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8051 Core Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 High-Speed Microcontroller DS80C310-QCG+ Analog Devices / Maxim Integrated 1: $31.07 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	$31.07 $24.30 $23.21 $19.92 View $19.36 $18.88 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: $41.63 30In 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	30In Stock	$41.63 $35.04 $33.47 $28.58 View $27.78 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 CAN/C51 Boot CAN AT89C51CC02CA-RATUM Microchip Technology 1: $8.17 500Expected 29/09/2026	Mfr. Part No. AT89C51CC02CA-RATUM Mouser Part No 556-A89C51C02CARATUM	Microchip Technology	8-bit Microcontrollers - MCU CAN/C51 Boot CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	500Expected 29/09/2026	$8.17 $7.50 $6.81	Min.: 1 Mult.: 1	SMD/SMT	VQFP-32	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	3 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: $7.50 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 26/10/2026 480 Expected 17/11/2026 Factory Lead Time: 9 Weeks	$7.50 $6.88 $6.23	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	2.7 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin C8051F340-GQR Silicon Labs 1: $24.81 500Expected 06/10/2026	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	500Expected 06/10/2026	Cut Tape $24.81 $20.05 $18.34 $17.48 View Reel $15.41 $17.13 $15.41 Quote 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 50 MHz 8 kB 8-bit MCU C8051F353-GM Silicon Labs 1: $11.59 1,014Expected 02/10/2026	Mfr. Part No. C8051F353-GM Mouser Part No 634-C8051F353-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU	Datasheet	1,014Expected 02/10/2026	$11.59 $9.30 $8.37 $7.99 View $7.15 $7.05 $6.99 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	8 bit	50 MHz	8 kB	768 B	16 bit	17 I/O	2.7 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 C8051F390-A-GMR Silicon Labs 1: $4.11 1,497Expected 02/10/2026	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 02/10/2026	Cut Tape $4.11 $3.10 $2.85 $2.57 View Reel $2.33 $2.44 $2.42 $2.37 $2.33 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-24	8051	8 bit	50 MHz	16 kB	1 kB	10 bit	21 I/O	1.8 V	3.6 V	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16 C8051F860-C-GSR Silicon Labs 1: $2.94 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	Cut Tape $2.94 $2.19 $2.00 $1.80 View Reel $1.40 $1.70 $1.66 $1.65 $1.40 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 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20 C8051F530A-IT Silicon Labs 1: $6.56 6,694Expected 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	6,694Expected 01/01/2027	$6.56 $5.03 $4.37 $4.04 $3.88	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 20MHz 2.4V-5.5V AT89LP51ID2-20AU Microchip Technology 1: $6.03 480Expected 29/09/2026	Mfr. Part No. AT89LP51ID2-20AU Mouser Part No 556-AT89LP51ID2-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	480Expected 29/09/2026	$6.03 $5.52 $5.00	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	64 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM) C8051F300-GMR Silicon Labs 1: $7.12 1,400Expected 30/04/2027	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 30/04/2027	Cut Tape $7.12 $5.45 $5.04 $4.58 View Reel $4.23 $4.37 $4.24 $4.23 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-11	8051	8 bit	25 MHz	8 kB	256 B	8 bit	8 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM) C8051F301-GMR Silicon Labs 1: $7.24 3,000Expected 27/11/2026	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 27/11/2026	Cut Tape $7.24 $5.71 $5.13 $4.77 View Reel $4.06 $4.65 $4.43 $4.06 $4.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-11	8051	8 bit	25 MHz	8 kB	256 B	No ADC	8 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU C8051F330-GM Silicon Labs 1: $10.34 1,911Expected 16/10/2026 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	1,911Expected 16/10/2026	$10.34 $8.29 $7.39 $6.92 View $6.73 $6.57	Min.: 1 Mult.: 1	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		Tube
8-bit Microcontrollers - MCU 8051 100 MHz 32 kB MAC 8-bit MCU C8051F362-C-GM Silicon Labs 1: $15.49 1,431Expected 29/01/2027 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	1,431Expected 29/01/2027	$15.49 $12.13 $11.29 $10.37 View $10.29 $9.76 $9.65 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 20 PINS UART 2K FLASH-2MHZ 4V-5.5V AT89C2051-12SU Microchip Technology 1: $1.51 109Expected 01/10/2026	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	109Expected 01/10/2026	$1.51 $1.39 $1.25	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 12MHZ 4V-5.5V AT89C4051-12SU Microchip Technology 1: $1.50 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	$1.50 $1.38 $1.24	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	8 bit	12 MHz	4 kB	128 B	No ADC	15 I/O	2.7 V	6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20JU Microchip Technology 1: $3.45 130On Order	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	130On Order	$3.45 $3.16 $3.12	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	20 MHz	8 kB	256 B	No ADC	36 I/O	2.4 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM) C8051F331-GMR Silicon Labs 1: $9.02 1,500Expected 09/10/2026 End of Life	Mfr. Part No. C8051F331-GMR Mouser Part No 634-C8051F331-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)	Datasheet	1,500Expected 09/10/2026	Cut Tape $9.02 $6.99 $6.48 $6.20 Reel $6.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-20	8051	8 bit	25 MHz	8 kB	768 B	No ADC	17 I/O	2.7 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: $13.64 370Expected 30/04/2027 End of Life	Mfr. Part No. C8051F508-IM Mouser Part No 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 30/04/2027	$13.64 $10.69 $9.95 $9.14 View $9.05 $8.75	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	8051	8 bit	50 MHz	64 kB	4.25 kB	12 bit	33 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU C8051F531-C-IT Silicon Labs 1: $7.25 1,551Expected 01/01/2027 End of Life	Mfr. Part No. C8051F531-C-IT Mouser Part No 634-C8051F531-C-IT End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU	Datasheet	1,551Expected 01/01/2027	$7.25 $5.77 $5.22	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	25 MHz	8 kB	256 B	12 bit	16 I/O	2 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F580-IM Silicon Labs 1: $16.07 810Expected 29/01/2027 End of Life	Mfr. Part No. C8051F580-IM Mouser Part No 634-C8051F580-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	810Expected 29/01/2027	$16.07 $14.15 $12.47 $11.03	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	24 MHz	128 kB	8.25 kB	12 bit	40 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051 ML51LD1AE Nuvoton 1: $2.99 500Expected 18/06/2027	Mfr. Part No. ML51LD1AE Mouser Part No 503-ML51LD1AE	Nuvoton	8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051	Datasheet	500Expected 18/06/2027	Cut Tape $2.99 $1.95 $1.77 $1.53 Reel $1.29 View $1.12 $1.10 $1.09 $1.04	Min.: 1 Mult.: 1 : 250	SMD/SMT	LQFP-48	8051	8 bit	24 MHz	64 kB	4 kB	12 bit	43 I/O	1.8 V	3.6 V	+ 105 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51PB9AE Nuvoton 1: $2.45 499Expected 21/10/2027	Mfr. Part No. ML51PB9AE Mouser Part No 503-ML51PB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	499Expected 21/10/2027	$2.45 $1.58 $1.41 $1.17 View $1.09 $0.954 $0.843 $0.832	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	8051	8 bit	24 MHz	16 kB	2 kB	12 bit	28 I/O	1.8 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051 ML51TC0AE Nuvoton 1: $1.59 490Expected 29/06/2027	Mfr. Part No. ML51TC0AE Mouser Part No 503-ML51TC0AE	Nuvoton	8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	490Expected 29/06/2027	$1.59 $1.35 $1.18 $1.12 View $0.989 $0.969 $0.945	Min.: 1 Mult.: 1	SMD/SMT	QFN-33	8051	8 bit	24 MHz	32 kB	2 kB	12 bit	28 I/O	1.8 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V AT89C51AC3-RDTUM Microchip Technology 1: $10.21 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51AC3-RDTUM Mouser Part No 556-A89C51AC3RDTUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	$10.21 $9.38 $8.47	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