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8051 Core 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 32 kB 5 V 8-bit MCU C8051F553-IM Silicon Labs 1: S/ 33.75 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part # C8051F553-IM Mouser Part # 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	S/ 33.75 S/ 27.99 S/ 23.78 S/ 22.77 View S/ 21.49 S/ 18.29 S/ 17.83	Min.: 1 Mult.: 1	8051	32 kB	2.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F553	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU C8051F860-C-GS Silicon Labs 1: S/ 11.68 225In Stock NRND	Mfr. Part # C8051F860-C-GS Mouser Part # 634-C8051F860-C-GS NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	225In Stock	S/ 11.68 S/ 8.72 S/ 7.94 S/ 7.12 View S/ 6.73 S/ 6.58 S/ 6.27 S/ 6.07 S/ 5.96	Min.: 1 Mult.: 1	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	AEC-Q100	Tube
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM MS51FB9AE Nuvoton 1: S/ 7.28 5,276In Stock	Mfr. Part # MS51FB9AE Mouser Part # 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 S/ 7.28 S/ 4.44 S/ 3.73 Reel S/ 3.73 S/ 2.83 View S/ 2.45 S/ 2.15 S/ 1.93 S/ 1.65 S/ 1.58	Min.: 1 Mult.: 1 : 74	8051	16 kB	1 kB	TSSOP-20	24 MHz	12 bit	18 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V AT89C2051-12PU Microchip Technology 1: S/ 8.10 842In Stock	Mfr. Part # AT89C2051-12PU Mouser Part # 556-A89C205112PU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V	Datasheet	842In Stock	S/ 8.10 S/ 7.43 S/ 6.70	Min.: 1 Mult.: 1	8051	2 kB	128 B	PDIP-20	12 MHz	No ADC	15 I/O	2.7 V	6 V	Through Hole	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU C5130A 32K Flash AT89C5131A-RDTUM Microchip Technology 1: S/ 30.24 775In Stock	Mfr. Part # AT89C5131A-RDTUM Mouser Part # 556-A89C5131ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash	Datasheet	775In Stock	S/ 30.24 S/ 27.75 S/ 25.07	Min.: 1 Mult.: 1	8051	32 kB	1 kB	VQFP-64	48 MHz	No ADC	34 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tray
8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND AT89C51CC01UA-SLSUM Microchip Technology 1: S/ 37.25 947In Stock 999Expected 11/9/2026	Mfr. Part # AT89C51CC01UA-SLSUM Mouser Part # 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	S/ 37.25 S/ 34.06 S/ 30.91	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 4K ISP FLASH 2.7 TO 5.5V - 24MHz AT89S51-24AU Microchip Technology 1: S/ 8.17 4,109In Stock	Mfr. Part # AT89S51-24AU Mouser Part # 556-A89S51-24AU	Microchip Technology	8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz	Datasheet	4,109In Stock	S/ 8.17 S/ 7.51 S/ 6.81	Min.: 1 Mult.: 1	8051	4 kB	128 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 CAN TQFP44 TRAY I. Bootloader CAN GREEN AT89C51CC01CAT-RLTUM Microchip Technology 1: S/ 35.30 762In Stock	Mfr. Part # AT89C51CC01CAT-RLTUM Mouser Part # 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	S/ 35.30 S/ 32.35 S/ 29.31	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	TQFP-44	40 MHz	10 bit	34 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AAU Microchip Technology 1: S/ 21.95 676In Stock	Mfr. Part # AT89LP51ED2-20AAU Mouser Part # 556-AT89LP51ED220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	676In Stock	S/ 21.95 S/ 20.05 S/ 18.22	Min.: 1 Mult.: 1	8051	64 kB	256 B	LQFP-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 64KB 20MHz 2.4V-5.5V AT89LP51ID2-20AAU Microchip Technology 1: S/ 23.47 267In Stock	Mfr. Part # AT89LP51ID2-20AAU Mouser Part # 556-AT89LP51ID220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	267In Stock	S/ 23.47 S/ 22.89	Min.: 1 Mult.: 1	8051	64 kB	256 B	LQFP-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 Single-Cycle 805132K ISP Flash,2.4-5.5V AT89LP51RC2-20AU Microchip Technology 1: S/ 16.58 468In Stock	Mfr. Part # AT89LP51RC2-20AU Mouser Part # 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	S/ 16.58 S/ 15.22 S/ 13.74	Min.: 1 Mult.: 1	8051	32 kB	256 B	TQFP-44	20 MHz	10 bit	40 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F311-GMR Silicon Labs 1: S/ 48.11 355In Stock 3,000Expected 11/27/2026	Mfr. Part # C8051F311-GMR Mouser Part # 634-C8051F311-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU	Datasheet	355In Stock 3,000Expected 11/27/2026	Cut Tape S/ 48.11 S/ 38.34 S/ 34.72 S/ 32.46 View Reel S/ 28.30 S/ 32.31 S/ 30.09 S/ 29.15 S/ 28.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	16 kB	1.25 kB	QFN-28	25 MHz	10 bit	25 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F311		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GMR Silicon Labs 1: S/ 54.73 337In Stock 1,500On Order	Mfr. Part # C8051F411-GMR Mouser Part # 634-C8051F411-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	337In Stock 1,500On Order	Cut Tape S/ 54.73 S/ 44.65 S/ 40.91 S/ 38.42 View Reel S/ 34.10 S/ 38.19 S/ 36.78 S/ 34.57 S/ 34.10 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	32 kB	2.25 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F411		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: S/ 45.35 57In Stock NRND	Mfr. Part # C8051F338-GM Mouser Part # 634-C8051F338-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	S/ 45.35 S/ 35.50 S/ 33.05 S/ 30.36 View S/ 30.05 S/ 28.30 S/ 27.64 Quote	Min.: 1 Mult.: 1	8051	16 kB	768 B	QFN-24	25 MHz	10 bit	21 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F338		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F381-GM Silicon Labs 1: S/ 28.26 415In Stock 1,533Expected 6/18/2027 NRND	Mfr. Part # C8051F381-GM Mouser Part # 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 6/18/2027	S/ 28.26 S/ 21.80 S/ 20.16 S/ 18.37 View S/ 17.05 S/ 17.01 S/ 16.50	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F381		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F411-GM Silicon Labs 1: S/ 52.59 1,052In Stock 1,533Expected 11/4/2026 NRND	Mfr. Part # C8051F411-GM Mouser Part # 634-C8051F411-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU	Datasheet	1,052In Stock 1,533Expected 11/4/2026	S/ 52.59 S/ 43.17 S/ 39.39 S/ 37.21 View S/ 37.06 S/ 35.19 Quote	Min.: 1 Mult.: 1	8051	32 kB	2.31 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F411		Tube
8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V AT89C2051-12SU Microchip Technology 1: S/ 5.88 59In Stock	Mfr. Part # AT89C2051-12SU Mouser Part # 556-A89C205112SU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V	Datasheet	59In Stock	S/ 5.88 S/ 5.41 S/ 4.87	Min.: 1 Mult.: 1	8051	2 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
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24SU Microchip Technology 1: S/ 5.80 515In Stock	Mfr. Part # AT89C4051-24SU Mouser Part # 556-A89C4051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	515In Stock	S/ 5.80 S/ 5.33 S/ 4.75	Min.: 1 Mult.: 1	8051	4 kB	128 B	SOIC-20	24 MHz	No ADC	15 I/O	4 V	6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU C5130A 32K Flash USB AT89C5131A-PUTUM Microchip Technology 1: S/ 29.43 130In Stock	Mfr. Part # AT89C5131A-PUTUM Mouser Part # 556-A89C5131A-PUTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash USB	Datasheet	130In Stock	S/ 29.43 S/ 26.98 S/ 24.44	Min.: 1 Mult.: 1	8051	32 kB	1 kB	QFN-32	48 MHz	No ADC	34 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tray
8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V AT89C5131A-TISUL Microchip Technology 1: S/ 41.14 20In Stock	Mfr. Part # AT89C5131A-TISUL Mouser Part # 556-A89C5131ATISUL	Microchip Technology	8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V	Datasheet	20In Stock	S/ 41.14 S/ 37.76 S/ 37.25	Min.: 1 Mult.: 1	8051	32 kB	1 kB	SOIC-28	48 MHz	No ADC	18 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU C51-CAN Bootloader CAN AT89C51CC02CA-SISUM Microchip Technology 1: S/ 33.44 28In Stock	Mfr. Part # AT89C51CC02CA-SISUM Mouser Part # 556-A89C51C02CASISUM	Microchip Technology	8-bit Microcontrollers - MCU C51-CAN Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	28In Stock	S/ 33.44 S/ 30.67 S/ 27.79	Min.: 1 Mult.: 1	8051	16 kB	512 B	PLCC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU CTRL Bootloader CAN AT89C51CC02CA-TISUM Microchip Technology 1: S/ 31.80 43In Stock	Mfr. Part # AT89C51CC02CA-TISUM Mouser Part # 556-A89C51C02CATISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	43In Stock	S/ 31.80 S/ 29.19 S/ 26.51	Min.: 1 Mult.: 1	8051	16 kB	512 B	SOIC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU CTRL Bootloader UART AT89C51CC02UA-SISUM Microchip Technology 1: S/ 33.44 13In Stock	Mfr. Part # AT89C51CC02UA-SISUM Mouser Part # 556-A89C51C02UASISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Bootloader UART Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	13In Stock	S/ 33.44 S/ 30.67 S/ 27.79	Min.: 1 Mult.: 1	8051	16 kB	512 B	PLCC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: S/ 45.08 70In Stock	Mfr. Part # AT89C51CC03CA-SLSUM Mouser Part # 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	S/ 45.08 S/ 41.42 S/ 37.45	Min.: 1 Mult.: 1	8051	64 kB	2 kB	PLCC-44	60 MHz	10 bit	36 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-SLSUL Microchip Technology 1: S/ 37.64 4In Stock	Mfr. Part # AT89C51RC2-SLSUL Mouser Part # 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	S/ 37.64 S/ 34.49 S/ 31.18	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	PLCC-44	60 MHz	No ADC	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C		Tube