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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 Single-Cycle 805124K ISP Flash,2.4-5.5V AT89LP51RB2-20AAU Microchip Technology 1: 3,30 € 209In Stock	Mfr. Part No. AT89LP51RB2-20AAU Mouser Part No 556-AT89LP51RB220AAU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	209In Stock	3,30 € 3,03 € 2,76 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AAU Microchip Technology 1: 4,39 € 5In Stock	Mfr. Part No. AT89LP51RD2-20AAU Mouser Part No 556-AT89LP51RD220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	5In Stock	4,39 € 4,03 € 3,66 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: 9,71 € 57In Stock	Mfr. Part No. C8051F338-GM Mouser Part No 634-C8051F338-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	9,71 € 7,65 € 7,04 € 6,47 € View 6,19 € 6,02 € 5,87 € 5,59 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	21 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM) C8051F330-GMR Silicon Labs 1: 9,66 € 24In Stock 1 500Expected 16/10/2026 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	24In Stock 1 500Expected 16/10/2026	Cut Tape 9,66 € 7,84 € 6,48 € 6,05 € View Reel 5,43 € 5,89 € 5,56 € 5,43 € 5,43 € 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 8-bit MCU C8051F383-GM Silicon Labs 1: 5,07 € 21In Stock	Mfr. Part No. C8051F383-GM Mouser Part No 634-C8051F383-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	21In Stock	5,07 € 4,37 € 3,59 € 3,33 € View 3,24 € 3,08 € 3,06 € 3,04 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	25 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F506-IM Silicon Labs 1: 9,32 € 6In Stock	Mfr. Part No. C8051F506-IM Mouser Part No 634-C8051F506-IM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	6In Stock	9,32 € 7,28 € 6,77 € 6,21 € View 5,90 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	25 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-149 Infineon Technologies 1: 12,35 € 8In Stock	Mfr. Part No. CY8C3246LTI-149 Mouser Part No 727-CY8C3246LTI-149	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	8In Stock	12,35 € 9,59 € 8,65 € 8,15 € View 7,77 € 7,54 € 7,19 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	46 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O CY8C3246LTI-149T Infineon Technologies 1: 12,50 € 23In Stock	Mfr. Part No. CY8C3246LTI-149T Mouser Part No 727-CY8C3246LTI-149T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	23In Stock	Cut Tape 12,50 € 9,49 € 9,10 € 8,02 € View Reel 7,18 € 7,63 € 7,37 € 7,19 € 7,18 € Quote	Min.: 1 Mult.: 1 : 2 000	SMD/SMT	QFN-68	8051	46 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-085 Infineon Technologies 1: 13,89 € 6In Stock	Mfr. Part No. CY8C3446LTI-085 Mouser Part No 727-CY8C3446LTI-085	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	6In Stock	13,89 € 10,87 € 9,79 € 9,25 € View 8,83 € 8,57 € 8,43 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	48 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQ Silicon Labs 1: 36,03 € 6In Stock End of Life	Mfr. Part No. C8051F021-GQ Mouser Part No 634-C8051F021-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	6In Stock	36,03 € 29,89 € 28,17 € 27,40 € View 27,39 € Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	8051	32 I/O	8 bit	8 bit, 12 bit
8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU C8051F022-GQ Silicon Labs 1: 32,28 € 7In Stock End of Life	Mfr. Part No. C8051F022-GQ Mouser Part No 634-C8051F022-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU	Datasheet	7In Stock	32,28 € 25,15 € 23,28 € 23,15 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	64 I/O	8 bit	8 bit, 10 bit
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU C8051F043-GQ Silicon Labs 1: 23,05 € 6In Stock End of Life	Mfr. Part No. C8051F043-GQ Mouser Part No 634-C8051F043-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU	Datasheet	6In Stock	23,05 € 18,15 € 17,05 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	8051	32 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU C8051F132-GQ Silicon Labs 1: 26,02 € 60In Stock End of Life	Mfr. Part No. C8051F132-GQ Mouser Part No 634-C8051F132-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU	Datasheet	60In Stock	26,02 € 22,90 € 20,67 € 19,68 € View 18,47 € 18,26 € Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	64 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU C8051F503-IM Silicon Labs 1: 9,47 € 44In Stock End of Life	Mfr. Part No. C8051F503-IM Mouser Part No 634-C8051F503-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU	Datasheet	44In Stock	9,47 € 7,39 € 6,87 € 6,30 € View 5,99 € 5,87 € 5,56 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	25 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU C8051F581-IM Silicon Labs 1: 13,54 € 106In Stock End of Life	Mfr. Part No. C8051F581-IM Mouser Part No 634-C8051F581-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	106In Stock	13,54 € 10,60 € 9,87 € 9,06 € View 8,98 € 8,85 € 8,75 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	40 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F930-G-GM Silicon Labs 1: 4,82 € 45In Stock End of Life	Mfr. Part No. C8051F930-G-GM Mouser Part No 634-C8051F930-G-GM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	45In Stock	4,82 € 3,82 € 3,41 € 3,16 € View 3,08 € 2,92 € 2,91 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	24 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 C8051F931-G-GM Silicon Labs 1: 4,51 € 205In Stock End of Life	Mfr. Part No. C8051F931-G-GM Mouser Part No 634-C8051F931-G-GM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	205In Stock	4,51 € 3,58 € 3,16 € 2,93 € View 2,86 € 2,74 € 2,73 € 2,68 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	16 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 C8051F931-G-GMR Silicon Labs 1: 4,72 € 99In Stock End of Life	Mfr. Part No. C8051F931-G-GMR Mouser Part No 634-C8051F931-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	99In Stock	Cut Tape 4,72 € 3,72 € 3,33 € 3,08 € Reel 2,70 € View 3,00 € 2,83 € 2,73 € 2,63 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT		8051	16 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU High-Speed Microcontroller DS80C310-MCG+ Analog Devices / Maxim Integrated 1: 28,45 € 11In Stock 50On Order	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	11In Stock 50On Order	28,45 € 23,95 € 22,88 € 20,46 € View 18,95 € 18,67 € Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU High-Speed Microcontroller DS80C310-QCG+ Analog Devices / Maxim Integrated 1: 26,72 € 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	26,72 € 20,90 € 19,96 € 17,13 € View 16,65 € 16,24 € Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-MCL+ Analog Devices / Maxim Integrated 1: 35,80 € 30In 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	30In Stock	35,80 € 30,13 € 28,78 € 24,58 € View 23,89 € 23,61 € Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU CAN/C51 Boot CAN AT89C51CC02CA-RATUM Microchip Technology 1: 7,03 € 500Expected 29/09/2026	Mfr. Part No. AT89C51CC02CA-RATUM Mouser Part No 556-A89C51C02CARATUM	Microchip Technology	8-bit Microcontrollers - MCU CAN/C51 Boot CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	500Expected 29/09/2026	7,03 € 6,45 € 5,86 €	Min.: 1 Mult.: 1	SMD/SMT	VQFP-32	8051	20 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: 6,45 € 660On Order	Mfr. Part No. AT89C51RB2-3CSUM Mouser Part No 556-A89C51RB2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	660On Order On Order Ship Dates Mfr. No: AT89C51RB2-3CSUM Stock: 0 On Order: 180 Expected 26/10/2026 480 Expected 17/11/2026 Factory Lead Time: 9 Weeks	6,45 € 5,92 € 5,36 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin C8051F340-GQR Silicon Labs 1: 21,34 € 500Expected 06/10/2026	Mfr. Part No. C8051F340-GQR Mouser Part No 634-C8051F340-GQR	Silicon Labs	8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin	Datasheet	500Expected 06/10/2026	Cut Tape 21,34 € 17,24 € 15,77 € 15,03 € View Reel 13,25 € 14,73 € 13,25 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TQFP-48	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU C8051F353-GM Silicon Labs 1: 9,97 € 1 014Expected 02/10/2026	Mfr. Part No. C8051F353-GM Mouser Part No 634-C8051F353-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	1 014Expected 02/10/2026	9,97 € 8,00 € 7,20 € 6,87 € View 6,15 € 6,06 € 6,01 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	17 I/O	8 bit	16 bit