.hide-partial { max-height: none; } .show-more { display: none; }

8051 microcontroller Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 574

Applied Filters:

Manufacturer

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32I-D-4QFN24R Silicon Labs 1: $2.41 617In Stock	Mfr. Part No. EFM8BB31F32I-D-4QFN24R Mouser Part No 634-EF8BB31F32ID424R	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	617In Stock	Cut Tape $2.41 $1.78 $1.62 $1.45 Reel $1.24 View $1.37 $1.33 $1.28 $1.21	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-24	CIP-51 8051	8 bit	50 MHz	32 kB	2.3 kB	10 bit, 12 bit	20 I/O	- 40 C	+ 125 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN32 Silicon Labs 1: $1.76 1,432In Stock	Mfr. Part No. EFM8BB31F16G-D-QFN32 Mouser Part No 634-EF8BB31F16GDQN32	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	1,432In Stock	$1.76 $1.49 $1.31 $1.24 View $1.10 $1.05 $1.01 $0.968 $0.957	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	29 I/O	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN32R Silicon Labs 1: $1.90 979In Stock 2,500Expected 14/05/2027	Mfr. Part No. EFM8BB31F16G-D-QFN32R Mouser Part No 634-EF8BB31F16GDN32R	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	979In Stock 2,500Expected 14/05/2027	Cut Tape $1.90 $1.54 $1.33 $1.25 View Reel $0.996 $1.10 $1.06 $0.996 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	29 I/O	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32 Silicon Labs 1: $3.72 284In Stock	Mfr. Part No. EFM8UB20F64G-B-QFN32 Mouser Part No 634-EFM8UBF64GBQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	284In Stock	$3.72 $2.92 $2.58 $2.38 View $2.21 $2.13 $2.09 $2.08	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	48 MHz	64 kB	4.25 kB	10 bit	25 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-TSSOP20 Silicon Labs 1: $1.07 1,452In Stock	Mfr. Part No. EFM8BB51F16G-C-TSSOP20 Mouser Part No 634-EFM8516GCTSSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,452In Stock	$1.07 $0.848 $0.779 $0.718 View $0.601 $0.594	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85 N76E003AT20 Nuvoton 1: $0.83 1,227In Stock	Mfr. Part No. N76E003AT20 Mouser Part No 503-N76E003AT20	Nuvoton	8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85	Datasheet	1,227In Stock	$0.83 $0.711 $0.606 $0.571 View $0.518 $0.505 $0.486 $0.481	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TSSOP-20	8051	8 bit	16 MHz	18 kB	256 B	12 bit	18 I/O	- 40 C	+ 105 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN28R Silicon Labs 1: $2.71 105In Stock 7,500Expected 08/01/2027	Mfr. Part No. EFM8UB10F16G-C-QFN28R Mouser Part No 634-8UB10F16GCQFN28R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	105In Stock 7,500Expected 08/01/2027	Cut Tape $2.71 $2.28 $2.00 $1.89 View Reel $1.59 $1.64 $1.59 $1.59	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-28	CIP-51 8051	8 bit	50 MHz	16 kB	2.25 kB	12 bit	22 I/O	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN20 Silicon Labs 1: $2.58 164In Stock	Mfr. Part No. EFM8UB10F16G-C-QFN20 Mouser Part No 634-8UB10F16GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	164In Stock	$2.58 $2.17 $1.90 $1.78 $1.59	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	16 kB	2.25 kB	12 bit	13 I/O	- 40 C	+ 85 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: $2.05 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	$2.05 $1.51 $1.37 $1.23 View $1.15 $1.11 $1.07 $1.05 $1.01	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-TSSOP20 Silicon Labs 1: $1.19 146In Stock	Mfr. Part No. EFM8BB51F16I-C-TSSOP20 Mouser Part No 634-EFM851F16TSSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	146In Stock	$1.19 $0.869 $0.786 $0.694 View $0.651 $0.624 $0.597 $0.58 $0.566	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	TSSOP-20				16 kB	1.28 kB		16 I/O	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32R Silicon Labs 1: $3.98 69In Stock	Mfr. Part No. EFM8UB20F64G-B-QFN32R Mouser Part No 634-EFM8UB64GBQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	69In Stock	Cut Tape $3.98 $2.96 $2.71 $2.43 Reel $2.07 View $2.30 $2.24 $2.13 $2.03	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-32	CIP-51 8051	8 bit	48 MHz	64 kB	4.25 kB	10 bit	25 I/O	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20R Silicon Labs 1: $1.78 331In Stock	Mfr. Part No. EFM8BB21F16I-C-QFN20R Mouser Part No 634-BB21F16ICQFN20R	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	331In Stock	Cut Tape $1.78 $1.40 $1.25 $1.15 View Reel $0.896 $1.11 $1.06 $0.896 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	16 kB	2.25 kB	12 bit	16 I/O	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB22F16G-C-QFN28R Silicon Labs 1: $2.15 111In Stock	Mfr. Part No. EFM8BB22F16G-C-QFN28R Mouser Part No 634-8BB22F16GCQFN28R	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	111In Stock	Cut Tape $2.15 $1.81 $1.59 $1.50 Reel $0.968 View $1.27 $1.18 $1.14 $0.962 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16G-C-QFN20 Silicon Labs 1: $1.71 50In Stock 2,520Expected 08/01/2027	Mfr. Part No. EFM8BB21F16G-C-QFN20 Mouser Part No 634-8BB21F16GCQFN20	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	50In Stock 2,520Expected 08/01/2027	$1.71 $1.45 $1.27 $1.06	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	12 bit	16 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB11F16G-C-QSOP24 Silicon Labs 1: $2.64 122In Stock End of Life	Mfr. Part No. EFM8UB11F16G-C-QSOP24 Mouser Part No 634-8UB11F16GCQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	122In Stock	$2.64 $2.08 $1.85 $1.71 View $1.61 $1.55 $1.49 $1.47 $1.44	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QSOP-24	CIP-51 8051	8 bit	50 MHz	16 kB	2.25 kB	12 bit	17 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20R Silicon Labs 1: $3.33 298In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20R Mouser Part No 634-BB21F16ACQFN20R	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	298In Stock	Cut Tape $3.33 $2.48 $2.27 $2.03 Reel $1.73 View $1.92 $1.88 $1.78 $1.70	Min.: 1 Mult.: 1 : 2,500	8-bit Microcontrollers - MCU	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	16 kB	2.25 kB	12 bit	16 I/O	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFP32 Silicon Labs 1: $3.34 8In Stock End of Life	Mfr. Part No. EFM8BB31F64I-D-QFP32 Mouser Part No 634-EF8BB31F64IDQP32 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU	Datasheet	8In Stock	$3.34 $2.49 $2.28 $2.04 $2.01	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	28 I/O	- 40 C	+ 125 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16I-D-QFP32 Silicon Labs 1: $2.44 8In Stock NRND	Mfr. Part No. EFM8BB31F16I-D-QFP32 Mouser Part No 634-EF8BB31F16IDQP32 NRND	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	8In Stock	$2.44 $1.80 $1.64 $1.47 View $1.38 $1.34 $1.29	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	16 kB	2.3 kB	10 bit, 12 bit	28 I/O	- 40 C	+ 125 C		Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F32E-C-QFP32 Silicon Labs 1: $3.47 510In Stock NRND	Mfr. Part No. EFM8LB12F32E-C-QFP32 Mouser Part No 634-LB12F32ECQFP32 NRND	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	510In Stock	$3.47 $2.59 $2.37 $2.12 View $2.01 $1.96 $1.95	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFP-32	CIP-51 8051	8 bit	72 MHz	32 kB	2.25 kB	10 bit/12 bit/14 bit	28 I/O	- 40 C	+ 105 C		Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-085 Infineon Technologies 1: $16.15 6In Stock	Mfr. Part No. CY8C3446LTI-085 Mouser Part No 727-CY8C3446LTI-085	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	6In Stock	$16.15 $12.64 $11.38 $10.76 View $10.27 $9.97 $9.80 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	48 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 EFM8BB10F8A-A-QFN20 Silicon Labs 1: $2.55 20In Stock	Mfr. Part No. EFM8BB10F8A-A-QFN20 Mouser Part No 634-FM8BB10F8AAQFN20	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	20In Stock	$2.55 $1.89 $1.72 $1.54 View $1.46 $1.40 $1.35 $1.33 $1.29	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT		CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	16 I/O	- 40 C	+ 125 C	AEC-Q100	Tube
RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHT CC2510F32RHHR Texas Instruments 1: $7.33 2,649In Stock	Mfr. Part No. CC2510F32RHHR Mouser Part No 595-CC2510F32RHHR	Texas Instruments	RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHT	Datasheet	2,649In Stock	Cut Tape $7.33 $6.32 $5.91 $5.41 View Reel $4.58 $5.07 $4.98 $4.82 $4.58 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3445PVI-094 Infineon Technologies 1: $12.34 134In Stock	Mfr. Part No. CY8C3445PVI-094 Mouser Part No 727-CY8C3445PVI-094	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	134In Stock	$12.34 $11.02 $8.52 $8.42 View $8.09 $7.51 $7.32 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	32 kB	4 kB	12 bit	29 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24PU Microchip Technology 1: $5.17 999In Stock	Mfr. Part No. AT89C51RC-24PU Mouser Part No 556-A89C51RC-24PU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	999In Stock	$5.17 $4.75 $4.57	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	Through Hole	PDIP-40	8051	8 bit	24 MHz	32 kB	512 B	No ADC	32 I/O	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-149 Infineon Technologies 1: $14.36 8In Stock	Mfr. Part No. CY8C3246LTI-149 Mouser Part No 727-CY8C3246LTI-149	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	8In Stock	$14.36 $11.15 $10.06 $9.48 View $9.04 $8.77 $8.36 Quote	Min.: 1 Mult.: 1	8-bit Microcontrollers - MCU	SMD/SMT	QFN-68	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	46 I/O	- 40 C	+ 85 C		Tray