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8051 Core Embedded Processors & Controllers

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Core = 8051

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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-QCL+ Analog Devices / Maxim Integrated 1: 36,09 € 39In Stock	Mfr. Part No. DS80C320-QCL+ Mouser Part No 700-DS80C320-QCL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	39In Stock	36,09 € 29,64 € 24,70 € 24,69 € View 24,68 € Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers DS89C450-ENG+ Analog Devices / Maxim Integrated 1: 34,33 € 29In Stock	Mfr. Part No. DS89C450-ENG+ Mouser Part No 700-DS89C450-ENG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers	Datasheet	29In Stock	34,33 € 28,91 € 27,61 € 24,69 € View 24,10 € 23,80 € Quote	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 AT89LP3240-20MU Microchip Technology 1: 4,09 € 315In Stock	Mfr. Part No. AT89LP3240-20MU Mouser Part No 556-AT89LP3240-20MU	Microchip Technology	8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL	Datasheet	315In Stock	4,09 € 3,76 € 3,41 €	Min.: 1 Mult.: 1	SMD/SMT	VQFN-44	8051	38 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V AT89LP51IC2-20AAU Microchip Technology 1: 4,05 € 294In Stock	Mfr. Part No. AT89LP51IC2-20AAU Mouser Part No 556-AT89LP51IC220AAU	Microchip Technology	8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	294In Stock	4,05 € 3,72 € 3,38 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU Keybrd & Embedded Cntlr MEC1310-NU Microchip Technology 1: 4,36 € 231In Stock	Mfr. Part No. MEC1310-NU Mouser Part No 579-MEC1310-NU	Microchip Technology	8-bit Microcontrollers - MCU Keybrd & Embedded Cntlr	Datasheet	231In Stock	4,36 € 3,74 € 3,73 € View Quote	Min.: 1 Mult.: 1	SMD/SMT	VTQFP-128	8051	56 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24PU Microchip Technology 1: 3,16 € 5.838In Stock 7.260Expected 9/29/2026	Mfr. Part No. AT89S52-24PU Mouser Part No 556-A89S52-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	5.838In Stock 7.260Expected 9/29/2026	3,16 € 2,91 € 2,64 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V AT89S8253-24JU Microchip Technology 1: 4,05 € 3.097In Stock	Mfr. Part No. AT89S8253-24JU Mouser Part No 556-A89S8253-24JU	Microchip Technology	8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V	Datasheet	3.097In Stock	4,05 € 3,72 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 UARBOOT GREEN AT89C51CC03UAT-RLTUM Microchip Technology 1: 9,49 € 2.218In Stock	Mfr. Part No. AT89C51CC03UAT-RLTUM Mouser Part No 556-AT89C51CC03UATUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 UARBOOT GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	2.218In Stock	9,49 € 8,69 € 7,88 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU C51ID2 64kF 32KHz TQFP44 3-5.5V I. GREEN AT89C51ID2T-RLTUM Microchip Technology 1: 10,39 € 1.907In Stock	Mfr. Part No. AT89C51ID2T-RLTUM Mouser Part No 556-AT89C51ID2TLTUM	Microchip Technology	8-bit Microcontrollers - MCU C51ID2 64kF 32KHz TQFP44 3-5.5V I. GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1.907In Stock	10,39 € 9,52 € 8,63 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20JU Microchip Technology 1: 5,09 € 3.248In Stock	Mfr. Part No. AT89LP51ED2-20JU Mouser Part No 556-AT89LP51ED2-20JU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	3.248In Stock	5,09 € 4,65 € 4,21 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 25 I/O CY8C3245LTI-139T Infineon Technologies 1: 9,40 € 2.655In Stock	Mfr. Part No. CY8C3245LTI-139T Mouser Part No 727-CY8C3245LTI-139T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 25 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	2.655In Stock	Cut Tape 9,40 € 7,27 € 6,93 € 6,02 € View Reel 5,26 € 5,74 € 5,26 € 5,26 € Quote	Min.: 1 Mult.: 1 : 2.000	SMD/SMT	QFN-48	8051		8 bit
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-073 Infineon Technologies 1: 12,48 € 2.600In Stock	Mfr. Part No. CY8C3446LTI-073 Mouser Part No 727-CY8C3446LTI-073	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2.600In Stock	12,48 € 10,17 € 9,09 € 8,75 € View 8,38 € 8,06 € 7,89 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	31 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) IS31CS8974A-QFLS2-TR Lumissil 1: 1,79 € 2.500In Stock New Product	Mfr. Part No. IS31CS8974A-QFLS2-TR Mouser Part No 870-31CS8974AQFLS2TR New Product	Lumissil	8-bit Microcontrollers - MCU MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) Learn More about Lumissil is3xcs8974 mcus		2.500In Stock	Cut Tape 1,79 € 1,14 € 1,02 € 0,839 € Reel 0,531 € View 0,732 € 0,693 € 0,583 € 0,526 €	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	WQFN-24	8051	20 I/O	8 bit
8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN AT89C51AC2T-RLTUM Microchip Technology 1: 8,44 € 3.038In Stock	Mfr. Part No. AT89C51AC2T-RLTUM Mouser Part No 556-AT89C51AC2TLTUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	3.038In Stock	8,44 € 7,74 € 7,01 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	34 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V AT89C2051-24SU Microchip Technology 1: 1,24 € 2.549In Stock	Mfr. Part No. AT89C2051-24SU Mouser Part No 556-A89C2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V	Datasheet	2.549In Stock	1,24 € 1,14 € 1,03 €	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	15 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24PU Microchip Technology 1: 1,82 € 944In Stock 1.404Expected 10/7/2026	Mfr. Part No. AT89C4051-24PU Mouser Part No 556-A89C4051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	944In Stock 1.404Expected 10/7/2026	1,82 € 1,67 € 1,51 €	Min.: 1 Mult.: 1	Through Hole	PDIP-20	8051	15 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51 16K Flash ADC AT89C5115-SISUM Microchip Technology 1: 8,32 € 396In Stock	Mfr. Part No. AT89C5115-SISUM Mouser Part No 556-A89C5115SISUM	Microchip Technology	8-bit Microcontrollers - MCU C51 16K Flash ADC Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	396In Stock	8,32 € 7,62 € 6,89 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-28	8051	20 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V AT89C5130A-RDTUM Microchip Technology 1: 7,89 € 166In Stock	Mfr. Part No. AT89C5130A-RDTUM Mouser Part No 556-A89C5130ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	166In Stock	7,89 € 7,24 €	Min.: 1 Mult.: 1	SMD/SMT	VQFP-64	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V AT89C51AC3-SLSUM Microchip Technology 1: 9,22 € 267In Stock	Mfr. Part No. AT89C51AC3-SLSUM Mouser Part No 556-A89C51AC3SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	267In Stock	9,22 € 8,46 € 7,66 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT AT89C51CC03UA-RDTUM Microchip Technology 1: 9,21 € 421In Stock	Mfr. Part No. AT89C51CC03UA-RDTUM Mouser Part No 556-A89C51C03UARDTUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	421In Stock	9,21 € 8,45 € 7,64 €	Min.: 1 Mult.: 1	SMD/SMT	VQFP-64	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V AT89C51ED2-SLSUM Microchip Technology 1: 8,87 € 1.120In Stock	Mfr. Part No. AT89C51ED2-SLSUM Mouser Part No 556-A89C51ED2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1.120In Stock	8,87 € 8,13 € 7,36 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind AT89C51ED2-SMSUM Microchip Technology 1: 9,43 € 784In Stock	Mfr. Part No. AT89C51ED2-SMSUM Mouser Part No 556-A89C51ED2SMSUM	Microchip Technology	8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	784In Stock	9,43 € 8,63 € 7,83 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-68	8051	48 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM AT89C51RB2-SLSUM Microchip Technology 1: 6,46 € 1.787In Stock	Mfr. Part No. AT89C51RB2-SLSUM Mouser Part No 556-A89C51RB2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1.787In Stock	6,46 € 5,93 € 5,38 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V AT89C51RC-24JU Microchip Technology 1: 4,01 € 402In Stock 405Expected 9/30/2026	Mfr. Part No. AT89C51RC-24JU Mouser Part No 556-A89C51RC-24JU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	402In Stock 405Expected 9/30/2026	4,01 € 3,69 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24PU Microchip Technology 1: 4,45 € 396In Stock 690Expected 10/1/2026	Mfr. Part No. AT89C51RC-24PU Mouser Part No 556-A89C51RC-24PU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	396In Stock 690Expected 10/1/2026	4,45 € 4,09 € 4,08 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC