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8051 Core 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.	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 8051 50 MHz 8 kB 8-bit MCU C8051F353-GM Silicon Labs 1: €10.46 1,533Expected 17/11/2026 NRND	Mfr. Part No. C8051F353-GM Mouser Part No 634-C8051F353-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	1,533Expected 17/11/2026	€10.46 €8.19 €7.62 €7.00 View €6.93 €6.52 €6.37 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	8 bit	50 MHz	8 kB	768 B	16 bit	17 I/O	2.7 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24AU Microchip Technology 1: €1.95 5,594On Order	Mfr. Part No. AT89S52-24AU Mouser Part No 556-A89S52-24AU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	5,594On Order On Order Ship Dates Mfr. No: AT89S52-24AU Stock: 0 On Order: 2,394 Expected 18/01/2027 3,200 Expected 26/01/2027 Factory Lead Time: 19 Weeks	€1.95 €1.79 €1.63	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	8 kB	256 B	No ADC	32 I/O	4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AU Microchip Technology 1: €4.85 1,343Expected 15/02/2027	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	1,343Expected 15/02/2027	€4.85 €4.43 €4.02	Min.: 1 Mult.: 1	SMD/SMT	TQFP-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 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM) C8051F300-GMR Silicon Labs 1: €6.60 1,400Expected 11/12/2026	Mfr. Part No. C8051F300-GMR Mouser Part No 634-C8051F300-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)	Datasheet	1,400Expected 11/12/2026	Cut Tape €6.60 €5.13 €4.72 €4.30 €4.15 Reel €3.55 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-11	8051	8 bit	25 MHz	8 kB	256 B	8 bit	8 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM) C8051F301-GMR Silicon Labs 1: €6.23 3,000Expected 11/12/2026	Mfr. Part No. C8051F301-GMR Mouser Part No 634-C8051F301-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)	Datasheet	3,000Expected 11/12/2026	Cut Tape €6.23 €4.91 €4.41 €4.10 View Reel €3.49 €4.00 €3.81 €3.49 €3.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-11	8051	8 bit	25 MHz	8 kB	256 B	No ADC	8 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V AT89C4051-12SU Microchip Technology 1: €1.29 552On Order	Mfr. Part No. AT89C4051-12SU Mouser Part No 556-A89C405112SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V	Datasheet	552On Order	€1.29 €1.19 €1.07	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	8 bit	12 MHz	4 kB	128 B	No ADC	15 I/O	2.7 V	6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: €11.73 370Expected 16/04/2027 End of Life	Mfr. Part No. C8051F508-IM Mouser Part No 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 16/04/2027	€11.73 €9.19 €8.56 €7.86 View €7.78 €7.53	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	8051	8 bit	50 MHz	64 kB	4.25 kB	12 bit	33 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051 ML51LD1AE Nuvoton 1: €2.57 500Expected 15/07/2027	Mfr. Part No. ML51LD1AE Mouser Part No 503-ML51LD1AE	Nuvoton	8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051	Datasheet	500Expected 15/07/2027	Cut Tape €2.57 €1.68 €1.52 €1.32 Reel €1.11	Min.: 1 Mult.: 1 : 250	SMD/SMT	LQFP-48	8051	8 bit	24 MHz	64 kB	4 kB	12 bit	43 I/O	1.8 V	3.6 V	+ 105 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51PB9AE Nuvoton 1: €2.11 499Expected 21/10/2027	Mfr. Part No. ML51PB9AE Mouser Part No 503-ML51PB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	499Expected 21/10/2027	€2.11 €1.36 €1.21 €1.01 View €0.937 €0.82 €0.725 €0.716	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	8051	8 bit	24 MHz	16 kB	2 kB	12 bit	28 I/O	1.8 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051 ML51TC0AE Nuvoton 1: €1.37 490Expected 29/06/2027	Mfr. Part No. ML51TC0AE Mouser Part No 503-ML51TC0AE	Nuvoton	8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	490Expected 29/06/2027	€1.37 €1.16 €1.01 €0.963 View €0.851 €0.833 €0.813	Min.: 1 Mult.: 1	SMD/SMT	QFN-33	8051	8 bit	24 MHz	32 kB	2 kB	12 bit	28 I/O	1.8 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AAU Microchip Technology 1: €4.39 275Expected 25/01/2027	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	275Expected 25/01/2027	€4.39 €4.03 €3.66	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	8 bit	20 MHz	64 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F580-IM Silicon Labs 1: €13.82 10Expected 24/11/2026 End of Life	Mfr. Part No. C8051F580-IM Mouser Part No 634-C8051F580-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	10Expected 24/11/2026	€13.82 €12.17 €10.72 €9.49	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	24 MHz	128 kB	8.25 kB	12 bit	40 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V AT89C51AC3-RDTUM Microchip Technology 160: €7.28 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51AC3-RDTUM Mouser Part No 556-A89C51AC3RDTUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	€7.28	Min.: 1 Mult.: 1	SMD/SMT	VQFP-64	8051	8 bit	60 MHz	64 kB	2 kB	10 bit	36 I/O	3 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND AT89C51CC02UA-RATUM Microchip Technology 250: €5.86 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. AT89C51CC02UA-RATUM Mouser Part No 556-A89C51C02UARATUM	Microchip Technology	8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 10 Weeks	€5.86	Min.: 250 Mult.: 250	SMD/SMT	VQFP-32	8051	8 bit	40 MHz	16 kB	512 B		20 I/O	3 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind AT89C51ED2-RDRUM Microchip Technology 1,500: €7.45 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51ED2-RDRUM Mouser Part No 556-A89C51ED2RDRUM	Microchip Technology	8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €7.45	Min.: 1,500 Mult.: 1,500 : 1,500	SMD/SMT	LQFP-64	8051	8 bit	60 MHz	64 kB	2 kB	No ADC	32 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V AT89C51ED2-RDTUM Microchip Technology 160: €7.45 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51ED2-RDTUM Mouser Part No 556-A89C51ED2RDTUM	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	€7.45	Min.: 160 Mult.: 160	SMD/SMT	VQFP-64	8051	8 bit	60 MHz	64 kB	2 kB	No ADC	50 I/O	2.7 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind AT89C51ED2-SLRUM Microchip Technology 500: €7.50 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51ED2-SLRUM Mouser Part No 556-A89C51ED2SLRUM	Microchip Technology	8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel €7.50	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	64 kB	2 kB	No ADC	32 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V AT89C51IC2-SLRUL Microchip Technology 500: €6.59 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51IC2-SLRUL Mouser Part No 556-A89C51IC2SLRUL	Microchip Technology	8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €6.59	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	34 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V AT89C51IC2-SLRUM Microchip Technology 500: €6.44 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51IC2-SLRUM Mouser Part No 556-A89C51IC2SLRUM	Microchip Technology	8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €6.44	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	34 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51ID2 64K FLASH TWI 32KHz 5V AT89C51ID2-SLRUM Microchip Technology 500: €9.18 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51ID2-SLRUM Mouser Part No 556-A89C51ID2SLRUM	Microchip Technology	8-bit Microcontrollers - MCU C51ID2 64K FLASH TWI 32KHz 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €9.18	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	64 kB	2 kB	No ADC	32 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLRUL Microchip Technology 500: €5.81 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51RB2-SLRUL Mouser Part No 556-A89C51RB2SLRUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €5.81	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-SLRUM Microchip Technology 500: €5.81 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51RB2-SLRUM Mouser Part No 556-A89C51RB2SLRUM	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €5.81	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51RC2 32K FLASH 3V Ind AT89C51RC2-SLRUL Microchip Technology 500: €6.89 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51RC2-SLRUL Mouser Part No 556-A89C51RC2SLRUL	Microchip Technology	8-bit Microcontrollers - MCU C51RC2 32K FLASH 3V Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €6.89	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	32 I/O	2.7 V	5.5 V			Reel
8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com AT89C51RC2-SLRUM Microchip Technology 500: €6.89 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51RC2-SLRUM Mouser Part No 556-A89C51RC2SLRUM	Microchip Technology	8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel €6.89	Min.: 500 Mult.: 500 : 500	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	32 I/O	2.7 V	5.5 V	+ 85 C		Reel
8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V AT89LS52-16PU Microchip Technology 220: €2.64 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89LS52-16PU Mouser Part No 556-A89LS52-16PU	Microchip Technology	8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V	Datasheet	Non-Stocked Lead-Time 9 Weeks	€2.64	Min.: 220 Mult.: 10	Through Hole	PDIP-40	8051	8 bit	16 MHz	8 kB	256 B	No ADC	32 I/O	2.7 V	4 V	+ 85 C		Tube