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8051 Core Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 CANBOOT GREEN AT89C51CC03CAT-RLTUM Microchip Technology 1: HK$90.67 1,726In Stock	Mfr. Part No. AT89C51CC03CAT-RLTUM Mouser Part No 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	HK$90.67 HK$83.10 HK$77.02 HK$76.94 View HK$76.86 HK$74.88	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	64 kB	2 kB	10 bit	36 I/O	3 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: HK$188.90 2,034In Stock	Mfr. Part No. CY8C3866LTI-068 Mouser Part No 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	HK$188.90 HK$149.28 HK$135.96 HK$129.55 View HK$125.19 HK$123.14 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	31 I/O	1.71 V	1.89 V	+ 85 C	Tray
8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Ind 5V GREEN AT89C51RC2T-RLTUL Microchip Technology 1: HK$75.54 2,782In Stock	Mfr. Part No. AT89C51RC2T-RLTUL Mouser Part No 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	HK$75.54 HK$69.29 HK$62.80 HK$62.39	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	32 I/O	2.7 V	3.6 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies 1: HK$184.79 1,924In Stock	Mfr. Part No. CY8C3866PVI-021 Mouser Part No 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	HK$184.79 HK$157.99 HK$131.52 HK$127.16 View HK$126.92 HK$115.24 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	31 I/O	1.71 V	1.89 V	+ 85 C	Tube
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm SI1060-A-GM Silicon Labs 1: HK$100.61 2,404In Stock NRND	Mfr. Part No. SI1060-A-GM Mouser Part No 634-SI1060-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	2,404In Stock	HK$100.61 HK$78.34 HK$72.91 HK$66.99 View HK$66.34 HK$62.39 HK$60.99 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-36	8051	8 bit	25 MHz	64 kB	4 kB	10 bit	11 I/O	1.8 V	3.6 V	+ 85 C	Tray
RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F256RHAT CC2540F256RHAR Texas Instruments 1: HK$57.87 19,382In Stock	Mfr. Part No. CC2540F256RHAR Mouser Part No 595-CC2540F256RHAR	Texas Instruments	RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F256RHAT Learn More about Texas Instruments ticc2540	Datasheet	19,382In Stock	Cut Tape HK$57.87 HK$44.39 HK$41.02 HK$37.32 View Reel HK$33.54 HK$35.51 HK$34.44 HK$34.03 HK$33.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VQFN-40	8051	8 bit		256 kB	8 kB		21 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 AT89C51RD2T-RLRUM Microchip Technology 1: HK$70.53 2,059In Stock	Mfr. Part No. AT89C51RD2T-RLRUM Mouser Part No 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 HK$70.53 HK$68.72 HK$63.38 Reel HK$58.28	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	64 kB	2 kB		34 I/O	2.7 V	5.5 V	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-027 Infineon Technologies 1: HK$178.70 147In Stock	Mfr. Part No. CY8C3666LTI-027 Mouser Part No 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	HK$178.70 HK$145.66 HK$133.33 HK$127.25 View HK$123.63 HK$120.18 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	8 bit	67 MHz	64 kB	8 kB	12 bit	28 I/O	1.71 V	1.89 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind. AT89C51ID2-SLSUM Microchip Technology 1: HK$104.15 431In Stock	Mfr. Part No. AT89C51ID2-SLSUM Mouser Part No 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	HK$104.15 HK$95.43 HK$86.47	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	64 kB	1.75 kB	No ADC	34 I/O	2.7 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLTUM Microchip Technology 1: HK$32.72 1,929In Stock	Mfr. Part No. AT80C51RD2T-RLTUM Mouser Part No 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	HK$32.72 HK$30.00 HK$27.21	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	40 MHz		1.25 kB	No ADC	32 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN AT89C51RB2T-RLTUL Microchip Technology 1: HK$63.87 631In Stock	Mfr. Part No. AT89C51RB2T-RLTUL Mouser Part No 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	HK$63.87 HK$58.61 HK$53.02 HK$52.94	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	2.7 V	3.6 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies 1: HK$82.04 678In Stock	Mfr. Part No. CY8C3245AXI-158 Mouser Part No 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	HK$82.04 HK$65.43 HK$55.98 HK$54.09 View HK$53.76 HK$49.81 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	32 kB	4 kB	12 bit	70 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: HK$128.07 620In Stock	Mfr. Part No. CY8C3246AXI-138 Mouser Part No 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	HK$128.07 HK$101.19 HK$87.54 HK$84.67 View HK$78.17 HK$78.09 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	72 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 16K Flash ADC AT89C5115-TISUM Microchip Technology 1: HK$75.62 1,019In Stock	Mfr. Part No. AT89C5115-TISUM Mouser Part No 556-A89C5115TISUM	Microchip Technology	8-bit Microcontrollers - MCU 16K Flash ADC Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,019In Stock	HK$75.62 HK$74.06 HK$69.29 HK$62.72	Min.: 1 Mult.: 1	SMD/SMT	SOIC-28	8051	8 bit	40 MHz	16 kB	512 B	10 bit	20 I/O	3 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: HK$25.89 3,742In Stock	Mfr. Part No. AT89C51RC-24AU Mouser Part No 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	HK$25.89 HK$23.76 HK$22.93 HK$22.85	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	32 kB	512 B	No ADC	32 I/O	4 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: HK$117.87 2,600In Stock	Mfr. Part No. CY8C3246LTI-128 Mouser Part No 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	HK$117.87 HK$92.89 HK$82.86 HK$79.73 View HK$76.28 HK$74.39 HK$72.66 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	48 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN AT89C51IC2T-RLTUM Microchip Technology 1: HK$68.80 191In Stock	Mfr. Part No. AT89C51IC2T-RLTUM Mouser Part No 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	HK$68.80 HK$63.05 HK$57.21 HK$57.13	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	34 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: HK$85.73 586In Stock	Mfr. Part No. CY8C3246PVI-122 Mouser Part No 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	HK$85.73 HK$75.87 HK$58.61 HK$51.87 View HK$48.17 HK$48.00 HK$47.59 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GM Silicon Labs 1: HK$93.54 2,590In Stock NRND	Mfr. Part No. C8051F336-GM Mouser Part No 634-C8051F336-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	2,590In Stock	HK$93.54 HK$74.39 HK$67.08 HK$62.88 View HK$60.25 HK$59.02 HK$57.70 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	8 bit	25 MHz	16 kB	768 B	10 bit	17 I/O	2.7 V	3.6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V AT89C51IC2-SLSUL Microchip Technology 1: HK$73.57 460In Stock	Mfr. Part No. AT89C51IC2-SLSUL Mouser Part No 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	HK$73.57 HK$67.98 HK$66.17 HK$64.77 HK$61.57	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	32 kB	1.25 kB	No ADC	34 I/O	2.7 V	3.6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLSUL Microchip Technology 1: HK$66.99 286In Stock	Mfr. Part No. AT89C51RB2-SLSUL Mouser Part No 556-A89C51RB2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	286In Stock	HK$66.99 HK$61.90 HK$61.57 HK$59.43 View HK$56.96 Quote	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	60 MHz	16 kB	1.25 kB	No ADC	32 I/O	2.7 V	3.6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V AT89S51-24JU Microchip Technology 1: HK$39.21 349In Stock	Mfr. Part No. AT89S51-24JU Mouser Part No 556-A89S51-24JU	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V	Datasheet	349In Stock	HK$39.21 HK$35.84 HK$34.36	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 bit	24 MHz	4 kB	128 B	No ADC	32 I/O	4 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: HK$122.64 3,435In Stock	Mfr. Part No. CY8C3446AXI-105 Mouser Part No 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	HK$122.64 HK$96.75 HK$83.60 HK$80.97 View HK$80.88 HK$73.32 HK$68.47	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	70 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-067 Infineon Technologies 1: HK$179.77 286In Stock	Mfr. Part No. CY8C3866LTI-067 Mouser Part No 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	HK$179.77 HK$148.70 HK$133.74 HK$128.40 View HK$122.23 HK$119.77 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	8 bit	67 MHz	64 kB	8 kB	20 bit	31 I/O	1.71 V	1.89 V	+ 85 C	Tray
8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers DS87C520-MNL+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS87C520-MNL+ Mouser Part No 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 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	Through Hole	PDIP-40	8051	8 bit	33 MHz	16 kB	1 kB	No ADC	32 I/O	4.5 V	5.5 V	+ 85 C	Tube