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8051 microcontroller 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20MU Microchip Technology 360: $4.25 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89LP6440-20MU Mouser Part No 556-AT89LP6440-20MU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash	Datasheet	Non-Stocked Lead-Time 9 Weeks	$4.25	Min.: 360 Mult.: 360	8051	64 kB	4.25 kB	VQFN-44	20 MHz	10 bit	38 I/O	2.4 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GMR Silicon Labs 1: $11.65 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 $11.65 $9.12 $8.49 $7.80 View Reel $6.18 $7.72 $7.27 $6.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	16 kB	768 B	QFN-24	25 MHz	10 bit	21 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F338		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F336-GMR Silicon Labs 1: $9.41 1,408In Stock	Mfr. Part No. C8051F336-GMR Mouser Part No 634-C8051F336-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	1,408In Stock	Cut Tape $9.41 $7.95 $7.34 $7.02 Reel $5.97 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	8051	16 kB	768 B	QFN-20	25 MHz	10 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F336		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 8bit 67MHz 32KB CY8C3865AXI-019T Infineon Technologies 1,500: $14.93 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3865AXI-019T Mouser Part No 727-CY8C3865AXI-019T	Infineon Technologies	8-bit Microcontrollers - MCU 8051 8bit 67MHz 32KB Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $14.93 Quote Quote	Min.: 1,500 Mult.: 1,500 : 1,500	8051	32 kB	4 kB	TQFP-100	67 MHz	20 bit		1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3865		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F413-GM Silicon Labs 1: $13.74 6,193In Stock NRND	Mfr. Part No. C8051F413-GM Mouser Part No 634-C8051F413-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU	Datasheet	6,193In Stock	$13.74 $11.12 $10.35 $9.51 View $9.41 $8.86 $7.82 Quote	Min.: 1 Mult.: 1	8051	16 kB	2.31 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F413		Tube
8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB CY8C3866LTI-030T Infineon Technologies 2,000: $15.10 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3866LTI-030T Mouser Part No 727-CY8C3866LTI-030T	Infineon Technologies	8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $15.10	Min.: 2,000 Mult.: 2,000 : 2,000	8051	64 kB	8 kB	QFN-48	67 MHz	20 bit		1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866		Reel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU C8051F330-GM Silicon Labs 1: $10.39 1,911In Stock NRND	Mfr. Part No. C8051F330-GM Mouser Part No 634-C8051F330-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU	Datasheet	1,911In Stock	$10.39 $8.23 $7.44 $6.98 View $6.66 $6.53 $6.38 $6.07	Min.: 1 Mult.: 1	8051	8 kB	768 B	QFN-20	25 MHz	10 bit	17 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F330		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F4G-A-QFN20R Silicon Labs 2,500: $0.788 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8SB10F4G-A-QFN20R Mouser Part No 634-8SB10F4GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.788 $0.77	Min.: 2,500 Mult.: 2,500 : 2,500	CIP-51 8051	4 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4I-A-QFN16R Silicon Labs 3,000: $0.414 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F4I-A-QFN16R Mouser Part No 634-M8BB50F4IAQFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.414 $0.403	Min.: 3,000 Mult.: 3,000 : 3,000		4 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Reel
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866AXI-035 Infineon Technologies 900: $17.14 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3866AXI-035 Mouser Part No 727-CY8C3866AXI-035	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$17.14 View Quote	Min.: 900 Mult.: 900	8051	64 kB	8 kB	TQFP-100	67 MHz	20 bit	70 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8G-A-QFN16R Silicon Labs 3,000: $0.438 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8G-A-QFN16R Mouser Part No 634-M8BB50F8GAQFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.438 $0.427	Min.: 3,000 Mult.: 3,000 : 3,000		8 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU C8051F850-C-GM Silicon Labs 1: $2.94 1,473In Stock NRND	Mfr. Part No. C8051F850-C-GM Mouser Part No 634-C8051F850-C-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	1,473In Stock	$2.94 $2.20 $2.01 $1.58 $1.36	Min.: 1 Mult.: 1	8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F850	AEC-Q100	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8I-A-QFN16R Silicon Labs 3,000: $0.453 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8I-A-QFN16R Mouser Part No 634-M8BB50F8IAQFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.453 $0.442	Min.: 3,000 Mult.: 3,000 : 3,000		8 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Reel
8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V CY8C3665LTI-044 Infineon Technologies 1,300: $9.65 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3665LTI-044 Mouser Part No 727-CY8C3665LTI-044	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$9.65 View Quote	Min.: 1,300 Mult.: 1,300	8051	32 kB	4 kB	QFN-68	67 MHz	12 bit	48 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3665		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F8G-A-QFN12R Silicon Labs 3,000: $0.429 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8G-A-QFN12R Mouser Part No 634-M8BB50F8GAQFN12R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.429 $0.417	Min.: 3,000 Mult.: 3,000 : 3,000		8 kB	512 B	QFN-12	50 MHz	12 bit	9 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN20R Silicon Labs 1: $1.14 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-QFN20R Mouser Part No 634-EFM852F32GQFN20R	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 $1.14 $0.824 $0.742 $0.653 Reel $0.541 View $0.61 $0.584 $0.566 $0.527	Min.: 1 Mult.: 1 : 2,500		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4I-A-QFN16 Silicon Labs 1: $0.91 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F4I-A-QFN16 Mouser Part No 634-M8BB50F4IAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.91 $0.646 $0.579 $0.506 View $0.471 $0.45 $0.432 $0.414 $0.403	Min.: 1 Mult.: 1		4 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866AXI-039 Infineon Technologies 450: $17.45 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3866AXI-039 Mouser Part No 727-CY8C3866AXI-039	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$17.45 View Quote	Min.: 450 Mult.: 450	8051	64 kB	8 kB	TQFP-100	67 MHz	20 bit	72 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866		Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-050 Infineon Technologies 1: $22.68 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3666LTI-050 Mouser Part No 727-CY8C3666LTI-050	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$22.68 $18.33 $17.57 $15.48 View $14.72 $14.30 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	67 MHz	12 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3666		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8G-A-QFN16 Silicon Labs 1: $0.92 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8G-A-QFN16 Mouser Part No 634-M8BB50F8GAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.92 $0.668 $0.602 $0.529 View $0.495 $0.474 $0.459 $0.438 $0.427	Min.: 1 Mult.: 1		8 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8G-A-SOIC16R Silicon Labs 2,500: $0.541 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F8G-A-SOIC16R Mouser Part No 634-M8BB50F8GASIC16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.541 $0.527	Min.: 2,500 Mult.: 2,500 : 2,500		8 kB	512 B	SOIC-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN20 Silicon Labs 1: $1.15 Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-QFN20 Mouser Part No 634-EFM852F32GCQFN20	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	Lead-Time 24 Weeks	$1.15 $0.825 $0.752 $0.702 View $0.672 $0.651 $0.622 $0.606	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F4I-A-QFN12 Silicon Labs 1: $0.85 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F4I-A-QFN12 Mouser Part No 634-M8BB50F4IAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.85 $0.60 $0.538 $0.47 View $0.437 $0.418 $0.401 $0.384 $0.374	Min.: 1 Mult.: 1		4 kB	512 B	QFN-12	50 MHz	12 bit	9 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F413-GMR Silicon Labs 1: $14.19 391In Stock NRND	Mfr. Part No. C8051F413-GMR Mouser Part No 634-C8051F413-GMR NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU	Datasheet	391In Stock	Cut Tape $14.19 $11.11 $10.34 $9.50 View Reel $7.98 $9.40 $8.85 $7.98	Min.: 1 Mult.: 1 : 2,500	8051	16 kB	2.31 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F413		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN16R Silicon Labs 3,000: $0.384 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB50F4G-A-QFN16R Mouser Part No 634-M8BB50F4GAQFN16R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.384 $0.374	Min.: 3,000 Mult.: 3,000 : 3,000		4 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Reel