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8051 Core 8 bit Embedded Processors & Controllers

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Core = 8051 Data Bus Width = 8 bit

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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.	Mounting Style	Package/Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V AT80C51RD2-3CSUM Microchip Technology 1: 4,34 € 190In Stock 270Expected 10/5/2026	Mfr. Part No. AT80C51RD2-3CSUM Mouser Part No 556-AT80C51RD2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V	Datasheet	190In Stock 270Expected 10/5/2026	4,34 € 3,98 € 3,95 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
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	SMD/SMT	TQFP-44	8051	36 I/O	8 bit	No ADC
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	Through Hole	PDIP-40	8051	40 I/O	8 bit	10 bit
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	Through Hole	PDIP-40	8051	40 I/O	8 bit	10 bit
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	SMD/SMT	TQFP-48	8051	40 I/O	8 bit	10 bit
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	SMD/SMT	QFN-28	8051	17 I/O	8 bit	24 bit
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	SMD/SMT	QFN-32	8051	25 I/O	8 bit	10 bit
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	SMD/SMT	QFN-32	8051	25 I/O	8 bit
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	SMD/SMT	QFN-20	8051	17 I/O	8 bit	10 bit
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	SMD/SMT	QFN-24	8051	18 I/O	8 bit	12 bit
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	SMD/SMT	QFN-20	8051	16 I/O	8 bit	12 bit
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	SMD/SMT	TQFP-100	8051	70 I/O	8 bit	12 bit
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	SMD/SMT	SSOP-48	8051	29 I/O	8 bit	12 bit
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	SMD/SMT	TQFP-100	8051	72 I/O	8 bit	12 bit
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	SMD/SMT	TQFP-64	8051	32 I/O	8 bit	12 bit
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	SMD/SMT	TQFP-64	8051	32 I/O	8 bit	12 bit
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	SMD/SMT	TQFP-64	8051	32 I/O	8 bit	8 bit, 12 bit
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	SMD/SMT	TQFP-100	8051	64 I/O	8 bit	8 bit, 12 bit
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	SMD/SMT	TQFP-100	8051	64 I/O	8 bit	8 bit, 12 bit
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	SMD/SMT	QFN-48	8051	40 I/O	8 bit	12 bit
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	SMD/SMT	QFN-20	8051	16 I/O	8 bit	12 bit
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	SMD/SMT	QFN-32	8051	24 I/O	8 bit	10 bit
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	SMD/SMT	QFN-24	8051	16 I/O	8 bit	10 bit
Microprocessors - MPU 128k Soft Microprocessor Chip DS5001FP-16N+ Analog Devices / Maxim Integrated 1: 58,44 € 11In Stock	Mfr. Part No. DS5001FP-16N+ Mouser Part No 700-DS5001FP-16N	Analog Devices / Maxim Integrated	Microprocessors - MPU 128k Soft Microprocessor Chip	Datasheet	11In Stock	58,44 € 48,94 € 45,02 € 43,73 € View 42,79 € Quote	Min.: 1 Mult.: 1	SMD/SMT	MQFP-80	8051	32 I/O	8 bit
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	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC