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8051 microcontroller Embedded Processors & Controllers

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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.	Product Type	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16I-C-TSSOP28R Silicon Labs 1: $1.62 2,435In Stock	Mfr. Part No. EFM8BB52F16I-C-TSSOP28R Mouser Part No 634-EFM852F16ITOP28R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	2,435In Stock	Cut Tape $1.62 $1.18 $1.07 $0.944 Reel $0.789 View $0.885 $0.849 $0.812 $0.77	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	TSSOP-28				16 kB	1.28 kB		16 I/O	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN32 Silicon Labs 1: $3.13 457In Stock	Mfr. Part No. EFM8BB31F32G-D-QFN32 Mouser Part No 634-EF8BB31F32GDQN32	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	457In Stock	$3.13 $2.31 $2.11 $1.88 View $1.78 $1.71 $1.66 $1.62 $1.56	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	50 MHz	32 kB	2.3 kB	10 bit, 12 bit	29 I/O	- 40 C	+ 85 C		Tray
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	8-bit Microcontrollers - MCU	SMD/SMT	QFN-68	8051	8 bit	50 MHz	16 kB	2 kB	12 bit	46 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB10F16E-C-QFN32 Silicon Labs 1: $3.67 35In Stock	Mfr. Part No. EFM8LB10F16E-C-QFN32 Mouser Part No 634-LB10F16ECQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	35In Stock	$3.67 $3.32 $2.96 $2.67 View $2.37 $2.08 $1.71 $1.44	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	72 MHz	16 kB	1.25 kB	10 bit/12 bit/14 bit	29 I/O	- 40 C	+ 105 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-162 Infineon Technologies 1: $16.86 299In Stock	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	Datasheet	299In Stock	$16.86 $13.71 $13.07 $11.36 View $10.84 $9.48 $9.14 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8I-C-TSSOP20 Silicon Labs 1: $1.55 166In Stock	Mfr. Part No. EFM8BB51F8I-C-TSSOP20 Mouser Part No 634-EFM851F8ICTSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	166In Stock	$1.55 $1.12 $1.01 $0.888 View $0.83 $0.794 $0.77 $0.736 $0.717	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TSSOP-20				8 kB	1.28 kB		16 I/O	- 40 C	+ 125 C		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 $2.33 $2.04	Min.: 1 Mult.: 1 : 1,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	16 I/O	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-125 Infineon Technologies 1: $16.46 1,091In Stock	Mfr. Part No. CY8C3246LTI-125 Mouser Part No 727-CY8C3246LTI-125	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	1,091In Stock	$16.46 $12.89 $11.46 $11.03 View $10.54 $10.25 $9.89 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	31 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85 N76E003AQ20 Nuvoton 1: $2.03 1,026In Stock	Mfr. Part No. N76E003AQ20 Mouser Part No 503-N76E003AQ20	Nuvoton	8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85	Datasheet	1,026In Stock	Cut Tape $2.03 $1.29 $1.15 $0.948 Reel $0.627 View $0.827 $0.783 $0.673 $0.62 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	8051	8 bit	16 MHz	18 kB	256 B	12 bit	18 I/O	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU EFM8LB11F16E-C-QFN24 Silicon Labs 1: $3.29 2,259In Stock	Mfr. Part No. EFM8LB11F16E-C-QFN24 Mouser Part No 634-LB11F16ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	2,259In Stock	$3.29 $2.43 $2.22 $1.99 View $1.88 $1.82 $1.75 $1.70 $1.65	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	72 MHz	16 kB	1.25 kB	10 bit/12 bit/14 bit	20 I/O	- 40 C	+ 105 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB22F16G-C-QFN28 Silicon Labs 1: $2.86 1,187In Stock	Mfr. Part No. EFM8BB22F16G-C-QFN28 Mouser Part No 634-8BB22F16GCQFN28	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,187In Stock	$2.86 $2.41 $2.05 $1.94 View $1.90 $1.69 $1.35 $1.32	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-28	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	12 bit	22 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-147 Infineon Technologies 1: $16.29 371In Stock	Mfr. Part No. CY8C3246PVI-147 Mouser Part No 727-CY8C3246PVI-147	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	371In Stock	$16.29 $15.37 $11.22 $10.80 View $10.50 $10.08 $9.83 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	31 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB11F32E-C-QFN24 Silicon Labs 1: $3.79 723In Stock	Mfr. Part No. EFM8LB11F32E-C-QFN24 Mouser Part No 634-LB11F32ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	723In Stock	$3.79 $2.82 $2.58 $2.31 View $2.19 $2.14 $2.04 $1.96 $1.93	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	72 MHz	32 kB	2.25 kB	10 bit/12 bit/14 bit	20 I/O	- 40 C	+ 105 C		Tube
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB20F32G-B-QFN32 Silicon Labs 1: $4.52 587In Stock NRND	Mfr. Part No. EFM8UB20F32G-B-QFN32 Mouser Part No 634-EFM8UBF32GBQFN32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	587In Stock	$4.52 $3.50 $3.14 $2.87 View $2.71 $2.65 $2.52 $2.43 $2.38	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	48 MHz	32 kB	2.25 kB	10 bit	25 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL AT89LP3240-20MU Microchip Technology 1: $6.46 315In Stock	Mfr. Part No. AT89LP3240-20MU Mouser Part No 556-AT89LP3240-20MU	Microchip Technology	8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL	Datasheet	315In Stock	$6.46 $5.94 $5.39	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	VQFN-44	8051	8 bit	20 MHz	32 kB	4.25 kB	10 bit	38 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: $4.28 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	$4.28 $3.93 $3.79 $3.78	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	32 kB	512 B	No ADC	32 I/O	- 40 C	+ 85 C		Tray
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm SI1062-A-GM Silicon Labs 1: $15.23 171In Stock NRND	Mfr. Part No. SI1062-A-GM Mouser Part No 634-SI1062-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	171In Stock	$15.23 $12.19 $11.21 $10.39 View $10.12 $9.81 $9.68 Quote	Min.: 1 Mult.: 1	RF Microcontrollers - MCU	SMD/SMT	QFN-36	8051	8 bit	25 MHz	64 kB	4 kB	10 bit	11 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC AT89S2051-24SU Microchip Technology 1: $3.55 504In Stock	Mfr. Part No. AT89S2051-24SU Mouser Part No 556-A89S2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC	Datasheet	504In Stock	$3.55 $3.25 $2.96	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SOIC-20	8051	8 bit	24 MHz	2 kB	256 B	No ADC	15 I/O	- 40 C	+ 85 C		Tube
RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR CC2510F32RHHT Texas Instruments 1: $12.55 250In Stock	Mfr. Part No. CC2510F32RHHT Mouser Part No 595-CC2510F32RHHT	Texas Instruments	RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR	Datasheet	250In Stock	Cut Tape $12.55 $9.93 $9.21 $8.42 Reel $8.04 View $7.81 $7.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	RF System on a Chip - SoC	SMD/SMT	VQFN-36	8051	8 bit						- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20AU Microchip Technology 1: $2.34 2,784In Stock	Mfr. Part No. AT89LP52-20AU Mouser Part No 556-AT89LP52-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Learn More about Microchip Technology atmelat89lp52	Datasheet	2,784In Stock	$2.34 $2.12 $1.93	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TQFP-44	8051	8 bit	20 MHz	8 kB	256 B	No ADC	36 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-QFN20R Silicon Labs 1: $1.25 43,706In Stock 22,500On Order	Mfr. Part No. EFM8BB10F8G-A-QFN20R Mouser Part No 634-8BB10F8GAQF20R	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	43,706In Stock 22,500On Order On Order Ship Dates Mfr. No: EFM8BB10F8G-A-QFN20R Stock: 43,706 Can Dispatch Immediately On Order: 13,500 Pending 7,500 Expected 21/10/2026 1,500 Expected 3/11/2026 Factory Lead Time: 12 Weeks	Cut Tape $1.25 $1.06 $0.87 $0.813 View Reel $0.68 $0.718 $0.698 $0.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	16 I/O	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24PU Microchip Technology 1: $2.88 2,346In Stock	Mfr. Part No. AT89C4051-24PU Mouser Part No 556-A89C4051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	2,346In Stock	$2.88 $2.64 $2.39	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	Through Hole	PDIP-20	8051	8 bit	24 MHz	4 kB	128 B	No ADC	15 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20JU Microchip Technology 1: $4.69 130In Stock	Mfr. Part No. AT89LP52-20JU Mouser Part No 556-AT89LP52-20JU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Learn More about Microchip Technology atmelat89lp52	Datasheet	130In Stock	$4.69 $4.30 $4.24	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	PLCC-44	8051	8 bit	20 MHz	8 kB	256 B	No ADC	36 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN24R Silicon Labs 1: $2.38 3,031In Stock	Mfr. Part No. EFM8SB10F8G-A-QFN24R Mouser Part No 634-8SB10F8GAQF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,031In Stock	Cut Tape $2.38 $1.88 $1.67 $1.52 Reel $1.27 View $1.47 $1.37 $1.32 $1.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT		CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	17 I/O	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20R Silicon Labs 1: $1.85 3,518In Stock 16,500Expected 30/10/2026	Mfr. Part No. EFM8SB10F2G-A-QFN20R Mouser Part No 634-8SB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,518In Stock 16,500Expected 30/10/2026	Cut Tape $1.85 $1.43 $1.26 $1.15 Reel $1.04 View $1.12 $1.04 $0.917 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel