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8051 Core 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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 Single Cycle 8051 4K ISP FL AT89LP51-20AU Microchip Technology 1: 1,48 € 130In Stock 480Expected 10/23/2026	Mfr. Part No. AT89LP51-20AU Mouser Part No 556-AT89LP51-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL Learn More about Microchip Technology atmelat89lp52	Datasheet	130In Stock 480Expected 10/23/2026	1,48 € 1,34 € 1,23 €	Min.: 1 Mult.: 1	8051	4 kB	256 B	TQFP-44	20 MHz	No ADC	36 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20PU Microchip Technology 1: 5,07 € 140In Stock	Mfr. Part No. AT89LP51ED2-20PU Mouser Part No 556-AT89LP51ED2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	140In Stock	5,07 € 4,64 € 4,21 €	Min.: 1 Mult.: 1	8051	64 kB	256 B	PDIP-40	20 MHz	10 bit	40 I/O	2.4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20PU Microchip Technology 1: 4,59 € 59In Stock 150Expected 10/23/2026	Mfr. Part No. AT89LP51RD2-20PU Mouser Part No 556-AT89LP51RD2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	59In Stock 150Expected 10/23/2026	4,59 € 4,23 € 3,82 €	Min.: 1 Mult.: 1	8051	64 kB	256 B	PDIP-40	20 MHz	10 bit	40 I/O	2.4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F340-GQ Silicon Labs 1: 20,17 € 9In Stock 2.500Expected 10/6/2026	Mfr. Part No. C8051F340-GQ Mouser Part No 634-C8051F340-GQ	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU	Datasheet	9In Stock 2.500Expected 10/6/2026	20,17 € 16,33 € 15,15 € 14,27 € View 13,69 € 13,41 € Quote	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	TQFP-48	48 MHz	10 bit	40 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F340		Tray
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU C8051F351-GMR Silicon Labs 1: 13,44 € 97In Stock	Mfr. Part No. C8051F351-GMR Mouser Part No 634-C8051F351-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU	Datasheet	97In Stock	Cut Tape 13,44 € 10,72 € 9,73 € 9,10 € View Reel 7,96 € 9,06 € 8,50 € 8,20 € 7,96 € Quote	Min.: 1 Mult.: 1 : 1.500	8051	8 kB	768 B	QFN-28	50 MHz	24 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F351		Reel, Cut Tape
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM) C8051F381-GMR Silicon Labs 1: 6,19 € 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 6,19 € 4,88 € 4,39 € 4,08 € Reel 3,59 € View 3,97 € 3,78 € 3,62 € 3,54 €	Min.: 1 Mult.: 1 : 1.500	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 C8051F387-GM Silicon Labs 1: 5,01 € 308In Stock	Mfr. Part No. C8051F387-GM Mouser Part No 634-C8051F387-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	308In Stock	5,01 € 4,16 € 3,57 € 3,41 € View 3,08 € 2,92 € 2,90 € 2,88 € Quote	Min.: 1 Mult.: 1	8051	32 kB	2.3 kB	QFN-32	48 MHz		25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F387		Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20 C8051F392-A-GMR Silicon Labs 1: 3,48 € 72In Stock	Mfr. Part No. C8051F392-A-GMR Mouser Part No 634-C8051F392-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20	Datasheet	72In Stock	Cut Tape 3,48 € 3,07 € 2,61 € 2,22 € Reel 1,92 € View 2,15 € 2,05 € 1,95 € 1,91 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500	8051	16 kB	1 kB	QFN-20	50 MHz	10 bit	17 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F392		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F550-IM Silicon Labs 1: 7,74 € 222In Stock 1.911Expected 10/2/2026	Mfr. Part No. C8051F550-IM Mouser Part No 634-C8051F550-IM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	222In Stock 1.911Expected 10/2/2026	7,74 € 6,19 € 5,51 € 5,15 € View 5,02 € 4,69 € 4,62 € 4,49 € Quote	Min.: 1 Mult.: 1	8051	32 kB	2.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F550	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-GMR Silicon Labs 1: 2,43 € 309In Stock	Mfr. Part No. C8051F850-C-GMR Mouser Part No 634-C8051F850-C-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	309In Stock	Cut Tape 2,43 € 1,90 € 1,53 € 1,45 € Reel 1,22 € View 1,41 € 1,25 € 1,20 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500	8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F850		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244AXI-153 Infineon Technologies 1: 9,70 € 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	9,70 € 7,55 € 6,85 € 5,51 € View 5,49 € 5,14 € 5,01 € Quote	Min.: 1 Mult.: 1	8051	16 kB	2 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3244		Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3445PVI-094 Infineon Technologies 1: 10,61 € 134In Stock	Mfr. Part No. CY8C3445PVI-094 Mouser Part No 727-CY8C3445PVI-094	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	134In Stock	10,61 € 9,48 € 7,33 € 7,24 € View 6,96 € 6,46 € 6,30 € Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	SSOP-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3445		Tube
8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O CY8C3446AXI-099T Infineon Technologies 1: 14,30 € 113In Stock	Mfr. Part No. CY8C3446AXI-099T Mouser Part No 727-CY8C3446AXI-099T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	113In Stock	Cut Tape 14,30 € 11,21 € 10,10 € 9,55 € View Reel 8,08 € 9,30 € 8,70 € 8,18 € 8,08 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.500	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	72 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3446		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU C8051F005-GQ Silicon Labs 1: 30,41 € 327In Stock 800Expected 1/8/2027 End of Life	Mfr. Part No. C8051F005-GQ Mouser Part No 634-C8051F005-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU	Datasheet	327In Stock 800Expected 1/8/2027	30,41 € 25,40 € 22,95 € 21,67 € Quote Quote	Min.: 1 Mult.: 1	8051	32 kB	2.25 kB	TQFP-64	25 MHz	12 bit	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F005		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU C8051F005-GQR Silicon Labs 1: 27,40 € 234In Stock End of Life	Mfr. Part No. C8051F005-GQR Mouser Part No 634-C8051F005-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU	Datasheet	234In Stock	Cut Tape 27,40 € 25,19 € 19,58 € Reel 19,57 €	Min.: 1 Mult.: 1 : 500	8051	32 kB	2.25 kB	TQFP-64	25 MHz	12 bit	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F005		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQR Silicon Labs 1: 36,13 € 379In Stock End of Life	Mfr. Part No. C8051F021-GQR Mouser Part No 634-C8051F021-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	379In Stock	Cut Tape 36,13 € 29,50 € 27,47 € 26,85 € 24,38 € Reel 24,37 € MouseReel Available	Min.: 1 Mult.: 1 : 500	8051	64 kB	4.35 kB	TQFP-64	25 MHz	8 bit, 12 bit	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F021		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU C8051F120-GQR Silicon Labs 1: 43,80 € 339In Stock End of Life	Mfr. Part No. C8051F120-GQR Mouser Part No 634-C8051F120-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU	Datasheet	339In Stock	Cut Tape 43,80 € 36,36 € Reel 36,36 € View Quote	Min.: 1 Mult.: 1 : 250	8051	128 kB	8.25 kB	TQFP-100	100 MHz	8 bit, 12 bit	64 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F120		Reel, Cut Tape
8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU C8051F124-GQ Silicon Labs 1: 38,42 € 50In Stock 1.350Expected 12/4/2026 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	50In Stock 1.350Expected 12/4/2026	38,42 € 34,44 € 32,12 € 31,25 €	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 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F500-IM Silicon Labs 1: 11,30 € 181In Stock End of Life	Mfr. Part No. C8051F500-IM Mouser Part No 634-C8051F500-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU	Datasheet	181In Stock	11,30 € 9,85 € 8,24 € 7,57 € View 7,53 € 7,28 € 7,18 € Quote	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-48	50 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F500	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU C8051F530-C-IM Silicon Labs 1: 4,97 € 793In Stock End of Life	Mfr. Part No. C8051F530-C-IM Mouser Part No 634-C8051F530-C-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU	Datasheet	793In Stock	4,97 € 3,78 € 3,49 € 3,16 € View 3,01 € 2,97 € 2,92 €	Min.: 1 Mult.: 1	8051	8 kB	256 B	QFN-20	25 MHz	12 bit	16 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F530	AEC-Q100	Tube
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F920-G-GMR Silicon Labs 1: 4,03 € 1.313In Stock End of Life	Mfr. Part No. C8051F920-G-GMR Mouser Part No 634-C8051F920-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	1.313In Stock	Cut Tape 4,03 € 3,35 € 3,11 € 2,80 € Reel 2,36 € View 2,64 € 2,56 € 2,39 € 2,31 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500	8051	32 kB	4.25 kB	QFN-32	25 MHz	10 bit	24 I/O	900 mV	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24 C8051F921-G-GMR Silicon Labs 1: 3,71 € 996In Stock End of Life	Mfr. Part No. C8051F921-G-GMR Mouser Part No 634-C8051F921-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	996In Stock	Cut Tape 3,71 € 2,91 € 2,64 € 2,41 € View Reel 2,07 € 2,22 € 2,20 € 2,13 € 2,07 €	Min.: 1 Mult.: 1 : 1.500	8051	32 kB	4.25 kB	QFN-24	25 MHz	10 bit	16 I/O	900 mV	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU MICRO HS 44PLCC 25MHZ IND T&R PB-FR DS80C310-QNG+ Analog Devices / Maxim Integrated 1: 34,38 € 46In Stock	Mfr. Part No. DS80C310-QNG+ Mouser Part No 700-DS80C310-QNG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU MICRO HS 44PLCC 25MHZ IND T&R PB-FR Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	46In Stock	34,38 € 28,96 € 27,65 € 23,21 € View 22,76 € 22,52 € 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	- 40 C	+ 85 C	DS80C310		Tube
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-ECG+ Analog Devices / Maxim Integrated 1: 36,54 € 130In Stock	Mfr. Part No. DS80C320-ECG+ Mouser Part No 700-DS80C320-ECG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	130In Stock	36,54 € 30,63 € 27,80 € 26,33 €	Min.: 1 Mult.: 1 Max.: 104	8051	64 kB	256 B	TQFP-44	25 MHz	No ADC	32 I/O	4.5 V	5.5 V	SMD/SMT	8 bit	0 C	+ 70 C	DS80C320		Tray
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-MCG+ Analog Devices / Maxim Integrated 1: 28,79 € 128In Stock	Mfr. Part No. DS80C320-MCG+ Mouser Part No 700-DS80C320-MCG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	128In Stock	28,79 € 22,51 € 21,50 € 19,54 €	Min.: 1 Mult.: 1 Max.: 102	8051	64 kB	256 B	PDIP-40	25 MHz	No ADC	32 I/O	4.5 V	5.5 V	Through Hole	8 bit	0 C	+ 70 C	DS80C320		Tube