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8051 microcontroller Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN32 Silicon Labs 1: $4.95 2,601In Stock	Mfr. Part No. EFM8LB12F64E-C-QFN32 Mouser Part No 634-LB12F64ECQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	2,601In Stock	$4.95 $3.77 $3.44 $3.09 View $2.92 $2.86 $2.73 $2.33	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit/12 bit/14 bit	72 MHz	29 I/O	4.25 kB	2.2 V	3.6 V	- 40 C	+ 105 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20 Silicon Labs 1: $2.37 7,587In Stock	Mfr. Part No. EFM8UB10F8G-C-QFN20 Mouser Part No 634-8UB10F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	7,587In Stock	$2.37 $1.74 $1.58 $1.40 View $1.33 $1.28 $1.27 $1.08	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	50 MHz	13 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8I-A-SOIC16 Silicon Labs 1: $1.74 2,249In Stock	Mfr. Part No. EFM8BB10F8I-A-SOIC16 Mouser Part No 634-8BB10F8I-ASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,249In Stock	$1.74 $1.33 $1.20 $1.06 View $0.997 $0.957 $0.914 $0.887 $0.866	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	13 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB CY8C3866PVI-021T Infineon Technologies 1: $32.35 1,000In Stock	Mfr. Part No. CY8C3866PVI-021T Mouser Part No 727-CY8C3866PVI-021T	Infineon Technologies	8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB Learn More about Infineon Technologies cypress psoc	Datasheet	1,000In Stock	Cut Tape $32.35 $26.14 $25.06 $22.09 View Reel $18.56 $21.00 $20.03 $18.56 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SSOP-48	8051	64 kB	8 bit	20 bit	67 MHz		8 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: $20.29 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	$20.29 $16.01 $13.83 $13.40 View $13.38 $12.13 $11.33	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	64 kB	8 bit	12 bit	50 MHz	70 I/O	8 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666AXI-052 Infineon Technologies 1: $23.73 336In Stock	Mfr. Part No. CY8C3666AXI-052 Mouser Part No 727-CY8C3666AXI-052	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	336In Stock	$23.73 $18.82 $16.32 $15.80 View $14.97 $14.96 $14.95 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	64 kB	8 bit	12 bit	67 MHz	70 I/O	8 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-SOIC16 Silicon Labs 1: $1.63 1,544In Stock	Mfr. Part No. EFM8BB50F16G-A-SOIC16 Mouser Part No 634-M8BB50F16GASIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	1,544In Stock	$1.63 $1.18 $1.07 $0.945 View $0.887 $0.85 $0.813 $0.789 $0.77	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16		16 kB	8 bit	12 bit	50 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V CY8C3865AXI-019 Infineon Technologies 1: $31.51 220In Stock	Mfr. Part No. CY8C3865AXI-019 Mouser Part No 727-CY8C3865AXI-019	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	220In Stock	$31.51 $24.64 $23.54 $21.39 View $20.24 $19.91 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	32 kB	8 bit	20 bit	67 MHz	72 I/O	4 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-030 Infineon Technologies 1: $23.19 824In Stock	Mfr. Part No. CY8C3866LTI-030 Mouser Part No 727-CY8C3866LTI-030	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	824In Stock	$23.19 $20.07 $18.94 $18.51 View $17.39 $16.97 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	64 kB	8 bit	20 bit	67 MHz	48 I/O	8 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFP32 Silicon Labs 1: $4.16 5,134In Stock NRND	Mfr. Part No. EFM8BB31F64G-D-QFP32 Mouser Part No 634-EF8BB31F64GDQP32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	5,134In Stock	$4.16 $3.28 $2.99 $2.69 View $2.54 $2.49 $2.30 $2.14 $2.12	Min.: 1 Mult.: 1	SMD/SMT	QFP-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	28 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: $21.19 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	$21.19 $16.74 $14.48 $14.01 View $12.93 $12.92 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	64 kB	8 bit	12 bit	50 MHz	72 I/O	8 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8A-A-QFN24 Silicon Labs 1: $4.68 1,519In Stock	Mfr. Part No. EFM8SB10F8A-A-QFN24 Mouser Part No 634-FM8SB10F8AAQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1,519In Stock	$4.68 $3.50 $3.07 $2.86 View $2.80 $2.37	Min.: 1 Mult.: 1	SMD/SMT		CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	17 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F16G-B-QFN24 Silicon Labs 1: $2.90 1,911In Stock NRND	Mfr. Part No. EFM8SB20F16G-B-QFN24 Mouser Part No 634-EFM8SBF16GBQFN24 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1,911In Stock	$2.90 $2.22 $1.97 $1.82 View $1.73 $1.69 $1.65 $1.60	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	16 kB	8 bit	10 bit	25 MHz	16 I/O	4.25 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU EFM8SB20F64G-B-QFN24 Silicon Labs 1: $4.13 2,654In Stock NRND	Mfr. Part No. EFM8SB20F64G-B-QFN24 Mouser Part No 634-EFM8SBF64GBQFN24 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	2,654In Stock	$4.13 $3.20 $2.82 $2.68 $2.27	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit	25 MHz	16 I/O	4.25 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20JU Microchip Technology 1: $4.71 404In Stock	Mfr. Part No. AT89LP51-20JU Mouser Part No 556-AT89LP51-20JU	Microchip Technology	8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL Learn More about Microchip Technology atmelat89lp52	Datasheet	404In Stock	$4.71 $4.41 $4.39	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	4 kB	8 bit	No ADC	20 MHz	36 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: $14.20 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	$14.20 $12.55 $9.71 $8.77 View $7.97 $7.96 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	64 kB	8 bit	12 bit	50 MHz	29 I/O	8 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN20R Silicon Labs 1: $1.60 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32I-C-QFN20R Mouser Part No 634-EFM852F32IQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape $1.60 $1.15 $1.04 $0.913 Reel $0.755 View $0.854 $0.817 $0.792 $0.736	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN32 Silicon Labs 1: $1.32 1,681In Stock	Mfr. Part No. EFM8BB52F32G-C-QFN32 Mouser Part No 634-EFM852F32GCQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,681In Stock	$1.32 $0.941 $0.847 $0.745 View $0.695 $0.665 $0.645 $0.616 $0.601	Min.: 1 Mult.: 1	SMD/SMT	QFN-32		32 kB				16 I/O	2.25 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QSOP24 Silicon Labs 1: $4.83 1,855In Stock End of Life	Mfr. Part No. EFM8LB12F64E-C-QSOP24 Mouser Part No 634-LB12F64ECQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	1,855In Stock	$4.83 $3.60 $3.29 $2.95 View $2.80 $2.75 $2.58 $2.50 $2.46	Min.: 1 Mult.: 1	SMD/SMT	QSOP-24	CIP-51 8051	64 kB	8 bit	10 bit/12 bit/14 bit	72 MHz	21 I/O	4.25 kB	2.2 V	3.6 V	- 40 C	+ 105 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-5QFN32 Silicon Labs 1: $4.31 1,354In Stock End of Life	Mfr. Part No. EFM8BB31F64I-D-5QFN32 Mouser Part No 634-EF8BB31F64ID5F32 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,354In Stock	$4.31 $3.22 $2.95 $2.64 View $2.50 $2.45 $2.31 $2.23 $2.19	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-144 Infineon Technologies 1: $14.17 195In Stock	Mfr. Part No. CY8C3245LTI-144 Mouser Part No 727-CY8C3245LTI-144	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	195In Stock	$14.17 $11.04 $9.79 $9.41 View $8.99 $8.34 $8.17 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	8051	32 kB	8 bit	12 bit	50 MHz	31 I/O	4 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245PVI-134 Infineon Technologies 1: $12.92 590In Stock	Mfr. Part No. CY8C3245PVI-134 Mouser Part No 727-CY8C3245PVI-134	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	590In Stock	$12.92 $11.32 $8.79 $8.45 View $7.53 $7.49 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	32 kB	8 bit	12 bit	50 MHz	29 I/O	4 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244LTI-130 Infineon Technologies 1: $13.70 368In Stock	Mfr. Part No. CY8C3244LTI-130 Mouser Part No 727-CY8C3244LTI-130	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	368In Stock	$13.70 $10.65 $9.42 $9.04 View $8.64 $8.27 $8.01 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	16 kB	8 bit	12 bit	50 MHz	46 I/O	2 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFP32R Silicon Labs 1: $3.58 477In Stock	Mfr. Part No. EFM8BB31F32G-D-QFP32R Mouser Part No 634-EF8BB31F32GDP32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	477In Stock	Cut Tape $3.58 $2.65 $2.42 $2.16 Reel $1.97 View $2.04 $1.89 $1.88 $1.81	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFP-32	CIP-51 8051	32 kB	8 bit	10 bit, 12 bit	50 MHz	28 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8A-A-QFN20R Silicon Labs 1: $4.43 1,221In Stock End of Life	Mfr. Part No. EFM8SB10F8A-A-QFN20R Mouser Part No 634-M8SB10F8AAQFN20R End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1,221In Stock	Cut Tape $4.43 $3.30 $3.02 $2.71 View Reel $2.04 $2.56 $2.50 $2.34 $2.04	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape