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8051 Core Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C323-QCD+ Analog Devices / Maxim Integrated 1: Rp310.597,78 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	Rp310.597,78 Rp236.113,02 Rp226.206,18 Rp199.237,56 View Rp182.909,62 Rp175.938,14 Rp169.517,04 Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	18 MHz	64 kB	256 B	No ADC	32 I/O	2.7 V	5.5 V	+ 70 C		Tube
8-bit Microcontrollers - MCU Dual CAN High-Speed Microprocessor DS80C390-FNR+ Analog Devices / Maxim Integrated 1: Rp1.096.173,50 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	Rp1.096.173,50 Rp912.163,12 Rp904.090,88 Rp846.851,36 View Rp785.392,26 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	8051	8 bit	40 MHz	4 kB	4 kB	No ADC	32 I/O	3.85 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-QCL+ Analog Devices / Maxim Integrated 1: Rp1.304.033,68 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	Rp1.304.033,68 Rp1.085.165,90 Rp1.075.442,52 Rp1.007.378,86 View Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	33 MHz	16 kB	1 kB	No ADC	32 I/O	4.5 V	5.5 V	+ 70 C		Tube
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers DS89C450-ENL+ Analog Devices / Maxim Integrated 1: Rp912.163,12 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	Rp912.163,12 Rp748.883,72 Rp724.850,46 Rp679.168,92 View Rp664.859,04 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	33 MHz	64 kB	1 kB	No ADC	32 I/O	4.5 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU C8051F392-A-GM Silicon Labs 1: Rp79.621,64 395In Stock 1.911Expected 02/11/2026 NRND	Mfr. Part No. C8051F392-A-GM Mouser Part No 634-C8051F392-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	395In Stock 1.911Expected 02/11/2026	Rp79.621,64 Rp59.991,42 Rp55.038,00 Rp49.717,66 View Rp47.149,22 Rp46.782,30 Rp44.030,40 Rp42.929,64	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	8 bit	50 MHz	16 kB	1 kB	10 bit	17 I/O	1.8 V	3.6 V	+ 105 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU C8051F860-C-GS Silicon Labs 1: Rp55.038,00 225In Stock NRND	Mfr. Part No. C8051F860-C-GS Mouser Part No 634-C8051F860-C-GS NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	225In Stock	Rp55.038,00 Rp41.095,04 Rp37.425,84 Rp33.573,18 View Rp31.738,58 Rp31.004,74 Rp29.537,06 Rp28.619,76 Rp28.069,38	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	8051	8 bit	25 MHz	8 kB	512 B	12 bit	13 I/O	2.2 V	3.6 V	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51BB9AE Nuvoton 1: Rp15.777,56 775In 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	775In Stock	Rp15.777,56 Rp13.576,04 Rp11.466,25 Rp10.824,14 View Rp9.833,46 Rp9.576,61 Rp9.228,04 Rp9.117,96	Min.: 1 Mult.: 1	SMD/SMT	MSOP-10	8051	8 bit	24 MHz	16 kB	1 kB	12 bit	7 I/O	1.8 V	5.5 V	+ 105 C		Tube
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51FB9AE Nuvoton 1: Rp18.162,54 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	Rp18.162,54 Rp15.539,06 Rp13.227,47 Rp12.475,28 View Rp11.337,83 Rp11.080,98 Rp10.677,37 Rp10.548,95	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	24 MHz	16 kB	1 kB	12 bit	16 I/O	1.8 V	5.5 V	+ 105 C		Tube
8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK ML56LD1AE Nuvoton 1: Rp42.562,72 105In 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	105In Stock	Rp42.562,72 Rp35.774,70 Rp31.371,66 Rp29.720,52 View Rp27.519,00 Rp26.418,24 Rp25.317,48 Rp25.134,02 Rp24.400,18	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	8051	8 bit	24 MHz	64 kB	4 kB	12 bit	42 I/O	1.8 V	3.6 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM MS51BA9AE Nuvoton 1: Rp12.842,20 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	Rp12.842,20 Rp11.044,29 Rp9.356,46 Rp8.824,43 View Rp7.998,86 Rp7.558,55 Rp7.375,09	Min.: 1 Mult.: 1	SMD/SMT	MSOP-10	8051	8 bit	24 MHz	8 kB	1 kB	12 bit	8 I/O	2.4 V	5.5 V	+ 105 C		Tube
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51FC0AE Nuvoton 1: Rp15.777,56 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	Rp15.777,56 Rp13.521,00 Rp11.502,94 Rp10.860,83 View Rp9.851,80 Rp9.594,96 Rp9.007,89 Rp8.806,08	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	24 MHz	32 kB	2 kB	12 bit	18 I/O	2.4 V	5.5 V	+ 105 C		Tube
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51PC0AE Nuvoton 1: Rp23.115,96 83In Stock 1.500Expected 17/11/2027	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	83In Stock 1.500Expected 17/11/2027	Rp23.115,96 Rp19.813,68 Rp17.245,24 Rp16.291,25 View Rp15.153,80 Rp14.401,61 Rp13.392,58 Rp12.677,09	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	8051	8 bit	24 MHz	32 kB	2 kB	12 bit	30 I/O	2.4 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51TC0AE Nuvoton 1: Rp18.162,54 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	Rp18.162,54 Rp15.539,06 Rp13.649,42 Rp12.897,24 View Rp11.411,21 Rp10.860,83 Rp10.842,49 Rp10.457,22 Rp10.347,14	Min.: 1 Mult.: 1	SMD/SMT	QFN-33	8051	8 bit	24 MHz	32 kB	2 kB	12 bit	30 I/O	2.4 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width MS51XB9AE Nuvoton 1: Rp11.924,90 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	Rp11.924,90 Rp10.218,72 Rp9.007,89 Rp8.512,54 View Rp7.485,17 Rp7.099,90 Rp6.714,64 Rp6.531,18	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	8 bit	24 MHz	16 kB	1 kB	12 bit	18 I/O	2.4 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85 N76E003AT20 Nuvoton 1: Rp15.227,18 1.227In Stock	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	1.227In Stock	Rp15.227,18 Rp13.044,01 Rp11.117,68 Rp10.475,57 View Rp9.503,23 Rp9.264,73 Rp8.916,16 Rp8.824,43	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	16 MHz	18 kB	256 B	12 bit	18 I/O	2.4 V	5.5 V	+ 105 C		Tube
8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V AT89C51AC2-SLSUM Microchip Technology 1: Rp189.147,26 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	Rp189.147,26 Rp173.369,70 Rp157.041,76	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	40 MHz	32 kB	1.25 kB	10 bit	34 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V AT89LS52-16AU Microchip Technology 1: Rp42.012,34 175In 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	175In Stock	Rp42.012,34 Rp38.343,14 Rp34.857,40	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	16 MHz	8 kB	256 B	No ADC	32 I/O	2.7 V	4 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20MU Microchip Technology 1: Rp103.471,44 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	Rp103.471,44 Rp94.481,90 Rp85.859,28	Min.: 1 Mult.: 1	SMD/SMT	VQFN-44	8051	8 bit	20 MHz	64 kB	256 B	10 bit	36 I/O	2.4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V AT89LP51RB2-20AAU Microchip Technology 1: Rp70.448,64 196In 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	196In Stock	Rp70.448,64 Rp64.577,92 Rp58.523,74	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	8 bit	20 MHz	24 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F387-GM Silicon Labs 1: Rp105.489,50 158In Stock NRND	Mfr. Part No. C8051F387-GM Mouser Part No 634-C8051F387-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	158In Stock	Rp105.489,50 Rp81.639,70 Rp74.851,68 Rp68.247,12 View Rp64.761,38 Rp62.743,32 Rp62.559,86 Rp62.192,94 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	8 bit	48 MHz	32 kB	2.3 kB		25 I/O	2.7 V	5.25 V	+ 85 C		Tube
8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V AT89LP2052-20XU Microchip Technology 1: Rp50.818,42 8In Stock	Mfr. Part No. AT89LP2052-20XU Mouser Part No 556-A89LP2052-20XU	Microchip Technology	8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V	Datasheet	8In Stock	Rp50.818,42 Rp46.782,30 Rp45.865,00	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	20 MHz	2 kB	256 B		15 I/O	2.4 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU C8051F351-GMR Silicon Labs 1: Rp294.086,38 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 Rp294.086,38 Rp230.242,30 Rp214.464,74 Rp196.852,58 View Reel Rp169.883,96 Rp195.017,98 Rp183.460,00 Rp179.423,88 Rp169.883,96	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	QFN-28	8051	8 bit	50 MHz	8 kB	768 B	24 bit	17 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-149 Infineon Technologies 1: Rp263.448,56 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	Rp263.448,56 Rp204.557,90 Rp184.560,76 Rp173.920,08 View Rp165.847,84 Rp160.894,42 Rp153.372,56 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	46 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O CY8C3246LTI-149T Infineon Technologies 1: Rp266.567,38 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 Rp266.567,38 Rp202.539,84 Rp194.100,68 Rp170.984,72 View Reel Rp153.189,10 Rp162.729,02 Rp157.225,22 Rp153.372,56 Rp153.189,10 Quote	Min.: 1 Mult.: 1 : 2.000	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	46 I/O	1.71 V	5.5 V	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-162 Infineon Technologies 1: Rp227.490,40 2In Stock	Mfr. Part No. CY8C3246LTI-162 Mouser Part No 727-CY8C3246LTI-162	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2In Stock	Rp227.490,40 Rp184.927,68 Rp176.305,06 Rp153.189,10 View Rp146.217,62 Rp127.871,62 Rp123.285,12 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C		Tray