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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 Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 C51RC2 FLASH 32k TQFP44 Ind 5V GREEN AT89C51RC2T-RLTUL Microchip Technology Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GM Silicon Labs 1: HK$92.31 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$92.31 HK$74.39 HK$65.51 HK$62.55 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 20 PINS UART 2K FLASH-24MHZ 4-5.5V AT89C2051-24SU Microchip Technology 1: HK$11.84 2,438In Stock	Mfr. Part No. AT89C2051-24SU Mouser Part No 556-A89C2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V	Datasheet	2,438In Stock	HK$11.84 HK$10.93 HK$9.86	Min.: 1 Mult.: 1	SMD/SMT	SOIC-20	8051	8 bit	24 MHz	2 kB	128 B	No ADC	15 I/O	4 V	6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 AT89C51RD2T-RLRUM Microchip Technology Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN AT89C51IC2T-RLTUM Microchip Technology Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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
8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLSUL Microchip Technology Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 334In 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	334In 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 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 C8051F390-A-GMR Silicon Labs Restricted Availability	Mfr. Part No. C8051F390-A-GMR Mouser Part No 634-C8051F390-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SMD/SMT	QFN-24	8051	8 bit	50 MHz	16 kB	1 kB	10 bit	21 I/O	1.8 V	3.6 V	+ 105 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 C51RD2 ROMless TQFP44 Ind 5V GREEN AT80C51RD2T-RLTUM Microchip Technology Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm SI1061-A-GM Silicon Labs 1: HK$92.97 2,389In Stock NRND	Mfr. Part No. SI1061-A-GM Mouser Part No 634-SI1061-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	2,389In Stock	HK$92.97 HK$74.97 HK$68.97 HK$64.20 View HK$60.01 HK$58.53 HK$57.95 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-36	8051	8 bit	25 MHz	32 kB	4 kB	10 bit	11 I/O	1.8 V	3.6 V	+ 85 C	Tray
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20AU Microchip Technology 1: HK$91.16 437In Stock	Mfr. Part No. AT89LP6440-20AU Mouser Part No 556-AT89LP6440-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash	Datasheet	437In Stock	HK$91.16 HK$90.83 HK$84.91 HK$83.27 View HK$78.34 HK$78.25	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	64 kB	4.25 kB	10 bit	38 I/O	2.4 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$41.51 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$41.51 HK$36.58 HK$34.94 HK$32.88 View Reel HK$29.43 HK$31.56 HK$30.66 HK$30.25 HK$29.43 Quote 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 8051 25 MHz 16 kB 8-bit MCU C8051F327-GMR Silicon Labs 1: HK$41.10 3,007In Stock	Mfr. Part No. C8051F327-GMR Mouser Part No 634-C8051F327-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU	Datasheet	3,007In Stock	Cut Tape HK$41.10 HK$31.32 HK$28.85 HK$26.14 View Reel HK$20.47 HK$24.82 HK$24.08 HK$20.47 Quote	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-28	8051	8 bit	25 MHz	16 kB	1.54 kB		15 I/O	2.7 V	5.25 V	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GMR Silicon Labs 1: HK$95.76 2,631In Stock	Mfr. Part No. C8051F338-GMR Mouser Part No 634-C8051F338-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	2,631In Stock	Cut Tape HK$95.76 HK$74.97 HK$69.79 HK$64.12 View Reel HK$50.80 HK$63.46 HK$59.76 HK$50.80 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-24	8051	8 bit	25 MHz	16 kB	768 B	10 bit	21 I/O	2.7 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20AU Microchip Technology 1: HK$37.32 872In Stock	Mfr. Part No. AT89LP51RD2-20AU Mouser Part No 556-AT89LP51RD2-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	872In Stock	HK$37.32 HK$36.91 HK$34.61 HK$33.95 View HK$33.54 HK$33.46	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	64 kB	256 B	10 bit	40 I/O	2.4 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244AXI-153 Infineon Technologies Restricted Availability	Mfr. Part No. CY8C3244AXI-153 Mouser Part No 727-CY8C3244AXI-153	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	16 kB	2 kB	12 bit	70 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V AT89LP4052-20XU Microchip Technology 1: HK$23.02 88In Stock	Mfr. Part No. AT89LP4052-20XU Mouser Part No 556-A89LP4052-20XU	Microchip Technology	8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V	Datasheet	88In Stock	HK$23.02 HK$21.04 HK$20.80	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	8 bit	20 MHz	4 kB	256 B	No ADC	15 I/O	2.4 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-162 Infineon Technologies Restricted Availability	Mfr. Part No. CY8C3246LTI-162 Mouser Part No 727-CY8C3246LTI-162	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SMD/SMT	QFN-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C	Tray