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8051 Core 8-bit 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.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU C8051F581-IM Silicon Labs 1: 13,54 € 106In Stock End of Life	Mfr. Part No. C8051F581-IM Mouser Part No 634-C8051F581-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	106In Stock	13,54 € 10,60 € 9,87 € 9,06 € View 8,98 € 8,85 € 8,75 € Quote	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	QFN-48	50 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F581	AEC-Q100	Tube
8-bit Microcontrollers - MCU High-Speed Microcontroller DS80C310-MCG+ Analog Devices / Maxim Integrated 1: 28,45 € 10In Stock 50Expected 10/29/2026	Mfr. Part No. DS80C310-MCG+ Mouser Part No 700-DS80C310-MCG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed Microcontroller Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	10In Stock 50Expected 10/29/2026	28,45 € 23,95 € 22,88 € 20,46 € View 18,95 € 18,67 € Quote	Min.: 1 Mult.: 1	8051	64 kB	256 B	PDIP-40	25 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	0 C	+ 70 C	DS80C310		Tube
8-bit Microcontrollers - MCU High-Speed Microcontroller DS80C310-QCG+ Analog Devices / Maxim Integrated 1: 26,72 € 13In Stock	Mfr. Part No. DS80C310-QCG+ Mouser Part No 700-DS80C310-QCG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed Microcontroller Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	13In Stock	26,72 € 20,90 € 19,96 € 17,13 € View 16,65 € 16,24 € Quote	Min.: 1 Mult.: 1	8051	64 kB	256 B	PLCC-44	25 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	0 C	+ 70 C	DS80C310		Tube
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers DS80C320-MCL+ Analog Devices / Maxim Integrated 1: 35,80 € 5In Stock	Mfr. Part No. DS80C320-MCL+ Mouser Part No 700-DS80C320-MCL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	5In Stock	35,80 € 30,13 € 28,78 € 24,58 € View 23,89 € 23,61 € Quote	Min.: 1 Mult.: 1	8051	64 kB	256 B	PDIP-40	33 MHz	No ADC	32 I/O	4.5 V	5.5 V	Through Hole	8 bit	0 C	+ 70 C	DS80C320		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F506-IM Silicon Labs 1: 9,92 € 6In Stock NRND	Mfr. Part No. C8051F506-IM Mouser Part No 634-C8051F506-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	6In Stock	9,92 € 7,77 € 7,23 € 6,64 € View 6,57 € 6,18 € 6,05 € Quote	Min.: 1 Mult.: 1	8051	32 kB	4.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F506	AEC-Q100	Tube
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL AT89LP3240-20AU Microchip Technology 1: 9,02 € 60In Stock	Mfr. Part No. AT89LP3240-20AU Mouser Part No 556-AT89LP3240-20AU	Microchip Technology	8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL	Datasheet	60In Stock	9,02 € 8,30 € 8,27 €	Min.: 1 Mult.: 1	8051	32 kB	4.25 kB	TQFP-44	20 MHz	10 bit	38 I/O	2.4 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F383-GM Silicon Labs 1: 5,19 € 3In Stock NRND	Mfr. Part No. C8051F383-GM Mouser Part No 634-C8051F383-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	3In Stock	5,19 € 3,97 € 3,67 € 3,34 € View 3,18 € 3,09 € 3,04 €	Min.: 1 Mult.: 1	8051	32 kB	2.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F383		Tube
8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM AT89C51RB2-SLSUM Microchip Technology 1: 6,46 € 3.290On Order	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	3.290On Order On Order Ship Dates Mfr. No: AT89C51RB2-SLSUM Stock: 0 On Order: 644 Expected 10/30/2026 2.646 Expected 11/6/2026 Factory Lead Time: 10 Weeks	6,46 € 5,93 € 5,38 €	Min.: 1 Mult.: 1	8051	16 kB	1.25 kB	PLCC-44	60 MHz	No ADC	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND AT89C51CC01UA-SLSUM Microchip Technology 1: 8,23 € 947In Stock 999Expected 11/9/2026	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	947In Stock 999Expected 11/9/2026	8,23 € 7,53 € 6,83 €	Min.: 1 Mult.: 1	8051	32 kB	1.2 kB	PLCC-44	40 MHz	10 bit	34 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU C8051F313-GMR Silicon Labs 1: 8,29 € Lead-Time 16 Weeks	Mfr. Part No. C8051F313-GMR Mouser Part No 634-C8051F313-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU	Datasheet	Lead-Time 16 Weeks	Cut Tape 8,29 € 6,45 € 5,99 € 5,49 € 5,20 € Reel 5,11 €	Min.: 1 Mult.: 1 : 2.500	8051	8 kB	1.25 kB	QFN-24	25 MHz	10 bit	25 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F313		Reel, Cut Tape
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM) C8051F330-GMR Silicon Labs 1: 9,04 € 4.063On Order 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	4.063On Order On Order Ship Dates Mfr. No: C8051F330-GMR Stock: 0 On Order: 1.063 Expected 10/20/2026 3.000 Expected 6/11/2027 Factory Lead Time: 21 Weeks	Cut Tape 9,04 € 7,18 € 6,48 € 6,05 € View Reel 5,43 € 5,89 € 5,56 € 5,43 € 5,43 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8051	8 kB	768 B	QFN-20	25 MHz	10 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F330		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 100 MHz 32 kB MAC 8-bit MCU C8051F362-C-GM Silicon Labs 1: 13,42 € 1.431Expected 1/15/2027 NRND	Mfr. Part No. C8051F362-C-GM Mouser Part No 634-C8051F362-C-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 100 MHz 32 kB MAC 8-bit MCU	Datasheet	1.431Expected 1/15/2027	13,42 € 10,79 € 9,74 € 9,14 € View 9,09 € 8,57 € 8,31 € Quote	Min.: 1 Mult.: 1	8051	32 kB	1 kB	QFN-28	100 MHz	10 bit	25 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: 6,45 € 660On Order	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	660On Order On Order Ship Dates Mfr. No: AT89C51RB2-3CSUM Stock: 0 On Order: 180 Expected 10/30/2026 480 Expected 11/17/2026 Factory Lead Time: 9 Weeks	6,45 € 5,92 € 5,36 €	Min.: 1 Mult.: 1	8051	16 kB	1.25 kB	PDIP-40	60 MHz	No ADC	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20JU Microchip Technology 1: 5,09 € 999Expected 12/21/2026	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	999Expected 12/21/2026	5,09 € 4,65 € 4,21 €	Min.: 1 Mult.: 1	8051	64 kB	256 B	PLCC-44	20 MHz	10 bit	40 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 C8051F390-A-GMR Silicon Labs 1: 3,75 € 1.497Expected 10/21/2026	Mfr. Part No. C8051F390-A-GMR Mouser Part No 634-C8051F390-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24	Datasheet	1.497Expected 10/21/2026	Cut Tape 3,75 € 2,83 € 2,60 € 2,34 € View Reel 2,03 € 2,22 € 2,21 € 2,07 € 2,03 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8051	16 kB	1 kB	QFN-24	50 MHz	10 bit	21 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F390		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16 C8051F860-C-GSR Silicon Labs 1: 2,56 € 3.674On Order	Mfr. Part No. C8051F860-C-GSR Mouser Part No 634-C8051F860-C-GSR	Silicon Labs	8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	3.674On Order On Order Ship Dates Mfr. No: C8051F860-C-GSR Stock: 0 On Order: 1.174 Expected 10/27/2026 2.500 Expected 12/25/2026 Factory Lead Time: 12 Weeks	Cut Tape 2,56 € 2,00 € 1,78 € 1,63 € View Reel 1,26 € 1,59 € 1,50 € 1,26 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8051	8 kB	512 B	SOIC-16	25 MHz	12 bit	13 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F860		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-099 Infineon Technologies 1: 14,67 € 179Expected 11/20/2026	Mfr. Part No. CY8C3446AXI-099 Mouser Part No 727-CY8C3446AXI-099	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	179Expected 11/20/2026	14,67 € 11,15 € 10,68 € 9,41 € View 8,95 € 8,65 € 8,38 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	72 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3446		Tray
8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20 C8051F530A-IT Silicon Labs 1: 5,64 € 3.854Expected 1/1/2027 End of Life	Mfr. Part No. C8051F530A-IT Mouser Part No 634-C8051F530A-IT End of Life	Silicon Labs	8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20	Datasheet	3.854Expected 1/1/2027	5,64 € 4,33 € 3,76 € 3,47 € 3,34 €	Min.: 1 Mult.: 1	8051	8 kB	256 B	TSSOP-20	25 MHz	12 bit	16 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F530A		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU C8051F353-GM Silicon Labs 1: 10,46 € 1.533Expected 12/4/2026 NRND	Mfr. Part No. C8051F353-GM Mouser Part No 634-C8051F353-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	1.533Expected 12/4/2026	10,46 € 8,19 € 7,62 € 7,00 € View 6,93 € 6,52 € 6,37 € Quote	Min.: 1 Mult.: 1	8051	8 kB	768 B	QFN-28	50 MHz	16 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F353		Tube
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24AU Microchip Technology 1: 1,95 € 5.594On Order	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	5.594On Order On Order Ship Dates Mfr. No: AT89S52-24AU Stock: 0 On Order: 2.394 Expected 1/18/2027 3.200 Expected 1/26/2027 Factory Lead Time: 19 Weeks	1,95 € 1,79 € 1,63 €	Min.: 1 Mult.: 1	8051	8 kB	256 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S		Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AU Microchip Technology 1: 4,85 € 1.344Expected 1/11/2027	Mfr. Part No. AT89LP51ED2-20AU Mouser Part No 556-AT89LP51ED2-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	1.344Expected 1/11/2027	4,85 € 4,43 € 4,02 €	Min.: 1 Mult.: 1	8051	64 kB	256 B	TQFP-44	20 MHz	10 bit	36 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM) C8051F300-GMR Silicon Labs 1: 6,34 € 1.400Expected 11/27/2026	Mfr. Part No. C8051F300-GMR Mouser Part No 634-C8051F300-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)	Datasheet	1.400Expected 11/27/2026	Cut Tape 6,34 € 5,00 € 4,49 € 4,17 € View Reel 3,71 € 4,07 € 3,93 € 3,75 € 3,71 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8051	8 kB	256 B	QFN-11	25 MHz	8 bit	8 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F300		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM) C8051F301-GMR Silicon Labs 1: 6,23 € 3.000Expected 11/27/2026	Mfr. Part No. C8051F301-GMR Mouser Part No 634-C8051F301-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)	Datasheet	3.000Expected 11/27/2026	Cut Tape 6,23 € 4,91 € 4,41 € 4,10 € View Reel 3,49 € 4,00 € 3,81 € 3,49 € 3,49 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8051	8 kB	256 B	QFN-11	25 MHz	No ADC	8 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F301		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU C8051F330-GM Silicon Labs 1: 9,06 € 1.911On Order NRND	Mfr. Part No. C8051F330-GM Mouser Part No 634-C8051F330-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU	Datasheet	1.911On Order On Order Ship Dates Mfr. No: C8051F330-GM Stock: 0 On Order: 1.085 Expected 10/20/2026 826 Expected 10/30/2026 Factory Lead Time: 21 Weeks	9,06 € 7,07 € 6,57 € 6,03 € View 5,72 € 5,61 € 5,48 € 5,22 €	Min.: 1 Mult.: 1	8051	8 kB	768 B	QFN-20	25 MHz	10 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F330		Tube
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V AT89C4051-12SU Microchip Technology 1: 1,29 € 552On Order	Mfr. Part No. AT89C4051-12SU Mouser Part No 556-A89C405112SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V	Datasheet	552On Order	1,29 € 1,19 € 1,07 €	Min.: 1 Mult.: 1	8051	4 kB	128 B	SOIC-20	12 MHz	No ADC	15 I/O	2.7 V	6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube