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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 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F553-IM Silicon Labs 1: €7.65 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F553-IM Mouser Part No 634-C8051F553-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	€7.65 €6.11 €5.45 €5.09 View €4.96 €4.64 €4.19 €4.12	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	8 bit	50 MHz	32 kB	2.25 kB	12 bit	18 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM MS51FB9AE Nuvoton 1: €1.61 5,276In Stock	Mfr. Part No. MS51FB9AE Mouser Part No 503-MS51FB9AE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	5,276In Stock	Cut Tape €1.61 €0.98 €0.825 Reel €0.825 €0.625 View €0.541 €0.475 €0.427 €0.366 €0.349	Min.: 1 Mult.: 1 : 74	SMD/SMT	TSSOP-20	8051	8 bit	24 MHz	16 kB	1 kB	12 bit	18 I/O	2.4 V	5.5 V	+ 105 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V AT89C2051-24PU Microchip Technology 1: €1.79 1,250In 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	1,250In 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 841In 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	841In 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 315In Stock 640On Order	Mfr. Part No. AT89C5131A-RDTUM Mouser Part No 556-A89C5131ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash	Datasheet	315In Stock 640On Order	€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 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	8 bit	40 MHz	32 kB	1.2 kB	10 bit	34 I/O	3 V	5.5 V	+ 85 C		Tube
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	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 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 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 €4.75 €4.30	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 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	8 bit	20 MHz	32 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C		Tray
RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F128RHAT CC2540F128RHAR Texas Instruments 1: €5.56 2,429In Stock	Mfr. Part No. CC2540F128RHAR Mouser Part No 595-CC2540F128RHAR	Texas Instruments	RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F128RHAT Learn More about Texas Instruments ticc2540	Datasheet	2,429In Stock	Cut Tape €5.56 €4.51 €4.22 €3.90 View Reel €3.29 €3.72 €3.59 €3.32 €3.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VQFN-40	8051	8 bit		128 kB	8 kB		21 I/O	2 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM) C8051F330-GMR Silicon Labs 1: €9.06 1,063In Stock 3,000Expected 11/06/2027 NRND	Mfr. Part No. C8051F330-GMR Mouser Part No 634-C8051F330-GMR NRND	Silicon Labs	8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)	Datasheet	1,063In Stock 3,000Expected 11/06/2027	Cut Tape €9.06 €7.53 €6.58 €6.04 View Reel €5.06 €5.78 €5.69 €5.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	8051	8 bit	25 MHz	8 kB	768 B	10 bit	17 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: €10.02 57In Stock NRND	Mfr. Part No. C8051F338-GM Mouser Part No 634-C8051F338-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	€10.02 €7.84 €7.30 €6.71 View €6.64 €6.25 €6.11 €5.79	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	8 bit	25 MHz	16 kB	768 B	10 bit	21 I/O	2.7 V	3.6 V	+ 85 C		Tube
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	8 bit	48 MHz	64 kB	4.25 kB	10 bit	25 I/O	2.7 V	5.25 V	+ 85 C		Tube
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	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 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	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 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	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 43In 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	43In Stock 81Expected 16/11/2026	€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 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	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