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8051 Core Embedded Processors & Controllers

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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.	Product Type	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V AT89C5131A-TISUL Microchip Technology 1: 9,09 € 20In Stock	Mfr. Part No. AT89C5131A-TISUL Mouser Part No 556-A89C5131ATISUL	Microchip Technology	8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V	Datasheet	20In Stock	9,09 € 8,35 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SOIC-28	8051	8 bit	48 MHz	32 kB	1 kB	No ADC	18 I/O	- 40 C	+ 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	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	- 40 C	+ 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	8-bit Microcontrollers - MCU	SMD/SMT	SOIC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	- 40 C	+ 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	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	- 40 C	+ 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	8-bit Microcontrollers - MCU	SMD/SMT	SOIC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: 9,96 € 43In Stock 81Expected 11/16/2026	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	43In Stock 81Expected 11/16/2026	9,96 € 9,15 € 8,27 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	64 kB	2 kB	10 bit	36 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT AT89C51CC03UA-SLSUM Microchip Technology 1: 9,96 € 34In Stock	Mfr. Part No. AT89C51CC03UA-SLSUM Mouser Part No 556-A89C51C03UASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	34In Stock	9,96 € 9,15 € 8,27 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	64 kB	2 kB	10 bit	36 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: 6,45 € 178In Stock 480Expected 11/17/2026	Mfr. Part No. AT89C51RB2-3CSUM Mouser Part No 556-A89C51RB2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	178In Stock 480Expected 11/17/2026	6,45 € 5,92 € 5,36 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	Through Hole	PDIP-40	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	- 40 C	+ 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	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	32 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 20K FLASH - 24MHZ AT89C55WD-24AU Microchip Technology 1: 2,72 € 313In Stock	Mfr. Part No. AT89C55WD-24AU Mouser Part No 556-A89C55WD-24AU	Microchip Technology	8-bit Microcontrollers - MCU 20K FLASH - 24MHZ	Datasheet	313In Stock	2,72 € 2,52 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	20 kB	256 B	No ADC	32 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC AT89S2051-24SU Microchip Technology 1: 2,24 € 3In Stock	Mfr. Part No. AT89S2051-24SU Mouser Part No 556-A89S2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC	Datasheet	3In Stock	2,24 € 2,06 € 1,87 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SOIC-20	8051	8 bit	24 MHz	2 kB	256 B	No ADC	15 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V AT80C51RD2-3CSUM Microchip Technology 1: 4,34 € 257In Stock	Mfr. Part No. AT80C51RD2-3CSUM Mouser Part No 556-AT80C51RD2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V	Datasheet	257In Stock	4,34 € 3,98 € 3,95 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	Through Hole	PDIP-40	8051	8 bit	40 MHz	0 B	1.25 kB	No ADC	32 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN AT89C51RB2T-RLTUL Microchip Technology 1: 6,68 € 31In Stock	Mfr. Part No. AT89C51RB2T-RLTUL Mouser Part No 556-AT89C51RB2TLTUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	31In Stock	6,68 € 6,13 € 5,55 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN AT89C51RC2T-RLTUM Microchip Technology 1: 7,04 € 39In Stock 1.440Expected 11/20/2026	Mfr. Part No. AT89C51RC2T-RLTUM Mouser Part No 556-AT89C51RC2TLTUM	Microchip Technology	8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	39In Stock 1.440Expected 11/20/2026	7,04 € 6,45 € 5,84 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	32 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V AT89C55WD-24JU Microchip Technology 1: 4,01 € 268In Stock 702Expected 11/9/2026	Mfr. Part No. AT89C55WD-24JU Mouser Part No 556-AT89C55WD-24JU	Microchip Technology	8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V	Datasheet	268In Stock 702Expected 11/9/2026	4,01 € 3,69 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-44	8051	8 bit	24 MHz	20 kB	256 B	No ADC	32 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20AU Microchip Technology 1: 1,48 € 610In Stock	Mfr. Part No. AT89LP51-20AU Mouser Part No 556-AT89LP51-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL Learn More about Microchip Technology atmelat89lp52	Datasheet	610In Stock	1,48 € 1,34 € 1,23 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	4 kB	256 B	No ADC	36 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20PU Microchip Technology 1: 5,07 € 133In Stock	Mfr. Part No. AT89LP51ED2-20PU Mouser Part No 556-AT89LP51ED2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	133In Stock	5,07 € 4,64 € 4,21 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	Through Hole	PDIP-40	8051	8 bit	20 MHz	64 kB	256 B	10 bit	40 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20PU Microchip Technology 1: 4,59 € 209In Stock	Mfr. Part No. AT89LP51RD2-20PU Mouser Part No 556-AT89LP51RD2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	209In Stock	4,59 € 4,23 € 3,82 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	Through Hole	PDIP-40	8051	8 bit	20 MHz	64 kB	256 B	10 bit	40 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20JU Microchip Technology 1: 2,97 € 103In Stock	Mfr. Part No. AT89LP52-20JU Mouser Part No 556-AT89LP52-20JU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Learn More about Microchip Technology atmelat89lp52	Datasheet	103In Stock	2,97 € 2,72 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-44	8051	8 bit	20 MHz	8 kB	256 B	No ADC	36 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-GMR Silicon Labs 1: 2,54 € 309In Stock	Mfr. Part No. C8051F850-C-GMR Mouser Part No 634-C8051F850-C-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	309In Stock	Cut Tape 2,54 € 1,89 € 1,73 € 1,55 € Reel 1,32 € View 1,46 € 1,43 € 1,36 € 1,29 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	8051	8 bit	25 MHz	8 kB	512 B	12 bit	16 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-139 Infineon Technologies 1: 8,29 € 186In Stock	Mfr. Part No. CY8C3245LTI-139 Mouser Part No 727-CY8C3245LTI-139	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	186In Stock	8,29 € 6,45 € 5,71 € 5,48 € View 5,23 € 5,08 € 4,88 € Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-48	8051	8 bit	50 MHz	32 kB	4 kB	12 bit	29 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3445PVI-094 Infineon Technologies 1: 10,61 € 134In Stock	Mfr. Part No. CY8C3445PVI-094 Mouser Part No 727-CY8C3445PVI-094	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	134In Stock	10,61 € 9,48 € 7,33 € 7,24 € View 6,96 € 6,46 € 6,30 € Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	32 kB	4 kB	12 bit	29 I/O	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 32K Flash 4K SRAM 8bit 67 MHz CY8C3666LTI-203 Infineon Technologies 1: 14,47 € 60In Stock	Mfr. Part No. CY8C3666LTI-203 Mouser Part No 727-CY8C3666LTI-203	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 4K SRAM 8bit 67 MHz Learn More about Infineon Technologies cypresspsoc3	Datasheet	60In Stock	14,47 € 11,46 € 10,25 € 9,87 € View 9,47 € 9,23 € 9,13 € Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-68	8051	8 bit	67 MHz	64 kB	8 kB	12 bit	46 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU C8051F005-GQ Silicon Labs 1: 30,41 € 174In Stock 800Expected 1/22/2027 End of Life	Mfr. Part No. C8051F005-GQ Mouser Part No 634-C8051F005-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU	Datasheet	174In Stock 800Expected 1/22/2027	30,41 € 25,40 € 22,95 € 21,67 €	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-64	8051	8 bit	25 MHz	32 kB	2.25 kB	12 bit	32 I/O	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQR Silicon Labs 1: 37,22 € 278In Stock End of Life	Mfr. Part No. C8051F021-GQR Mouser Part No 634-C8051F021-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	278In Stock	Cut Tape 37,22 € 30,55 € 28,50 € 28,05 € 27,98 € Reel 24,99 € MouseReel Available	Min.: 1 Mult.: 1 : 500	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-64	8051	8 bit	25 MHz	64 kB	4.35 kB	8 bit, 12 bit	32 I/O	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel