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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 Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) IS32CS8974A-QWLCA3-TR Lumissil 1: 1,11 € 2 450In Stock New Product	Mfr. Part No. IS32CS8974A-QWLCA3-TR Mouser Part No 870-32CS8974AQWLA3TR New Product	Lumissil	8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) Learn More about Lumissil is3xcs8974 mcus	Datasheet	2 450In Stock	Cut Tape 1,11 € 0,946 € 0,826 € 0,78 € Reel 0,615 € View 0,691 € 0,677 € 0,602 €	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	WQFN-24	8051	8 bit	25 MHz	32 KB	2 KB		20 I/O	2.5 V	5.5 V	+ 125 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU C8051F860-C-GS Silicon Labs 1: 2,31 € 375In 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	375In Stock	2,31 € 2,02 € 1,65 € 1,56 € View 1,44 € 1,40 € 1,37 € 1,36 €	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 2kB Flash 128B RAM 24MHz 2.7V-6.0V AT89C2051-24PU Microchip Technology 1: 1,79 € 1 260In Stock	Mfr. Part No. AT89C2051-24PU Mouser Part No 556-A89C2051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V	Datasheet	1 260In Stock	1,79 € 1,64 € 1,48 €	Min.: 1 Mult.: 1	Through Hole	PDIP-20	8051	8 bit	24 MHz	2 kB	128 B	No ADC	15 I/O	4 V	6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V AT89C2051-12PU Microchip Technology 1: 1,79 € 951In Stock	Mfr. Part No. AT89C2051-12PU Mouser Part No 556-A89C205112PU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V	Datasheet	951In Stock	1,79 € 1,64 € 1,48 €	Min.: 1 Mult.: 1	Through Hole	PDIP-20	8051	8 bit	12 MHz	2 kB	128 B	No ADC	15 I/O	2.7 V	6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU C5130A 32K Flash AT89C5131A-RDTUM Microchip Technology 1: 6,68 € 779In Stock	Mfr. Part No. AT89C5131A-RDTUM Mouser Part No 556-A89C5131ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash	Datasheet	779In Stock	6,68 € 6,13 € 5,54 €	Min.: 1 Mult.: 1	SMD/SMT	VQFP-64	8051	8 bit	48 MHz	32 kB	1 kB	No ADC	34 I/O	2.7 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz AT89S51-24AU Microchip Technology 1: 1,81 € 4 134In Stock	Mfr. Part No. AT89S51-24AU Mouser Part No 556-A89S51-24AU	Microchip Technology	8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz	Datasheet	4 134In Stock	1,81 € 1,66 € 1,51 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	4 kB	128 B	No ADC	32 I/O	4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24AU Microchip Technology 1: 1,95 € 2 198In Stock	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	2 198In Stock	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 CAN TQFP44 TRAY I. Bootloader CAN GREEN AT89C51CC01CAT-RLTUM Microchip Technology 1: 7,80 € 762In Stock	Mfr. Part No. AT89C51CC01CAT-RLTUM Mouser Part No 556-AT89C51CC01CATUM	Microchip Technology	8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	762In Stock	7,80 € 7,15 € 6,48 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	40 MHz	32 kB	1.25 kB	10 bit	34 I/O	3 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AAU Microchip Technology 1: 4,85 € 676In Stock	Mfr. Part No. AT89LP51ED2-20AAU Mouser Part No 556-AT89LP51ED220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	676In Stock	4,85 € 4,43 € 4,02 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-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 805132K ISP Flash,2.4-5.5V AT89LP51RC2-20AU Microchip Technology 1: 3,66 € 593In Stock	Mfr. Part No. AT89LP51RC2-20AU Mouser Part No 556-AT89LP51RC2-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	593In Stock	3,66 € 3,36 € 3,04 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	32 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AU Microchip Technology 1: 4,39 € 972In Stock	Mfr. Part No. AT89LP51RD2-20AU Mouser Part No 556-AT89LP51RD2-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	972In Stock	4,39 € 4,03 € 3,66 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-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 25 MHz 16 kB 8-bit MCU C8051F311-GMR Silicon Labs 1: 10,63 € 905In Stock 3 000Expected 27/11/2026	Mfr. Part No. C8051F311-GMR Mouser Part No 634-C8051F311-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU	Datasheet	905In Stock 3 000Expected 27/11/2026	Cut Tape 10,63 € 8,47 € 7,67 € 7,17 € View Reel 6,08 € 7,14 € 6,65 € 6,27 € 6,08 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-28	8051	8 bit	25 MHz	16 kB	1.25 kB	10 bit	25 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: 11,53 € 1 057In Stock 1 533Expected 20/11/2026	Mfr. Part No. C8051F411-GM Mouser Part No 634-C8051F411-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1 057In Stock 1 533Expected 20/11/2026	11,53 € 9,45 € 8,63 € 8,14 € View 8,11 € 7,73 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	8 bit	50 MHz	32 kB	2.31 kB	12 bit	20 I/O	2 V	5.25 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: 12,09 € 437In Stock 1 500Expected 16/10/2026	Mfr. Part No. C8051F411-GMR Mouser Part No 634-C8051F411-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	437In Stock 1 500Expected 16/10/2026	Cut Tape 12,09 € 9,86 € 9,04 € 8,49 € View Reel 7,53 € 8,44 € 8,13 € 7,64 € 7,53 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 500	SMD/SMT	QFN-28	8051	8 bit	50 MHz	32 kB	2.25 kB	12 bit	20 I/O	2 V	5.25 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24SU Microchip Technology 1: 1,28 € 615In Stock	Mfr. Part No. AT89C4051-24SU Mouser Part No 556-A89C4051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	615In Stock	1,28 € 1,18 € 1,06 €	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	8 bit	24 MHz	4 kB	128 B	No ADC	15 I/O	4 V	6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU C5130A 32K Flash USB AT89C5131A-PUTUM Microchip Technology 1: 6,50 € 130In Stock	Mfr. Part No. AT89C5131A-PUTUM Mouser Part No 556-A89C5131A-PUTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash USB	Datasheet	130In Stock	6,50 € 5,96 € 5,40 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	8 bit	48 MHz	32 kB	1 kB	No ADC	34 I/O	2.7 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V AT89C5131A-TISUL Microchip Technology 1: 9,09 € 21In Stock	Mfr. Part No. AT89C5131A-TISUL Mouser Part No 556-A89C5131ATISUL	Microchip Technology	8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V	Datasheet	21In Stock	9,09 € 8,35 €	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	8051	8 bit	48 MHz	32 kB	1 kB	No ADC	18 I/O	3 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU C51-CAN Bootloader CAN AT89C51CC02CA-SISUM Microchip Technology 1: 7,39 € 28In Stock	Mfr. Part No. AT89C51CC02CA-SISUM Mouser Part No 556-A89C51C02CASISUM	Microchip Technology	8-bit Microcontrollers - MCU C51-CAN Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	28In Stock	7,39 € 6,78 € 6,14 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU CTRL Bootloader CAN AT89C51CC02CA-TISUM Microchip Technology 1: 7,03 € 43In Stock	Mfr. Part No. AT89C51CC02CA-TISUM Mouser Part No 556-A89C51C02CATISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	43In Stock	7,03 € 6,45 € 5,86 €	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU CTRL Bootloader UART AT89C51CC02UA-SISUM Microchip Technology 1: 7,39 € 13In Stock	Mfr. Part No. AT89C51CC02UA-SISUM Mouser Part No 556-A89C51C02UASISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Bootloader UART Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	13In Stock	7,39 € 6,78 € 6,14 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU CTRL Boodloader UART AT89C51CC02UA-TISUM Microchip Technology 1: 7,03 € 54In Stock	Mfr. Part No. AT89C51CC02UA-TISUM Mouser Part No 556-A89C51C02UATISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Boodloader UART Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	54In Stock	7,03 € 6,45 € 5,86 €	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: 9,96 € 97In Stock	Mfr. Part No. AT89C51CC03CA-SLSUM Mouser Part No 556-A89C51C03CASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	97In Stock	9,96 € 9,15 € 8,27 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	64 kB	2 kB	10 bit	36 I/O	3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-SLSUL Microchip Technology 1: 8,32 € 4In Stock	Mfr. Part No. AT89C51RC2-SLSUL Mouser Part No 556-A89C51RC2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	4In Stock	8,32 € 7,62 € 6,89 €	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	32 I/O	2.7 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com AT89C51RC2-SLSUM Microchip Technology 1: 7,39 € 141In Stock	Mfr. Part No. AT89C51RC2-SLSUM Mouser Part No 556-A89C51RC2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	141In Stock	7,39 € 6,78 € 6,14 €	Min.: 1 Mult.: 1	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		Tube
8-bit Microcontrollers - MCU 20K FLASH - 24MHZ AT89C55WD-24AU Microchip Technology 1: 2,72 € 17In Stock	Mfr. Part No. AT89C55WD-24AU Mouser Part No 556-A89C55WD-24AU	Microchip Technology	8-bit Microcontrollers - MCU 20K FLASH - 24MHZ	Datasheet	17In Stock	2,72 € 2,52 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	20 kB	256 B	No ADC	32 I/O	4 V	5.5 V	+ 85 C		Tray