU Mouser Part No 556-AT89LP3240-20AU	Microchip Technology	8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL	Datasheet	60In Stock	£7.87 £7.25 £7.22	Min.: 1 Mult.: 1	8051	32 kB	4.25 kB	TQFP-44	20 MHz	10 bit	38 I/O	2.4 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM) C8051F381-GMR Silicon Labs 1: £5.45 60In Stock	Mfr. Part No. C8051F381-GMR Mouser Part No 634-C8051F381-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)	Datasheet	60In Stock	Cut Tape £5.45 £4.21 £3.88 £3.54 View Reel £3.03 £3.29 £3.28 £3.19 £3.03	Min.: 1 Mult.: 1 : 2,500	8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F381		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F383-GM Silicon Labs 1: £4.53 3In Stock NRND	Mfr. Part No. C8051F383-GM Mouser Part No 634-C8051F383-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	3In Stock	£4.53 £3.47 £3.20 £2.92 View £2.78 £2.70 £2.65	Min.: 1 Mult.: 1	8051	32 kB	2.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F383		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU C8051F313-GMR Silicon Labs 1: £7.24 Lead-Time 16 Weeks	Mfr. Part No. C8051F313-GMR Mouser Part No 634-C8051F313-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU	Datasheet	Lead-Time 16 Weeks	Cut Tape £7.24 £5.63 £5.23 £4.79 £4.54 Reel £4.46	Min.: 1 Mult.: 1 : 2,500	8051	8 kB	1.25 kB	QFN-24	25 MHz	10 bit	25 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F313		Reel, Cut Tape
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM) C8051F330-GMR Silicon Labs 1: £7.89 4,063On Order NRND	Mfr. Part No. C8051F330-GMR Mouser Part No 634-C8051F330-GMR NRND	Silicon Labs	8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)	Datasheet	4,063On Order On Order Ship Dates Mfr. No: C8051F330-GMR Stock: 0 On Order: 1,063 Pending 3,000 Expected 11/06/2027 Factory Lead Time: 21 Weeks	Cut Tape £7.89 £6.27 £5.66 £5.28 View Reel £4.74 £5.14 £4.85 £4.74 £4.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	8 kB	768 B	QFN-20	25 MHz	10 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F330		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 100 MHz 32 kB MAC 8-bit MCU C8051F362-C-GM Silicon Labs 1: £11.72 1,431Expected 15/01/2027 NRND	Mfr. Part No. C8051F362-C-GM Mouser Part No 634-C8051F362-C-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 100 MHz 32 kB MAC 8-bit MCU	Datasheet	1,431Expected 15/01/2027	£11.72 £9.42 £8.50 £7.98 View £7.94 £7.48 £7.25 Quote	Min.: 1 Mult.: 1	8051	32 kB	1 kB	QFN-28	100 MHz	10 bit	25 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-RDTUM Microchip Technology 1: £8.28 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51CC03CA-RDTUM Mouser Part No 556-A89C51C03CARDTUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	£8.28 £7.60 £6.89	Min.: 1 Mult.: 1	8051	64 kB	2 kB	VQFP-64	60 MHz	10 bit	36 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20JU Microchip Technology 1: £4.44 999Expected 21/12/2026	Mfr. Part No. AT89LP51ED2-20JU Mouser Part No 556-AT89LP51ED2-20JU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	999Expected 21/12/2026	£4.44 £4.06 £3.68	Min.: 1 Mult.: 1	8051	64 kB	256 B	PLCC-44	20 MHz	10 bit	40 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 C8051F390-A-GMR Silicon Labs 1: £3.27 1,497On Order	Mfr. Part No. C8051F390-A-GMR Mouser Part No 634-C8051F390-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24	Datasheet	1,497On Order	Cut Tape £3.27 £2.47 £2.27 £2.04 View Reel £1.77 £1.94 £1.93 £1.81 £1.77 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	16 kB	1 kB	QFN-24	50 MHz	10 bit	21 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F390		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16 C8051F860-C-GSR Silicon Labs 1: £2.23 3,674On Order	Mfr. Part No. C8051F860-C-GSR Mouser Part No 634-C8051F860-C-GSR	Silicon Labs	8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	3,674On Order On Order Ship Dates Mfr. No: C8051F860-C-GSR Stock: 0 On Order: 1,174 Expected 27/10/2026 2,500 Expected 25/12/2026 Factory Lead Time: 12 Weeks	Cut Tape £2.23 £1.75 £1.55 £1.42 View Reel £1.10 £1.39 £1.31 £1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	8 kB	512 B	SOIC-16	25 MHz	12 bit	13 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F860		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU C8051F124-GQ Silicon Labs 1: £36.36 1,102Expected 04/12/2026 End of Life	Mfr. Part No. C8051F124-GQ Mouser Part No 634-C8051F124-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU	Datasheet	1,102Expected 04/12/2026	£36.36 £29.72 £28.06 £27.27 £25.35	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	TQFP-100	50 MHz	8 bit, 12 bit	64 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F124		Tray
8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20 C8051F530A-IT Silicon Labs 1: £4.92 3,854Expected 01/01/2027 End of Life	Mfr. Part No. C8051F530A-IT Mouser Part No 634-C8051F530A-IT End of Life	Silicon Labs	8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20	Datasheet	3,854Expected 01/01/2027	£4.92 £3.78 £3.28 £3.03 £2.92	Min.: 1 Mult.: 1	8051	8 kB	256 B	TSSOP-20	25 MHz	12 bit	16 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F530A		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU C8051F353-GM Silicon Labs 1: £9.13 1,533Expected 04/12/2026 NRND	Mfr. Part No. C8051F353-GM Mouser Part No 634-C8051F353-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	1,533Expected 04/12/2026	£9.13 £7.15 £6.65 £6.11 View £6.05 £5.69 £5.56 Quote	Min.: 1 Mult.: 1	8051	8 kB	768 B	QFN-28	50 MHz	16 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F353		Tube
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24AU Microchip Technology 1: £1.70 5,594On Order	Mfr. Part No. AT89S52-24AU Mouser Part No 556-A89S52-24AU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	5,594On Order On Order Ship Dates Mfr. No: AT89S52-24AU Stock: 0 On Order: 2,394 Expected 18/01/2027 3,200 Expected 26/01/2027 Factory Lead Time: 19 Weeks	£1.70 £1.56 £1.42	Min.: 1 Mult.: 1	8051	8 kB	256 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AU Microchip Technology 1: £4.23 1,344Expected 11/01/2027	Mfr. Part No. AT89LP51ED2-20AU Mouser Part No 556-AT89LP51ED2-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	1,344Expected 11/01/2027	£4.23 £3.87 £3.51	Min.: 1 Mult.: 1	8051	64 kB	256 B	TQFP-44	20 MHz	10 bit	36 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM) C8051F300-GMR Silicon Labs 1: £5.53 1,400Expected 27/11/2026	Mfr. Part No. C8051F300-GMR Mouser Part No 634-C8051F300-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)	Datasheet	1,400Expected 27/11/2026	Cut Tape £5.53 £4.37 £3.92 £3.64 View Reel £3.24 £3.55 £3.43 £3.27 £3.24 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	8 kB	256 B	QFN-11	25 MHz	8 bit	8 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F300		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM) C8051F301-GMR Silicon Labs 1: £5.44 3,000Expected 27/11/2026	Mfr. Part No. C8051F301-GMR Mouser Part No 634-C8051F301-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)	Datasheet	3,000Expected 27/11/2026	Cut Tape £5.44 £4.29 £3.85 £3.58 View Reel £3.05 £3.49 £3.33 £3.05 £3.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	8 kB	256 B	QFN-11	25 MHz	No ADC	8 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F301		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V AT89C4051-12SU Microchip Technology 1: £1.13 552On Order	Mfr. Part No. AT89C4051-12SU Mouser Part No 556-A89C405112SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V	Datasheet	552On Order	£1.13 £1.04 £0.934	Min.: 1 Mult.: 1	8051	4 kB	128 B	SOIC-20	12 MHz	No ADC	15 I/O	2.7 V	6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU 20K FLASH - 24MHZ AT89C55WD-24AU Microchip Technology 1: £2.37 313Expected 28/10/2026	Mfr. Part No. AT89C55WD-24AU Mouser Part No 556-A89C55WD-24AU	Microchip Technology	8-bit Microcontrollers - MCU 20K FLASH - 24MHZ	Datasheet	313Expected 28/10/2026	£2.37 £2.20	Min.: 1 Mult.: 1	8051	20 kB	256 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	AT89C55WD		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: £10.24 370Expected 25/06/2027 End of Life	Mfr. Part No. C8051F508-IM Mouser Part No 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 25/06/2027	£10.24 £8.02 £7.47 £6.86 View £6.79 £6.57	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-40	50 MHz	12 bit	33 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F508	AEC-Q100	Tube
8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051 ML51LD1AE Nuvoton 1: £2.24 500Expected 15/07/2027	Mfr. Part No. ML51LD1AE Mouser Part No 503-ML51LD1AE	Nuvoton	8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051	Datasheet	500Expected 15/07/2027	Cut Tape £2.24 £1.47 £1.33 £1.15 Reel £0.969	Min.: 1 Mult.: 1 : 250	8051	64 kB	4 kB	LQFP-48	24 MHz	12 bit	43 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Reel, Cut Tape