8-bit Microcontrollers - MCU

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PSOC™3 Programmable System-on-Chip

Infineon Technologies PSOC™3 Programmable System-on-Chip devices consist of four families based on the high-performance 8-bit 8051 processor. PSOC3 System-on-Chip devices include high-precision programmable analog capability (up to 20-bit resolution for an analog-to-digital converter) and expanded programmable digital resources integrated with powerful, industry-standard MCU cores and ample memory and communications peripherals.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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	Packaging
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866PVI-021 Infineon Technologies 1: 19,32 € 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	19,32 € 16,54 € 13,74 € 13,30 € View 13,28 € 12,07 € 11,89 €	Min.: 1 Mult.: 1	8051	64 kB	8 kB	SSOP-48	67 MHz	20 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tube
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-068 Infineon Technologies 1: 19,75 € 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	19,75 € 15,63 € 14,21 € 13,56 € View 13,11 € 12,87 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	67 MHz	20 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tray
8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz CY8C3866AXI-208 Infineon Technologies 1: 20,35 € 262In Stock	Mfr. Part No. CY8C3866AXI-208 Mouser Part No 727-CY8C3866AXI-208	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz Learn More about Infineon Technologies cypresspsoc3	Datasheet	262In Stock	20,35 € 16,14 € 14,23 € 12,97 € View 12,42 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	67 MHz	20 bit	62 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: 12,34 € 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	12,34 € 9,72 € 8,67 € 8,34 € View 7,99 € 7,78 € 7,60 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	50 MHz	12 bit	48 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU 5.50 V, PSoC 3 CapSense Plus CY8C3866LTI-207T Infineon Technologies 1: 22,69 € 1.999In Stock	Mfr. Part No. CY8C3866LTI-207T Mouser Part No 727-CY8C3866LTI-207T	Infineon Technologies	8-bit Microcontrollers - MCU 5.50 V, PSoC 3 CapSense Plus Learn More about Infineon Technologies cypress psoc	Datasheet	1.999In Stock	Cut Tape 22,69 € 17,75 € 16,95 € 15,40 € View Reel 14,23 € 14,88 € 14,53 € 14,27 € 14,23 € Quote	Min.: 1 Mult.: 1 : 2.000														CY8C3866	Reel, Cut Tape
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies 1: 8,79 € 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	8,79 € 6,85 € 5,87 € 5,66 € View 5,62 € 5,23 € Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-131 Infineon Technologies 1: 11,20 € 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	11,20 € 8,86 € 8,03 € 7,77 € View 7,71 € 7,55 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: 12,84 € 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	12,84 € 10,13 € 8,75 € 8,47 € View 8,46 € 7,67 € 7,25 €	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3446	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-067 Infineon Technologies 1: 18,81 € 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	18,81 € 15,56 € 13,99 € 13,43 € View 12,79 € 12,53 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	67 MHz	20 bit	31 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: 8,97 € 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	8,97 € 7,94 € 6,13 € 5,44 € View 5,04 € 5,02 € 4,99 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	SSOP-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-162 Infineon Technologies 1: 10,66 € 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	10,66 € 8,67 € 8,26 € 7,18 € View 6,85 € 5,87 € 5,74 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666AXI-052 Infineon Technologies 1: 15,01 € 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	15,01 € 11,90 € 10,32 € 9,99 € View 9,47 € 9,46 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	67 MHz	12 bit	70 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3666	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3666LTI-027 Infineon Technologies 1: 18,70 € 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	18,70 € 15,24 € 13,95 € 13,31 € View 12,93 € 12,57 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	67 MHz	12 bit	28 I/O	1.71 V	1.89 V	SMD/SMT	8 bit		+ 85 C	CY8C3666	Tray
8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB CY8C3866PVI-021T Infineon Technologies 1: 20,46 € 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 20,46 € 16,53 € 15,85 € 13,97 € View Reel 11,80 € 13,28 € 12,67 € 11,80 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	8051	64 kB	8 kB	SSOP-48	67 MHz	20 bit		1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V CY8C3865AXI-019 Infineon Technologies 1: 19,93 € 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	19,93 € 15,58 € 14,89 € 13,53 € View 12,80 € 12,59 € 12,42 € Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	TQFP-100	67 MHz	20 bit	72 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3865	Tray
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V CY8C3866LTI-030 Infineon Technologies 1: 15,14 € 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	15,14 € 12,96 € 12,25 € 11,88 € 11,44 €	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	67 MHz	20 bit	48 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-125 Infineon Technologies 1: 10,41 € 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	10,41 € 8,15 € 7,25 € 6,97 € View 6,67 € 6,48 € 6,24 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	50 MHz	12 bit	31 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-147 Infineon Technologies 1: 10,31 € 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	10,31 € 9,72 € 7,10 € 6,84 € View 6,43 € 6,24 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	SSOP-48	50 MHz	12 bit	31 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245PVI-134 Infineon Technologies 1: 8,17 € 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	8,17 € 7,16 € 5,56 € 5,34 € View 5,01 € 4,76 € 4,70 € Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	SSOP-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246AXI-138 Infineon Technologies 1: 13,40 € 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	13,40 € 10,59 € 9,16 € 8,86 € View 8,18 € 8,17 € Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	72 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB CY8C3866AXI-040T Infineon Technologies 1: 23,14 € 559In Stock	Mfr. Part No. CY8C3866AXI-040T Mouser Part No 727-CY8C3866AXI-040T	Infineon Technologies	8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB Learn More about Infineon Technologies cypress psoc	Datasheet	559In Stock	Cut Tape 23,14 € 18,58 € 16,78 € 16,16 € View Reel 14,70 € 15,85 € 15,46 € 14,83 € 14,70 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.500	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	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244LTI-130 Infineon Technologies 1: 8,66 € 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	8,66 € 6,73 € 5,96 € 5,72 € View 5,46 € 5,22 € 5,07 € Quote	Min.: 1 Mult.: 1	8051	16 kB	2 kB	QFN-68	50 MHz	12 bit	46 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3244	Tray
8-bit Microcontrollers - MCU 64Kb Flash 8Kb SRAM PSoC 3 CY8C3246AXI-131T Infineon Technologies 1: 12,54 € 1.500In Stock	Mfr. Part No. CY8C3246AXI-131T Mouser Part No 727-CY8C3246AXI-131T	Infineon Technologies	8-bit Microcontrollers - MCU 64Kb Flash 8Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	1.500In Stock	Cut Tape 12,54 € 9,81 € 8,96 € 8,40 € View Reel 7,46 € 8,14 € 7,83 € 7,47 € 7,46 € Quote	Min.: 1 Mult.: 1 : 1.500	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	70 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Reel, Cut Tape
8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O CY8C3246AXI-138T Infineon Technologies 1: 14,57 € 994In Stock	Mfr. Part No. CY8C3246AXI-138T Mouser Part No 727-CY8C3246AXI-138T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	994In Stock	Cut Tape 14,57 € 11,07 € 10,61 € 9,35 € View Reel 8,32 € 8,89 € 8,60 € 8,32 € 8,32 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.500	8051	64 kB	8 kB	TQFP-100	50 MHz	12 bit	72 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-144 Infineon Technologies 1: 8,96 € 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	8,96 € 6,98 € 6,19 € 5,95 € View 5,68 € 5,32 € 5,19 € Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	QFN-48	50 MHz	12 bit	31 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245	Tray

PSOC™3 Programmable System-on-Chip

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