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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	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 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB20F32G-B-QFN32R Silicon Labs 1: $4.43 10,547In Stock	Mfr. Part No. EFM8UB20F32G-B-QFN32R Mouser Part No 634-EFM8UB32GBQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	10,547In Stock	Cut Tape $4.43 $3.30 $3.02 $2.71 View Reel $2.04 $2.56 $2.50 $2.37 $2.04	Min.: 1 Mult.: 1 : 1,500													Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies 1: $30.56 1,924In Stock	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	Datasheet	1,924In Stock	$30.56 $26.15 $21.75 $21.03 View $21.00 $19.09 Quote	Min.: 1 Mult.: 1	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 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: $31.21 2,034In Stock	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	Datasheet	2,034In Stock	$31.21 $24.72 $22.49 $21.46 View $20.73 $18.31 Quote	Min.: 1 Mult.: 1	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 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20R Silicon Labs 1: $1.93 52,913In Stock	Mfr. Part No. EFM8UB10F8G-C-QFN20R Mouser Part No 634-8UB10F8GCQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	52,913In Stock	Cut Tape $1.93 $1.51 $1.36 $1.26 Reel $1.12 View $1.20 $1.18 $1.04 $1.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	8 kB	2.25 kB	12 bit	13 I/O	2.2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash AT89LP6440-20AU Microchip Technology 1: $15.91 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	$15.91 $14.58 $13.22	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
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: $14.18 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	$14.18 $12.55 $9.70 $8.65 View $7.97 $7.94 $7.92 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-099 Infineon Technologies 1: $21.34 242In Stock	Mfr. Part No. CY8C3446AXI-099 Mouser Part No 727-CY8C3446AXI-099	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	242In Stock	$21.34 $16.85 $14.58 $13.97 View $13.34 $13.33 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	72 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-131 Infineon Technologies 1: $17.78 774In Stock	Mfr. Part No. CY8C3246AXI-131 Mouser Part No 727-CY8C3246AXI-131	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	774In Stock	$17.78 $14.02 $12.73 $12.29 View $12.19 $11.89 Quote	Min.: 1 Mult.: 1	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 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 $16.73 $14.47 $14.01 View $13.99 $12.93 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	72 I/O	1.71 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFP32R Silicon Labs 1: $4.18 9,640In Stock	Mfr. Part No. EFM8BB31F64G-D-QFP32R Mouser Part No 634-EF8BB31F64GDP32R	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	9,640In Stock	Cut Tape $4.18 $3.11 $2.84 $2.56 $2.41 Reel $2.04	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFP-32	CIP-51 8051	8 bit	50 MHz	64 kB	4.35 kB	10 bit, 12 bit	28 I/O	2.2 V	3.6 V	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-067 Infineon Technologies 1: $28.74 286In Stock	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	Datasheet	286In Stock	$28.74 $24.11 $21.72 $20.75 View $19.75 $19.68 Quote	Min.: 1 Mult.: 1	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 CY8C3446AXI-105 Infineon Technologies 1: $20.30 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	$20.30 $16.02 $13.84 $13.40 View $13.38 $12.13 $11.46	Min.: 1 Mult.: 1	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 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies 1: $13.90 678In Stock	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	Datasheet	678In Stock	$13.90 $10.83 $9.28 $8.95 View $8.89 $8.27 Quote	Min.: 1 Mult.: 1	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
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN24 Silicon Labs 1: $4.49 13,008In Stock	Mfr. Part No. EFM8LB12F64E-C-QFN24 Mouser Part No 634-LB12F64ECQFN24	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	13,008In Stock	$4.49 $3.41 $3.11 $2.80 View $2.65 $2.58 $2.48 $2.09	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	8 bit	72 MHz	64 kB	4.25 kB	10 bit/12 bit/14 bit	20 I/O	2.2 V	3.6 V	+ 105 C	Tube
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 $3.89	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	8 bit	24 MHz	32 kB	512 B	No ADC	32 I/O	4 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-SOIC16R Silicon Labs 1: $1.69 5,000In Stock	Mfr. Part No. EFM8BB10F8G-A-SOIC16R Mouser Part No 634-8BB10F8GASO16R	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	5,000In Stock	Cut Tape $1.69 $1.22 $1.10 $0.974 View Reel $0.73 $0.913 $0.876 $0.838 $0.73 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	13 I/O	2.2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm SI1061-A-GM Silicon Labs 1: $14.40 2,389In Stock	Mfr. Part No. SI1061-A-GM Mouser Part No 634-SI1061-A-GM	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	2,389In Stock	$14.40 $11.25 $10.46 $9.59 View $9.10 $8.92 $8.72 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 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: $19.52 2,600In Stock	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	Datasheet	2,600In Stock	$19.52 $15.37 $13.71 $13.19 View $12.63 $12.31 $12.02 Quote	Min.: 1 Mult.: 1	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 CY8C3666AXI-052 Infineon Technologies 1: $23.73 338In 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	338In Stock	$23.73 $18.82 $16.32 $15.80 View $14.97 $14.96 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	8051	8 bit	67 MHz	64 kB	8 kB	12 bit	70 I/O	1.71 V	1.89 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-027 Infineon Technologies 1: $28.51 147In Stock	Mfr. Part No. CY8C3666LTI-027 Mouser Part No 727-CY8C3666LTI-027	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	147In Stock	$28.51 $23.34 $21.52 $20.32 View $20.10 $19.62 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	8051	8 bit	67 MHz	64 kB	8 kB	12 bit	28 I/O	1.71 V	1.89 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2I-A-QFN20 Silicon Labs 1: $1.31 3,158In Stock	Mfr. Part No. EFM8BB10F2I-A-QFN20 Mouser Part No 634-EFM8BB10F2IAFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3,158In Stock	$1.31 $1.00 $0.902 $0.793 View $0.741 $0.71 $0.687 $0.583	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	2.2 V	3.6 V	+ 125 C	Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-QFN20R Silicon Labs 1: $1.25 9,875In Stock	Mfr. Part No. EFM8BB51F8G-C-QFN20R Mouser Part No 634-EFM851F8GCQFN20R	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	9,875In Stock	Cut Tape $1.25 $0.88 $0.789 $0.69 Reel $0.563 View $0.642 $0.613 $0.589 $0.548	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20				16 kB	1.28 kB		16 I/O	1.8 V	5.5 V	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F4G-A-QFN20R Silicon Labs 1: $1.60 4,518In Stock	Mfr. Part No. EFM8BB10F4G-A-QFN20R Mouser Part No 634-8BB10F4GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	4,518In Stock	Cut Tape $1.60 $1.18 $1.06 $0.937 Reel $0.775 View $0.876 $0.839 $0.812 $0.756 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	4 kB	512 B	12 bit	16 I/O	2.2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2G-A-QFN20 Silicon Labs 1: $1.17 15,495In Stock	Mfr. Part No. EFM8BB10F2G-A-QFN20 Mouser Part No 634-8BB10F2GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	15,495In Stock	$1.17 $0.911 $0.817 $0.706 View $0.665 $0.62 $0.579 $0.556 $0.543	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	2.2 V	3.6 V	+ 85 C	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN24 Silicon Labs 1: $2.33 1,791In Stock	Mfr. Part No. EFM8SB10F8G-A-QFN24 Mouser Part No 634-8SB10F8GAQF24	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	1,791In Stock	$2.33 $1.78 $1.62 $1.44 View $1.35 $1.30 $1.27 $1.25 $1.23	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	17 I/O	1.8 V	3.6 V	+ 85 C	Tube