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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 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-162 Infineon Technologies 1: €10.66 2In Stock	Mfr. Part No. CY8C3246LTI-162 Mouser Part No 727-CY8C3246LTI-162	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2In Stock	€10.66 €8.67 €8.26 €7.18 View €6.85 €5.99 €5.78 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-085 Infineon Technologies 1: €13.89 6In Stock	Mfr. Part No. CY8C3446LTI-085 Mouser Part No 727-CY8C3446LTI-085	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	6In Stock	€13.89 €10.87 €9.79 €9.25 View €8.83 €8.57 €8.43 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	48 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU C8051F021-GQ Silicon Labs 1: €37.63 5In Stock End of Life	Mfr. Part No. C8051F021-GQ Mouser Part No 634-C8051F021-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU	Datasheet	5In Stock	€37.63 €31.08 €29.01 €28.05 View €26.72 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	8051	8 bit	25 MHz	64 kB	4.35 kB	8 bit, 12 bit	32 I/O	2.7 V	3.6 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU C8051F022-GQ Silicon Labs 1: €31.67 6In Stock End of Life	Mfr. Part No. C8051F022-GQ Mouser Part No 634-C8051F022-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU	Datasheet	6In Stock	€31.67 €25.65 €24.14 €23.14 €21.69	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	25 MHz	64 kB	4.35 kB	8 bit, 10 bit	64 I/O	2.7 V	3.6 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU C8051F120-GQR Silicon Labs 1: €47.52 5In Stock 250Expected 19/11/2027 End of Life	Mfr. Part No. C8051F120-GQR Mouser Part No 634-C8051F120-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU	Datasheet	5In Stock 250Expected 19/11/2027	Cut Tape €47.52 €38.83 €36.65 €35.64 Reel €33.13	Min.: 1 Mult.: 1 : 250	SMD/SMT	TQFP-100	8051	8 bit	100 MHz	128 kB	8.25 kB	8 bit, 12 bit	64 I/O	3 V	3.6 V	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F563-IQ Silicon Labs 1: €8.20 175In Stock End of Life	Mfr. Part No. C8051F563-IQ Mouser Part No 634-C8051F563-IQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU	Datasheet	175In Stock	€8.20 €6.35 €5.88 €5.38 View €5.13 €4.99 €4.86 €4.60	Min.: 1 Mult.: 1	SMD/SMT	QFP-32	8051	8 bit	50 MHz	32 kB	2.25 kB		25 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU High-Speed Microcontroller DS80C310-MCG+ Analog Devices / Maxim Integrated 1: €28.45 60In Stock	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	60In Stock	€28.45 €23.95 €22.88 €20.46 View €18.95 €18.67 Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	8 bit	25 MHz	64 kB	256 B	No ADC	32 I/O	4 V	5.5 V	+ 70 C		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	SMD/SMT	PLCC-44	8051	8 bit	25 MHz	64 kB	256 B	No ADC	32 I/O	4 V	5.5 V	+ 70 C		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	Through Hole	PDIP-40	8051	8 bit	33 MHz	64 kB	256 B	No ADC	32 I/O	4.5 V	5.5 V	+ 70 C		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	SMD/SMT	QFN-32	8051	8 bit	50 MHz	32 kB	4.25 kB	12 bit	25 I/O	1.8 V	5.25 V	+ 125 C	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	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	32 kB	4.25 kB	10 bit	38 I/O	2.4 V	3.6 V	+ 85 C		Tray
RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F128RHAR CC2540F128RHAT Texas Instruments 1: €7.05 250In Stock	Mfr. Part No. CC2540F128RHAT Mouser Part No 595-CC2540F128RHAT	Texas Instruments	RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F128RHAR Learn More about Texas Instruments ticc2540	Datasheet	250In Stock	Cut Tape €7.05 €5.81 €5.44 €5.19 Reel €4.48 View €4.47 €4.38 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-40	8051	8 bit		128 kB	8 kB			2 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM) C8051F381-GMR Silicon Labs 1: €6.24 60In Stock	Mfr. Part No. C8051F381-GMR Mouser Part No 634-C8051F381-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)	Datasheet	60In Stock	Cut Tape €6.24 €4.82 €4.45 €4.06 View Reel €3.47 €3.77 €3.76 €3.65 €3.47	Min.: 1 Mult.: 1 : 2,500	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		Reel, Cut Tape
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	SMD/SMT	QFN-32	8051	8 bit	48 MHz	32 kB	2.25 kB	10 bit	25 I/O	2.7 V	5.25 V	+ 85 C		Tube
8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin C8051F340-GQR Silicon Labs 1: €22.26 998Expected 15/01/2027	Mfr. Part No. C8051F340-GQR Mouser Part No 634-C8051F340-GQR	Silicon Labs	8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin	Datasheet	998Expected 15/01/2027	Cut Tape €22.26 €17.97 €16.46 €16.02 Reel €14.24 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TQFP-48	8051	8 bit	48 MHz	64 kB	4.25 kB	10 bit	40 I/O	2.7 V	5.25 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F311-GMR Silicon Labs 1: €10.63 4,952On Order	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	4,952On Order On Order Ship Dates Mfr. No: C8051F311-GMR Stock: 0 On Order: 2,452 Expected 27/11/2026 2,500 Expected 01/01/2027 Factory Lead Time: 16 Weeks	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	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 100 MHz 32 kB MAC 8-bit MCU C8051F362-C-GM Silicon Labs 1: €13.42 1,421Expected 15/01/2027 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	1,421Expected 15/01/2027	€13.42 €10.79 €9.74 €9.14 View €9.09 €8.57 €8.31 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	8 bit	100 MHz	32 kB	1 kB	10 bit	25 I/O	3 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-RDTUM Microchip Technology 1: €9.49 319Expected 17/11/2026	Mfr. Part No. AT89C51CC03CA-RDTUM Mouser Part No 556-A89C51C03CARDTUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	319Expected 17/11/2026	€9.49 €8.71 €7.89	Min.: 1 Mult.: 1	SMD/SMT	VQFP-64	8051	8 bit	60 MHz	64 kB	2 kB	10 bit	36 I/O	3 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com AT89C51RC2-SLSUM Microchip Technology 1: €7.39 Lead-Time 10 Weeks	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	Lead-Time 10 Weeks	€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 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20JU Microchip Technology 1: €5.09 999Expected 21/12/2026	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 21/12/2026	€5.09 €4.65 €4.21	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	20 MHz	64 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16 C8051F860-C-GSR Silicon Labs 1: €2.56 8,674On 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	8,674On Order On Order Ship Dates Mfr. No: C8051F860-C-GSR Stock: 0 On Order: 1,174 Expected 13/11/2026 2,500 Expected 25/12/2026 5,000 Expected 25/01/2027 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	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		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU C8051F120-GQ Silicon Labs 1: €47.52 Lead-Time 28 Weeks End of Life	Mfr. Part No. C8051F120-GQ Mouser Part No 634-C8051F120-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU	Datasheet	Lead-Time 28 Weeks	€47.52 €38.83 €36.65 €35.64 €33.13	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	100 MHz	128 kB	8.25 kB	8 bit, 12 bit	64 I/O	3 V	3.6 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU C8051F124-GQ Silicon Labs 1: €41.78 1,102Expected 24/11/2026 End of Life	Mfr. Part No. C8051F124-GQ Mouser Part No 634-C8051F124-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU	Datasheet	1,102Expected 24/11/2026	€41.78 €34.52 €32.34 €31.25 Quote Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	128 kB	8.25 kB	8 bit, 12 bit	64 I/O	2.7 V	3.6 V	+ 85 C		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 01/01/2027 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 01/01/2027	€5.64 €4.33 €3.76 €3.47 €3.34	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	25 MHz	8 kB	256 B	12 bit	16 I/O	1.8 V	5.25 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F930-G-GM Silicon Labs 1: €4.82 Lead-Time 22 Weeks End of Life	Mfr. Part No. C8051F930-G-GM Mouser Part No 634-C8051F930-G-GM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	Lead-Time 22 Weeks	€4.82 €3.82 €3.41 €3.16 View €3.08 €2.92 €2.91	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	8 bit	25 MHz	64 kB	4.25 kB	10 bit	24 I/O	1.8 V	3.6 V	+ 85 C		Tube