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 (CAD) 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: $32.37 1,924In Stock	Mfr. Part # CY8C3866PVI-021 Mouser Part # 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	$32.37 $27.68 $23.04 $22.28 View $22.23 $20.22 Quote	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: $33.09 2,034In Stock	Mfr. Part # CY8C3866LTI-068 Mouser Part # 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	$33.09 $26.16 $23.82 $22.71 View $21.93 $19.90 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: $15.02 586In Stock	Mfr. Part # CY8C3246PVI-122 Mouser Part # 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	$15.02 $13.29 $10.27 $9.16 View $8.44 $8.41 $8.38 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 CY8C3446AXI-099 Infineon Technologies 1: $22.59 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # CY8C3446AXI-099 Mouser Part # 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	Non-Stocked Lead-Time 10 Weeks	$22.59 $17.84 $15.44 $14.79 View $14.13 $14.11 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	CY8C3446	Tray
8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz CY8C3866AXI-208 Infineon Technologies 1: $34.07 262In Stock	Mfr. Part # CY8C3866AXI-208 Mouser Part # 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	$34.07 $27.03 $23.83 $21.72 View $20.79 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 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-158 Infineon Technologies 1: $14.72 678In Stock	Mfr. Part # CY8C3245AXI-158 Mouser Part # 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	$14.72 $11.46 $9.82 $9.48 View $9.42 $8.76 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: $19.89 774In Stock	Mfr. Part # CY8C3246AXI-131 Mouser Part # 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	$19.89 $15.54 $14.33 $13.48 View $13.16 $12.59 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 CY8C3246AXI-138 Infineon Technologies 1: $22.44 620In Stock	Mfr. Part # CY8C3246AXI-138 Mouser Part # 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	$22.44 $17.73 $15.34 $14.83 View $13.69 $13.68 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 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-105 Infineon Technologies 1: $21.50 3,435In Stock	Mfr. Part # CY8C3446AXI-105 Mouser Part # 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	$21.50 $16.96 $14.66 $14.18 View $14.17 $12.84 $12.14	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: $31.49 286In Stock	Mfr. Part # CY8C3866LTI-067 Mouser Part # 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	$31.49 $26.05 $23.43 $22.49 View $21.41 $20.98 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 67MHz 8051 0.5V to 5.5V CY8C3666AXI-052 Infineon Technologies 1: $25.13 338In Stock	Mfr. Part # CY8C3666AXI-052 Mouser Part # 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	$25.13 $19.93 $17.28 $16.73 View $15.85 $15.84 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: $31.31 147In Stock	Mfr. Part # CY8C3666LTI-027 Mouser Part # 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	$31.31 $25.52 $23.36 $22.29 View $21.66 $21.05 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 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-128 Infineon Technologies 1: $20.66 2,600In Stock	Mfr. Part # CY8C3246LTI-128 Mouser Part # 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	$20.66 $16.27 $14.52 $13.97 View $13.38 $13.03 $12.73 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: $37.99 1,999In Stock	Mfr. Part # CY8C3866LTI-207T Mouser Part # 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 $37.99 $29.72 $28.38 $25.79 View Reel $23.83 $24.91 $24.34 $23.89 $23.83 Quote	Min.: 1 Mult.: 1 : 2,000														CY8C3866	Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-125 Infineon Technologies 1: $17.42 1,091In Stock	Mfr. Part # CY8C3246LTI-125 Mouser Part # 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	$17.42 $13.65 $12.14 $11.68 View $11.16 $10.86 $10.45 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 8051 8bit 67MHz 64KB CY8C3866PVI-021T Infineon Technologies 1: $34.26 1,000In Stock	Mfr. Part # CY8C3866PVI-021T Mouser Part # 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 $34.26 $27.68 $26.54 $23.39 View Reel $19.76 $22.23 $21.21 $19.76 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 50MHz 8051 1.71V to 5.5V CY8C3245LTI-144 Infineon Technologies 1: $15.00 195In Stock	Mfr. Part # CY8C3245LTI-144 Mouser Part # 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	$15.00 $11.69 $10.37 $9.96 View $9.52 $8.91 $8.70 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
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245PVI-134 Infineon Technologies 1: $13.68 590In Stock	Mfr. Part # CY8C3245PVI-134 Mouser Part # 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	$13.68 $11.98 $9.30 $8.94 View $8.40 $7.96 $7.86 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 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244LTI-130 Infineon Technologies 1: $14.50 368In Stock	Mfr. Part # CY8C3244LTI-130 Mouser Part # 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	$14.50 $11.28 $9.98 $9.58 View $9.14 $8.74 $8.48 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: $21.00 1,500In Stock	Mfr. Part # CY8C3246AXI-131T Mouser Part # 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 $21.00 $16.43 $15.00 $14.07 View Reel $12.50 $13.64 $13.12 $12.51 $12.50 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: $24.39 994In Stock	Mfr. Part # CY8C3246AXI-138T Mouser Part # 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 $24.39 $18.53 $17.77 $15.65 View Reel $13.92 $14.89 $14.40 $13.94 $13.92 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 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-162 Infineon Technologies 1: $17.86 299In Stock	Mfr. Part # CY8C3246LTI-162 Mouser Part # 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	$17.86 $14.52 $13.84 $12.02 View $11.48 $9.84 $9.60 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 32K Flash 67MHz 8051 0.5V to 5.5V CY8C3865AXI-019 Infineon Technologies 1: $33.36 220In Stock	Mfr. Part # CY8C3865AXI-019 Mouser Part # 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	$33.36 $26.09 $24.93 $22.65 View $21.43 $21.08 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: $25.36 824In Stock	Mfr. Part # CY8C3866LTI-030 Mouser Part # 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	$25.36 $21.70 $20.51 $19.89 View $18.45 Quote	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 PSoC 32KB FLASH 1.7-5.5V 25 I/O CY8C3245LTI-139T Infineon Technologies 1: $15.74 2,655In Stock	Mfr. Part # CY8C3245LTI-139T Mouser Part # 727-CY8C3245LTI-139T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 25 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	2,655In Stock	Cut Tape $15.74 $12.17 $11.61 $10.08 View Reel $8.81 $9.62 $8.81 $8.81 Quote	Min.: 1 Mult.: 1 : 2,000	8051			QFN-48						SMD/SMT	8 bit			CY8C3245	Reel, Cut Tape

PSOC™3 Programmable System-on-Chip

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