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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 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	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
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	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-MNG+ Analog Devices / Maxim Integrated 1: 34,86 € 139In Stock	Mfr. Part No. DS80C320-MNG+ Mouser Part No 700-DS80C320-MNG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	139In Stock	34,86 € 29,34 € 28,03 € 23,86 € View 23,19 € 22,90 € Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-MNL+ Analog Devices / Maxim Integrated 1: 39,65 € 8In Stock	Mfr. Part No. DS80C320-MNL+ Mouser Part No 700-DS80C320-MNL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	8In Stock	39,65 € 32,55 € 29,88 € 28,08 € View 27,37 € Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-QCG+ Analog Devices / Maxim Integrated 1: 36,09 € 68In Stock	Mfr. Part No. DS80C320-QCG+ Mouser Part No 700-DS80C320-QCG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	68In Stock	36,09 € 29,64 € 28,68 € 26,87 € View 26,32 € 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 DS80C323-ECD+ Analog Devices / Maxim Integrated 1: 14,91 € 208In Stock	Mfr. Part No. DS80C323-ECD+ Mouser Part No 700-DS80C323-ECD	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	208In Stock	14,91 € 11,33 € 10,86 € 9,57 €	Min.: 1 Mult.: 1 Max.: 166	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C323-QCD+ Analog Devices / Maxim Integrated 1: 14,56 € 56In Stock	Mfr. Part No. DS80C323-QCD+ Mouser Part No 700-DS80C323-QCD	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	56In Stock	14,56 € 11,07 € 10,60 € 9,34 € View 8,57 € 8,25 € 7,95 € Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU Dual CAN High-Speed Microprocessor DS80C390-FNR+ Analog Devices / Maxim Integrated 1: 51,39 € 214In Stock	Mfr. Part No. DS80C390-FNR+ Mouser Part No 700-DS80C390-FNR	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU Dual CAN High-Speed Microprocessor	Datasheet	214In Stock	51,39 € 42,76 € 42,38 € 39,70 €	Min.: 1 Mult.: 1 Max.: 171	SMD/SMT	LQFP-64	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-QCL+ Analog Devices / Maxim Integrated 1: 61,13 € 192In Stock	Mfr. Part No. DS87C520-QCL+ Mouser Part No 700-DS87C520-QCL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	192In Stock	61,13 € 50,87 € 50,41 € 47,22 €	Min.: 1 Mult.: 1 Max.: 153	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers DS89C450-ENL+ Analog Devices / Maxim Integrated 1: 42,76 € 85In Stock	Mfr. Part No. DS89C450-ENL+ Mouser Part No 700-DS89C450-ENL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers	Datasheet	85In Stock	42,76 € 35,11 € 33,98 € 31,84 € View 31,17 € Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51BB9AE Nuvoton 1: 0,74 € 785In Stock	Mfr. Part No. ML51BB9AE Mouser Part No 503-ML51BB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	785In Stock	0,74 € 0,636 € 0,538 € 0,507 € View 0,461 € 0,449 € 0,433 € 0,427 €	Min.: 1 Mult.: 1	SMD/SMT	MSOP-10	8051	7 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51FB9AE Nuvoton 1: 0,851 € 555In Stock	Mfr. Part No. ML51FB9AE Mouser Part No 503-ML51FB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	555In Stock	0,851 € 0,728 € 0,62 € 0,585 € View 0,531 € 0,519 € 0,501 € 0,495 €	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	16 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK ML56LD1AE Nuvoton 1: 2,00 € 155In Stock	Mfr. Part No. ML56LD1AE Mouser Part No 503-ML56LD1AE	Nuvoton	8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK Learn More about Nuvoton ml56 numicro mcus	Datasheet	155In Stock	2,00 € 1,68 € 1,47 € 1,39 € View 1,29 € 1,24 € 1,19 € 1,18 € 1,14 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	8051	42 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM MS51BA9AE Nuvoton 1: 0,602 € 534In Stock	Mfr. Part No. MS51BA9AE Mouser Part No 503-MS51BA9AE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	534In Stock	0,602 € 0,518 € 0,439 € 0,414 € View 0,375 € 0,354 € 0,346 €	Min.: 1 Mult.: 1	SMD/SMT	MSOP-10	8051	8 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM MS51FB9AE Nuvoton 1: 1,20 € 85In Stock 5.106On Order	Mfr. Part No. MS51FB9AE Mouser Part No 503-MS51FB9AE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	85In Stock 5.106On Order On Order Ship Dates Mfr. No: MS51FB9AE Stock: 85 Can Dispatch Immediately On Order: 1.480 Expected 11/19/2026 1.036 Expected 11/30/2026 2.590 Expected 12/1/2026 Factory Lead Time: 40 Weeks	Cut Tape 1,20 € 0,807 € 0,681 € Reel 0,681 € 0,557 € View 0,511 € 0,444 € 0,416 € 0,349 €	Min.: 1 Mult.: 1 : 74	SMD/SMT	TSSOP-20	8051	18 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51FC0AE Nuvoton 1: 0,74 € 744In Stock	Mfr. Part No. MS51FC0AE Mouser Part No 503-MS51FC0AE	Nuvoton	8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	744In Stock	0,74 € 0,634 € 0,539 € 0,509 € View 0,462 € 0,45 € 0,422 € 0,413 €	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	18 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51PC0AE Nuvoton 1: 1,08 € 666In Stock	Mfr. Part No. MS51PC0AE Mouser Part No 503-MS51PC0AE	Nuvoton	8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	666In Stock	1,08 € 0,929 € 0,808 € 0,764 € View 0,71 € 0,675 € 0,628 € 0,594 € 0,578 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	8051	30 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51TC0AE Nuvoton 1: 0,851 € 975In Stock	Mfr. Part No. MS51TC0AE Mouser Part No 503-MS51TC0AE	Nuvoton	8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	975In Stock	0,851 € 0,728 € 0,64 € 0,605 € View 0,535 € 0,509 € 0,508 € 0,49 € 0,485 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-33	8051	30 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width MS51XB9AE Nuvoton 1: 0,559 € 627In Stock	Mfr. Part No. MS51XB9AE Mouser Part No 503-MS51XB9AE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width Learn More about Nuvoton ms51 industrial mcus	Datasheet	627In Stock	0,559 € 0,479 € 0,422 € 0,399 € View 0,351 € 0,333 € 0,315 € 0,306 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	18 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85 N76E003AT20 Nuvoton 1: 0,714 € 413In Stock 888Expected 10/9/2026	Mfr. Part No. N76E003AT20 Mouser Part No 503-N76E003AT20	Nuvoton	8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85	Datasheet	413In Stock 888Expected 10/9/2026	0,714 € 0,611 € 0,521 € 0,491 € View 0,445 € 0,434 € 0,418 € 0,414 €	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	18 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V AT89C51AC2-SLSUM Microchip Technology 1: 8,87 € 101In Stock	Mfr. Part No. AT89C51AC2-SLSUM Mouser Part No 556-A89C51AC2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	101In Stock	8,87 € 8,13 € 7,36 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	34 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V AT89LS52-16AU Microchip Technology 1: 1,97 € 176In Stock	Mfr. Part No. AT89LS52-16AU Mouser Part No 556-A89LS52-16AU	Microchip Technology	8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V	Datasheet	176In Stock	1,97 € 1,80 € 1,64 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL AT89LP3240-20AU Microchip Technology 1: 9,02 € 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	9,02 € 8,30 € 8,27 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	38 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AU Microchip Technology 1: 4,85 € 144In Stock 1.600Expected 12/11/2026	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	144In Stock 1.600Expected 12/11/2026	4,85 € 4,43 € 4,02 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20MU Microchip Technology 1: 4,85 € 30In Stock	Mfr. Part No. AT89LP51ED2-20MU Mouser Part No 556-AT89LP51ED2-20MU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	30In Stock	4,85 € 4,43 € 4,02 €	Min.: 1 Mult.: 1	SMD/SMT	VQFN-44	8051	36 I/O	8 bit	10 bit