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8051 Core 8 bit Embedded Processors & Controllers

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Core = 8051 Data Bus Width = 8 bit

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 C51RC2 FLASH 32k TQFP44 Ind 5V GREEN AT89C51RC2T-RLTUL Microchip Technology 1: ¥1,526.5 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	¥1,526.5 ¥1,400.2 ¥1,269	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: ¥3,733.9 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	¥3,733.9 ¥3,192.4 ¥2,657.6 ¥2,569.6 View ¥2,499.8 ¥2,330.4 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: ¥1,832.1 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	¥1,832.1 ¥1,679.3 ¥1,521.5	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: ¥3,817 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	¥3,817 ¥3,018 ¥2,747.3 ¥2,619.4 View ¥2,332 ¥2,293.8 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	31 I/O	8 bit	20 bit
8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN AT89C51IC2T-RLTUM Microchip Technology 1: ¥1,390.3 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	¥1,390.3 ¥1,274 ¥1,156.1	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: ¥1,734.1 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	¥1,734.1 ¥1,533.1 ¥1,186 ¥1,071.3 View ¥973.3 ¥971.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	29 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 AT89C51RD2T-RLRUM Microchip Technology 1: ¥1,425.1 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 ¥1,425.1 ¥1,388.6 Reel ¥1,184.3	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: ¥3,672.5 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	¥3,672.5 ¥2,943.3 ¥2,694.1 ¥2,606.1 View ¥2,498.1 ¥2,428.4 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	28 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLTUM Microchip Technology 1: ¥661.1 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	¥661.1 ¥606.3 ¥549.8	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: ¥1,657.7 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	¥1,657.7 ¥1,322.2 ¥1,131.1 ¥1,092.9 View ¥1,086.3 ¥1,006.6 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	70 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: ¥523.2 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	¥523.2 ¥480 ¥475	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: ¥2,381.9 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	¥2,381.9 ¥1,876.9 ¥1,674.3 ¥1,611.2 View ¥1,541.4 ¥1,503.2 ¥1,468.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	48 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: ¥2,587.8 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	¥2,587.8 ¥2,044.7 ¥1,769 ¥1,710.8 View ¥1,579.6 ¥1,578 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	72 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GM Silicon Labs 1: ¥1,873.6 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	¥1,873.6 ¥1,503.2 ¥1,333.8 ¥1,265.7 View ¥1,217.5 ¥1,192.6 ¥1,166 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	17 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V AT89C51IC2-SLSUL Microchip Technology 1: ¥1,496.6 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	¥1,496.6 ¥1,373.6 ¥1,244.1	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	34 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLSUL Microchip Technology 1: ¥1,353.7 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	¥1,353.7 ¥1,244.1 ¥1,121.2	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: ¥792.3 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	¥792.3 ¥724.2 ¥714.2	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 C8051F390-A-GMR Silicon Labs 1: ¥724.2 1,497In Stock	Mfr. Part # C8051F390-A-GMR Mouser Part # 634-C8051F390-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24	Datasheet	1,497In Stock	Cut Tape ¥724.2 ¥546.5 ¥501.6 ¥451.8 View Reel ¥392 ¥428.5 ¥426.9 ¥400.3 ¥392 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-24	8051	21 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: ¥2,478.2 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	¥2,478.2 ¥1,955 ¥1,689.2 ¥1,636.1 View ¥1,634.4 ¥1,481.6 ¥1,383.6	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: ¥3,632.6 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	¥3,632.6 ¥3,004.7 ¥2,702.4 ¥2,594.5 View ¥2,469.9 ¥2,420.1 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	31 I/O	8 bit	20 bit
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-MNL+ Analog Devices / Maxim Integrated 1: ¥10,570.6 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	¥10,570.6 ¥10,336.4 ¥10,113.8 ¥9,911.2 View Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	32 I/O	8 bit	No ADC
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AU Microchip Technology 1: ¥848.8 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	¥848.8 ¥779 ¥705.9	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	40 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GMR Silicon Labs 1: ¥1,563 1,408In Stock	Mfr. Part # C8051F336-GMR Mouser Part # 634-C8051F336-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	1,408In Stock	Cut Tape ¥1,563 ¥1,320.5 ¥1,219.2 ¥1,166 Reel ¥991.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	8051	17 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20AU Microchip Technology 1: ¥1,943.4 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	¥1,943.4 ¥1,780.6 ¥1,614.5	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	38 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU C8051F327-GMR Silicon Labs 1: ¥830.5 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 ¥830.5 ¥632.8 ¥583 ¥528.2 View Reel ¥413.6 ¥501.6 ¥486.7 ¥413.6	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	15 I/O	8 bit