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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	Packaging
8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Ind 5V GREEN AT89C51RC2T-RLTUL Microchip Technology 1: $13.23 2,782In Stock	Mfr. Part # AT89C51RC2T-RLTUL Mouser Part # 556-AT89C51RC2TLTUL	Microchip Technology	8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Ind 5V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	2,782In Stock	$13.23 $12.14 $11.00 $10.93	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	TQFP-44	60 MHz	No ADC	32 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies 1: $32.37 1,924In Stock	Mfr. Part # CY8C3866PVI-021 Mouser Part # 727-CY8C3866PVI-021	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	1,924In Stock	$32.37 $27.68 $23.04 $22.28 View $21.67 $20.20 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	SSOP-48	67 MHz	20 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tube
8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 CANBOOT GREEN AT89C51CC03CAT-RLTUM Microchip Technology 1: $15.88 1,726In Stock	Mfr. Part # AT89C51CC03CAT-RLTUM Mouser Part # 556-AT89C51CC03CATUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 CANBOOT GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,726In Stock	$15.88 $14.56 $13.49 $13.48 View $13.46 $13.12	Min.: 1 Mult.: 1	8051	64 kB	2 kB	TQFP-44	60 MHz	10 bit	36 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: $33.09 2,034In Stock	Mfr. Part # CY8C3866LTI-068 Mouser Part # 727-CY8C3866LTI-068	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2,034In Stock	$33.09 $26.16 $23.82 $22.71 View $20.22 $19.89 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	67 MHz	20 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tray
8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLSUL Microchip Technology 1: $11.74 286In Stock	Mfr. Part # AT89C51RB2-SLSUL Mouser Part # 556-A89C51RB2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	286In Stock	$11.74 $10.84 $10.79 $10.60 View $10.58 $9.98 Quote	Min.: 1 Mult.: 1	8051	16 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
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V AT89S51-24JU Microchip Technology 1: $6.87 349In Stock	Mfr. Part # AT89S51-24JU Mouser Part # 556-A89S51-24JU	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V	Datasheet	349In Stock	$6.87 $6.28 $6.02	Min.: 1 Mult.: 1	8051	4 kB	128 B	PLCC-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: $21.48 3,435In Stock	Mfr. Part # CY8C3446AXI-105 Mouser Part # 727-CY8C3446AXI-105	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	3,435In Stock	$21.48 $16.95 $14.64 $14.18 View $14.17 $12.84 $12.00	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3446	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-067 Infineon Technologies 1: $31.49 286In Stock	Mfr. Part # CY8C3866LTI-067 Mouser Part # 727-CY8C3866LTI-067	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	286In Stock	$31.49 $26.05 $23.43 $22.49 View $21.41 $20.98 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	67 MHz	20 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tray
8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN AT89C51IC2T-RLTUM Microchip Technology 1: $12.05 191In Stock	Mfr. Part # AT89C51IC2T-RLTUM Mouser Part # 556-AT89C51IC2TLTUM	Microchip Technology	8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	191In Stock	$12.05 $11.04 $10.02 $10.01	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	TQFP-44	60 MHz	No ADC	34 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: $15.03 586In Stock	Mfr. Part # CY8C3246PVI-122 Mouser Part # 727-CY8C3246PVI-122	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	586In Stock	$15.03 $13.29 $10.28 $9.29 View $8.44 $8.42 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	SSOP-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tube
8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 AT89C51RD2T-RLRUM Microchip Technology 1: $12.36 2,059In Stock	Mfr. Part # AT89C51RD2T-RLRUM Mouser Part # 556-AT89C51RD2TLRUM	Microchip Technology	8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	2,059In Stock	Cut Tape $12.36 $12.04 $11.10 Reel $10.21	Min.: 1 Mult.: 1 : 2,000	8051	64 kB	2 kB	TQFP-44	60 MHz		34 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-027 Infineon Technologies 1: $31.84 147In Stock	Mfr. Part # CY8C3666LTI-027 Mouser Part # 727-CY8C3666LTI-027	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	147In Stock	$31.84 $25.52 $23.36 $22.59 View $21.66 $21.05 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	67 MHz	12 bit	28 I/O	1.71 V	1.89 V	SMD/SMT	8 bit		+ 85 C	CY8C3666	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GM Silicon Labs 1: $16.39 2,590In Stock NRND	Mfr. Part # C8051F336-GM Mouser Part # 634-C8051F336-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	2,590In Stock	$16.39 $13.03 $11.75 $11.02 View $10.56 $10.34 $10.11 Quote	Min.: 1 Mult.: 1	8051	16 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	C8051F336	Tube
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V AT89C51IC2-SLSUL Microchip Technology 1: $12.89 460In Stock	Mfr. Part # AT89C51IC2-SLSUL Mouser Part # 556-A89C51IC2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	460In Stock	$12.89 $11.91 $11.59 $11.35 $10.79	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	PLCC-44	60 MHz	No ADC	34 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: $22.44 620In Stock	Mfr. Part # CY8C3246AXI-138 Mouser Part # 727-CY8C3246AXI-138	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	620In Stock	$22.44 $17.73 $15.34 $14.83 View $13.69 $13.68 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	CY8C3246	Tray
8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLTUM Microchip Technology 1: $5.73 1,929In Stock	Mfr. Part # AT80C51RD2T-RLTUM Mouser Part # 556-AT80C51RD2TLTUM	Microchip Technology	8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,929In Stock	$5.73 $5.26 $4.77	Min.: 1 Mult.: 1	8051		1.25 kB	TQFP-44	40 MHz	No ADC	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies 1: $14.37 678In Stock	Mfr. Part # CY8C3245AXI-158 Mouser Part # 727-CY8C3245AXI-158	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	678In Stock	$14.37 $11.46 $9.81 $9.48 View $9.42 $8.73 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245	Tray
8-bit Microcontrollers - MCU 16K Flash ADC AT89C5115-TISUM Microchip Technology 1: $13.25 1,019In Stock	Mfr. Part # AT89C5115-TISUM Mouser Part # 556-A89C5115TISUM	Microchip Technology	8-bit Microcontrollers - MCU 16K Flash ADC Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,019In Stock	$13.25 $12.97 $12.14 $10.99	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 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: $4.54 3,742In Stock	Mfr. Part # AT89C51RC-24AU Mouser Part # 556-A89C51RC-24AU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	3,742In Stock	$4.54 $4.16 $4.02 $4.00	Min.: 1 Mult.: 1	8051	32 kB	512 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: $20.65 2,600In Stock	Mfr. Part # CY8C3246LTI-128 Mouser Part # 727-CY8C3246LTI-128	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2,600In Stock	$20.65 $16.27 $14.52 $13.97 View $13.36 $13.03 $12.73 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	50 MHz	12 bit	48 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-MNL+ Analog Devices / Maxim Integrated 1: $91.64 304In Stock	Mfr. Part # DS87C520-MNL+ Mouser Part # 700-DS87C520-MNL	Analog Devices / Maxim Integrated	8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	304In Stock	$91.64 $89.61 $87.68 $85.92 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	- 40 C	+ 85 C	DS87C520	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F327-GMR Silicon Labs 1: $7.20 3,007In Stock	Mfr. Part # C8051F327-GMR Mouser Part # 634-C8051F327-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU	Datasheet	3,007In Stock	Cut Tape $7.20 $5.49 $5.05 $4.58 View Reel $4.10 $4.35 $4.22 $4.16 $4.10	Min.: 1 Mult.: 1 : 2,500	8051	16 kB	1.54 kB	QFN-28	25 MHz		15 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F327	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GMR Silicon Labs 1: $16.78 2,731In Stock	Mfr. Part # C8051F338-GMR Mouser Part # 634-C8051F338-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	2,731In Stock	Cut Tape $16.78 $13.13 $12.23 $11.23 View Reel $9.69 $11.12 $10.47 $10.22 $9.69 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20AU Microchip Technology 1: $15.77 437In Stock	Mfr. Part # AT89LP6440-20AU Mouser Part # 556-AT89LP6440-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash	Datasheet	437In Stock	$15.77 $15.68 $14.72 $14.62 View $14.00 $13.94	Min.: 1 Mult.: 1	8051	64 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 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AU Microchip Technology 1: $6.57 872In Stock	Mfr. Part # AT89LP51RD2-20AU Mouser Part # 556-AT89LP51RD2-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	872In Stock	$6.57 $6.12 $6.11 $6.09 $5.92	Min.: 1 Mult.: 1	8051	64 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