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8051 Core Embedded Processors & Controllers

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Core = 8051

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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	Number of I/Os	Data Bus Width	ADC Resolution
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: $22.98 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	$22.98 $18.16 $16.54 $15.76 View $15.23 $14.98 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	31 I/O	8 bit	20 bit
8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Ind 5V GREEN AT89C51RC2T-RLTUL Microchip Technology 1: $9.19 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	$9.19 $8.43 $7.64 $7.59	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies 1: $22.48 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	$22.48 $19.22 $16.00 $15.47 View $15.44 $14.02 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	31 I/O	8 bit	20 bit
8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 CANBOOT GREEN AT89C51CC03CAT-RLTUM Microchip Technology 1: $11.03 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	$11.03 $10.11 $9.37 $9.36 View $9.35 $9.11	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GM Silicon Labs 1: $11.38 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	$11.38 $9.05 $8.16 $7.65 View $7.33 $7.18 $7.02 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	17 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 16K Flash ADC AT89C5115-TISUM Microchip Technology 1: $9.20 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	$9.20 $9.01 $8.43 $7.63	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	8051	20 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: $3.15 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	$3.15 $2.89 $2.79 $2.78	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: $14.34 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	$14.34 $11.30 $10.08 $9.70 View $9.28 $9.05 $8.84 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	48 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V AT89C51IC2-SLSUL Microchip Technology 1: $8.95 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	$8.95 $8.27 $8.05 $7.88 $7.49	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN AT89C51IC2T-RLTUM Microchip Technology 1: $8.37 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	$8.37 $7.67 $6.96 $6.95	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: $10.43 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	$10.43 $9.23 $7.13 $6.31 View $5.86 $5.84 $5.79 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	29 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLSUL Microchip Technology 1: $8.15 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	$8.15 $7.53 $7.49 $7.23 View $6.93 Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V AT89S51-24JU Microchip Technology 1: $4.77 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	$4.77 $4.36 $4.18	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: $14.92 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	$14.92 $11.77 $10.17 $9.85 View $9.84 $8.92 $8.33	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	70 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-067 Infineon Technologies 1: $21.87 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	$21.87 $18.09 $16.27 $15.62 View $14.87 $14.57 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	31 I/O	8 bit	20 bit
8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind. AT89C51ID2-SLSUM Microchip Technology 1: $12.67 431In Stock	Mfr. Part # AT89C51ID2-SLSUM Mouser Part # 556-A89C51ID2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind. Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	431In Stock	$12.67 $11.61 $10.52	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLTUM Microchip Technology 1: $3.98 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	$3.98 $3.65 $3.31	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN AT89C51RB2T-RLTUL Microchip Technology 1: $7.77 631In Stock	Mfr. Part # AT89C51RB2T-RLTUL Mouser Part # 556-AT89C51RB2TLTUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	631In Stock	$7.77 $7.13 $6.45 $6.44	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies 1: $9.98 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	$9.98 $7.96 $6.81 $6.58 View $6.54 $6.06 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	70 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: $15.58 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	$15.58 $12.31 $10.65 $10.30 View $9.51 $9.50 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	72 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 AT89C51RD2T-RLRUM Microchip Technology 1: $8.58 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 $8.58 $8.36 $7.71 Reel $7.09	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-44	8051	34 I/O	8 bit
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-027 Infineon Technologies 1: $21.74 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	$21.74 $17.72 $16.22 $15.48 View $15.04 $14.62 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	28 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-MNL+ Analog Devices / Maxim Integrated 1: $63.64 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	$63.64 $62.23 $60.89 $59.67	Min.: 1 Mult.: 1 Max.: 243	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F327-GMR Silicon Labs 1: $5.00 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 $5.00 $3.81 $3.51 $3.18 View Reel $2.85 $3.02 $2.93 $2.89 $2.85	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	15 I/O	8 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GMR Silicon Labs 1: $11.65 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 $11.65 $9.12 $8.49 $7.80 View Reel $6.73 $7.72 $7.27 $7.10 $6.73 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-24	8051	21 I/O	8 bit	10 bit