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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 CAN-STICK Bootloader UART IND AT89C51CC01UA-SLSUM Microchip Technology 1: €8.23 937In Stock 999Expected 09/11/2026	Mfr. Part No. AT89C51CC01UA-SLSUM Mouser Part No 556-A89C51C01UASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	937In Stock 999Expected 09/11/2026	€8.23 €7.53 €6.83	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	34 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz AT89S51-24AU Microchip Technology 1: €1.81 3,659In 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	3,659In Stock	€1.81 €1.66 €1.51	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
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	34 I/O	8 bit	10 bit
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	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ID2-20AAU Microchip Technology 1: €5.19 267In Stock	Mfr. Part No. AT89LP51ID2-20AAU Mouser Part No 556-AT89LP51ID220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	267In Stock	€5.19 €5.06	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V AT89LP51RC2-20AU Microchip Technology 1: €3.66 468In 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	468In Stock	€3.66 €3.36 €3.04	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F311-GMR Silicon Labs 1: €10.63 355In 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	355In Stock 3,000Expected 27/11/2026	Cut Tape €10.63 €8.47 €7.67 €7.17 View Reel €6.25 €7.14 €6.65 €6.44 €6.25 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	25 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: €12.09 1,837In Stock	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	1,837In Stock	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 : 2,500	SMD/SMT	QFN-28	8051	20 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F381-GM Silicon Labs 1: €6.24 415In Stock 1,533Expected 18/06/2027 NRND	Mfr. Part No. C8051F381-GM Mouser Part No 634-C8051F381-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	415In Stock 1,533Expected 18/06/2027	€6.24 €4.82 €4.45 €4.06 View €3.77 €3.76 €3.65	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	25 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: €11.62 1,052In Stock 1,533Expected 04/11/2026 NRND	Mfr. Part No. C8051F411-GM Mouser Part No 634-C8051F411-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1,052In Stock 1,533Expected 04/11/2026	€11.62 €9.54 €8.70 €8.22 View €8.19 €7.77 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	20 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V AT89C2051-12SU Microchip Technology 1: €1.30 59In Stock	Mfr. Part No. AT89C2051-12SU Mouser Part No 556-A89C205112SU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V	Datasheet	59In Stock	€1.30 €1.20 €1.08	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 AT89C4051-24SU Microchip Technology 1: €1.28 515In 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	515In Stock	€1.28 €1.18 €1.06	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	15 I/O	8 bit	No ADC
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	34 I/O	8 bit	No ADC
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	SMD/SMT	SOIC-28	8051	18 I/O	8 bit	No ADC
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	20 I/O	8 bit	10 bit
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	20 I/O	8 bit	10 bit
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	20 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: €9.96 70In Stock 81Expected 16/11/2026	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	70In Stock 81Expected 16/11/2026	€9.96 €9.15 €8.27	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: €6.45 178In Stock 480Expected 17/11/2026	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 17/11/2026	€6.45 €5.92 €5.36	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
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	32 I/O	8 bit	No ADC
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	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC AT89S2051-24SU Microchip Technology 1: €2.24 4In Stock	Mfr. Part No. AT89S2051-24SU Mouser Part No 556-A89S2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC	Datasheet	4In Stock	€2.24 €2.06 €1.87	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	15 I/O	8 bit	No ADC
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	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
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 €5.54	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN AT89C51RC2T-RLTUM Microchip Technology 1: €7.04 39In Stock 1,440On Order	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 1,440On Order	€7.04 €6.45 €5.84	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC