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8051 Core 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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 25 MHz 32 kB 8-bit MCU C8051F005-GQR Silicon Labs 1: $49.69 234In Stock End of Life	Mfr. Part # C8051F005-GQR Mouser Part # 634-C8051F005-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU	Datasheet	234In Stock	Cut Tape $49.69 $40.23 $37.87 $36.30 $34.03 Reel $34.03	Min.: 1 Mult.: 1 : 500	8051	32 kB	2.25 kB	TQFP-64	25 MHz	12 bit	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F005		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU C8051F045-GQ Silicon Labs 1: $31.61 566In Stock End of Life	Mfr. Part # C8051F045-GQ Mouser Part # 634-C8051F045-GQ End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU	Datasheet	566In Stock	$31.61 $25.92 $24.31 $22.52 View $21.66 $21.18 $21.05	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	TQFP-64	25 MHz	8 bit, 10 bit	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F045		Tray
8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU C8051F130-GQR Silicon Labs 1: $58.42 251In Stock End of Life	Mfr. Part # C8051F130-GQR Mouser Part # 634-C8051F130-GQR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU	Datasheet	251In Stock	Cut Tape $58.42 $47.30 $45.14 Reel $43.53 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	8051	128 kB	8.25 kB	TQFP-100	100 MHz		64 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F130		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-MCL+ Analog Devices / Maxim Integrated 1: $120.43 263In Stock	Mfr. Part # DS87C520-MCL+ Mouser Part # 700-DS87C520-MCL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	263In Stock	$120.43 $101.40 $100.53 $92.07 View Quote	Min.: 1 Mult.: 1	8051	16 kB	1 kB	PDIP-40	33 MHz	No ADC	32 I/O	4.5 V	5.5 V	Through Hole	8 bit	0 C	+ 70 C	DS87C520		Tube
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-QNL+ Analog Devices / Maxim Integrated 1: $122.54 334In Stock	Mfr. Part # DS87C520-QNL+ Mouser Part # 700-DS87C520-QNL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	334In Stock	$122.54 $103.20 $102.31 $93.70 View Quote	Min.: 1 Mult.: 1	8051	16 kB	1 kB	PLCC-44	33 MHz	No ADC	32 I/O	4.5 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	DS87C520		Tube
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers DS89C430-ENG+ Analog Devices / Maxim Integrated 1: $52.69 126In Stock	Mfr. Part # DS89C430-ENG+ Mouser Part # 700-DS89C430-ENG	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers	Datasheet	126In Stock	$52.69 $44.38 $42.38 $37.90 View $36.98 Quote	Min.: 1 Mult.: 1	8051	16 kB	1 kB	TQFP-44	33 MHz	No ADC	32 I/O	4.5 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	DS89C430		Tray
8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers DS89C430-MNL+ Analog Devices / Maxim Integrated 1: $59.33 74In Stock	Mfr. Part # DS89C430-MNL+ Mouser Part # 700-DS89C430-MNL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers	Datasheet	74In Stock	$59.33 $49.82 $45.66 $42.96 View $41.41 Quote	Min.: 1 Mult.: 1	8051	16 kB	1 kB	PDIP-40	33 MHz	No ADC	32 I/O	4.5 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	DS89C430		Tube
8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) IS32CS8974A-QWLCA3-TR Lumissil 1: $1.86 2,450In Stock New Product	Mfr. Part # IS32CS8974A-QWLCA3-TR Mouser Part # 870-32CS8974AQWLA3TR New Product	Lumissil	8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) Learn More about Lumissil is3xcs8974 mcus	Datasheet	2,450In Stock	Cut Tape $1.86 $1.58 $1.38 $1.31 Reel $1.03 View $1.16 $1.13 $1.01	Min.: 1 Mult.: 1 : 2,500	8051	32 KB	2 KB	WQFN-24	25 MHz		20 I/O	2.5 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU C8051F351-GM Silicon Labs 1: $23.10 978In Stock NRND	Mfr. Part # C8051F351-GM Mouser Part # 634-C8051F351-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU	Datasheet	978In Stock	$23.10 $18.09 $16.79 $15.47 View $15.32 $14.36 $14.10 Quote	Min.: 1 Mult.: 1	8051	8 kB	768 B	QFN-28	50 MHz	24 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F351		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F390-A-GM Silicon Labs 1: $6.29 997In Stock NRND	Mfr. Part # C8051F390-A-GM Mouser Part # 634-C8051F390-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	997In Stock	$6.29 $4.75 $4.36 $3.93 View $3.73 $3.72 $3.48 $3.40	Min.: 1 Mult.: 1	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		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F502-IM Silicon Labs 1: $16.86 548In Stock NRND	Mfr. Part # C8051F502-IM Mouser Part # 634-C8051F502-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU	Datasheet	548In Stock	$16.86 $13.52 $12.18 $11.40 View $11.09 $10.66 $10.53 Quote	Min.: 1 Mult.: 1	8051	64 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	C8051F502	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F550-IM Silicon Labs 1: $13.32 1,814In Stock NRND	Mfr. Part # C8051F550-IM Mouser Part # 634-C8051F550-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	1,814In Stock	$13.32 $10.32 $9.58 $8.74 View $8.35 $8.11 $7.89 $7.49	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	C8051F550	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F553-IM Silicon Labs 1: $12.82 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	$12.82 $10.24 $9.13 $8.52 View $8.31 $7.76 $7.01 $6.81	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 16K Bytes Shared with LDROM MS51FB9AE Nuvoton 1: $2.69 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 $2.69 $1.64 $1.38 Reel $1.38 $1.05 View $0.906 $0.795 $0.714 $0.612 $0.585	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 2kB Flash 128B RAM 24MHz 2.7V-6.0V AT89C2051-24PU Microchip Technology 1: $3.00 1,250In Stock	Mfr. Part # AT89C2051-24PU Mouser Part # 556-A89C2051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V	Datasheet	1,250In Stock	$3.00 $2.75 $2.48	Min.: 1 Mult.: 1	8051	2 kB	128 B	PDIP-20	24 MHz	No ADC	15 I/O	4 V	6 V	Through Hole	8 bit	- 40 C	+ 85 C	89C		Tube
8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V AT89C2051-12PU Microchip Technology 1: $3.00 841In 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	841In Stock	$3.00 $2.75 $2.48	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: $11.19 315In Stock 640Expected 2027-06-21	Mfr. Part # AT89C5131A-RDTUM Mouser Part # 556-A89C5131ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash	Datasheet	315In Stock 640Expected 2027-06-21	$11.19 $10.27 $9.27	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: $13.78 937In Stock 999Expected 2026-11-09	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	937In Stock 999Expected 2026-11-09	$13.78 $12.60 $11.43	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: $3.02 3,559In 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	3,559In Stock	$3.02 $2.78 $2.52	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: $13.06 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	$13.06 $11.97 $10.84	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: $8.12 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	$8.12 $7.42 $6.74	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: $8.68 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	$8.68 $7.95 $7.20	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: $6.13 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	$6.13 $5.63 $5.08	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 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM) C8051F330-GMR Silicon Labs 1: $15.18 1,063In Stock 3,000Expected 2027-06-11 NRND	Mfr. Part # C8051F330-GMR Mouser Part # 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 2027-06-11	Cut Tape $15.18 $12.60 $11.02 $10.11 View Reel $8.09 $9.68 $9.53 $8.09 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 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: $16.78 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	$16.78 $13.13 $12.23 $11.23 View $11.12 $10.47 $10.22 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