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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 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	15 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: 11,73 € 370Expected 6/25/2027 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 6/25/2027	11,73 € 9,19 € 8,56 € 7,86 € View 7,78 € 7,53 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	8051	33 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051 ML51LD1AE Nuvoton 1: 2,57 € 500Expected 7/15/2027	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 7/15/2027	Cut Tape 2,57 € 1,68 € 1,52 € 1,32 € Reel 1,11 €	Min.: 1 Mult.: 1 : 250	SMD/SMT	LQFP-48	8051	43 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51PB9AE Nuvoton 1: 2,11 € 499Expected 10/21/2027	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 10/21/2027	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	28 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051 ML51TC0AE Nuvoton 1: 1,37 € 490Expected 6/29/2027	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 6/29/2027	1,37 € 1,16 € 1,01 € 0,963 € View 0,851 € 0,833 € 0,813 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-33	8051	28 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AAU Microchip Technology 1: 4,39 € 275Expected 1/25/2027	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 1/25/2027	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 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F580-IM Silicon Labs 1: 13,82 € 10Expected 12/4/2026 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 12/4/2026	13,82 € 12,17 € 10,72 € 9,49 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	40 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V AT89C51AC3-RDTUM Microchip Technology 1: 8,78 € 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	8,78 € 8,07 € 7,28 €	Min.: 1 Mult.: 1	SMD/SMT	VQFP-64	8051	36 I/O	8 bit	10 bit
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	20 I/O	8 bit
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	32 I/O	8 bit	No ADC
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	50 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	34 I/O	8 bit	No ADC
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	34 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 32K Flash 3V USB AT89C5131A-TIRUL Microchip Technology 1.000: 5,69 € Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C5131A-TIRUL Mouser Part No 556-AT89C5131A-TIRUL	Microchip Technology	8-bit Microcontrollers - MCU 32K Flash 3V USB	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel 5,69 €	Min.: 1.000 Mult.: 1.000 : 1.000	SMD/SMT	SOIC-28	8051	18 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 8-bit 16K Flash C51RB2 AT89C51RB2-3CSUL Microchip Technology 100: 5,81 € Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51RB2-3CSUL Mouser Part No 556-AT89C51RB2-3CSUL	Microchip Technology	8-bit Microcontrollers - MCU 8-bit 16K Flash C51RB2 Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	5,81 €	Min.: 100 Mult.: 10	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN AT89C51RB2T-RLRUL Microchip Technology 1: 6,68 € Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51RB2T-RLRUL Mouser Part No 556-AT89C51RB2TLRUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Cut Tape 6,68 € 6,52 € Reel 5,55 €	Min.: 1 Mult.: 1 : 2.000	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V AT89LP51RB2-20AU Microchip Technology 320: 2,76 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. AT89LP51RB2-20AU Mouser Part No 556-AT89LP51RB2-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	Non-Stocked Lead-Time 12 Weeks	2,76 €	Min.: 320 Mult.: 160	SMD/SMT	TQFP-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20MU Microchip Technology 360: 3,66 € Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89LP6440-20MU Mouser Part No 556-AT89LP6440-20MU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash	Datasheet	Non-Stocked Lead-Time 9 Weeks	3,66 €	Min.: 360 Mult.: 360	SMD/SMT	VQFN-44	8051	38 I/O	8 bit	10 bit