8-bit Microcontrollers - MCU – Mouser Singapore

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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 (SGD) 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 PSoC 32KB FLASH 1.7-5.5V 25 I/O CY8C3245LTI-139T Infineon Technologies 1: $14.86 2,655In Stock	Mfr. Part No. CY8C3245LTI-139T Mouser Part No 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 $14.86 $11.49 $10.96 $9.52 View Reel $8.32 $9.08 $8.32 $8.32 Quote	Min.: 1 Mult.: 1 : 2,000	8051			QFN-48						SMD/SMT	8 bit			CY8C3245	Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-073 Infineon Technologies 1: $18.60 2,600In Stock	Mfr. Part No. CY8C3446LTI-073 Mouser Part No 727-CY8C3446LTI-073	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	$18.60 $16.09 $14.36 $13.83 View $13.25 $12.82 $12.68 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	CY8C3446	Tray
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-163 Infineon Technologies 1: $13.26 533In Stock	Mfr. Part No. CY8C3245LTI-163 Mouser Part No 727-CY8C3245LTI-163	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	533In Stock	$13.26 $10.32 $9.14 $8.77 View $8.36 $7.82 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	QFN-68	50 MHz	12 bit	46 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: $20.13 666In 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	666In Stock	$20.13 $15.63 $13.72 $13.27 View $12.70 $12.55 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 32K Flash 4K SRAM 8bit 67 MHz CY8C3666LTI-203 Infineon Technologies 1: $22.88 825In Stock	Mfr. Part No. CY8C3666LTI-203 Mouser Part No 727-CY8C3666LTI-203	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 4K SRAM 8bit 67 MHz Learn More about Infineon Technologies cypresspsoc3	Datasheet	825In Stock	$22.88 $18.12 $16.21 $15.61 View $14.97 $14.59 $14.44 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	67 MHz	12 bit	46 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 CY8C3866AXI-040 Infineon Technologies 1: $36.60 297In Stock	Mfr. Part No. CY8C3866AXI-040 Mouser Part No 727-CY8C3866AXI-040	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	297In Stock	$36.60 $29.38 $25.77 $25.02 View $24.78 $23.92 Quote	Min.: 1 Mult.: 1	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 CY8C3866PVI-070 Infineon Technologies 1: $30.08 136In Stock	Mfr. Part No. CY8C3866PVI-070 Mouser Part No 727-CY8C3866PVI-070	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	136In Stock	$30.08 $29.20 $21.39 $20.69 View $20.67 $19.57 $18.10 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	SSOP-48	67 MHz	20 bit	29 I/O	1.71 V	1.89 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3866	Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-139 Infineon Technologies 1: $13.11 186In Stock	Mfr. Part No. CY8C3245LTI-139 Mouser Part No 727-CY8C3245LTI-139	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	186In Stock	$13.11 $10.20 $9.03 $8.66 View $8.27 $8.04 $7.72 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	QFN-48	50 MHz	12 bit	29 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 CY8C3445PVI-094 Infineon Technologies 1: $16.78 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	$16.78 $14.99 $11.59 $11.45 View $11.00 $10.21 $9.96 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	CY8C3445	Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446AXI-099 Infineon Technologies 1: $23.20 62In Stock 180Expected 9/11/2026	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	62In Stock 180Expected 9/11/2026	$23.20 $17.63 $16.89 $14.88 View $14.16 $13.68 $13.25 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 50MHz 8051 1.71V to 5.5V CY8C3246LTI-149 Infineon Technologies 1: $19.53 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	$19.53 $15.16 $13.68 $12.89 View $12.29 $11.93 $11.37 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-68	50 MHz	12 bit	46 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Tray
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O CY8C3246LTI-149T Infineon Technologies 1: $19.76 23In Stock	Mfr. Part No. CY8C3246LTI-149T Mouser Part No 727-CY8C3246LTI-149T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	23In Stock	Cut Tape $19.76 $15.01 $14.39 $12.68 View Reel $11.36 $12.06 $11.66 $11.37 $11.36 Quote	Min.: 1 Mult.: 1 : 2,000	8051	64 kB	8 kB	QFN-68	50 MHz	12 bit	46 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3246	Reel, Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-085 Infineon Technologies 1: $21.96 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	$21.96 $17.19 $15.48 $14.63 View $13.97 $13.56 $13.33 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	CY8C3446	Tray
8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3 CY8C3244AXI-153T Infineon Technologies 1,500: $8.17 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244AXI-153T Mouser Part No 727-CY8C3244AXI-153T	Infineon Technologies	8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $8.17 Quote Quote	Min.: 1,500 Mult.: 1,500 : 1,500	8051										8 bit			CY8C3244	Reel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244LTI-123 Infineon Technologies 1: $14.38 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244LTI-123 Mouser Part No 727-CY8C3244LTI-123	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$14.38 $11.11 $10.59 $9.19 View $8.79 $7.77 $7.45 Quote	Min.: 1 Mult.: 1	8051	16 kB	2 kB	QFN-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3244	Tray
8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3 CY8C3244LTI-123T Infineon Technologies 2,000: $7.33 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244LTI-123T Mouser Part No 727-CY8C3244LTI-123T	Infineon Technologies	8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $7.33 Quote Quote	Min.: 2,000 Mult.: 2,000 : 2,000	8051										8 bit			CY8C3244	Reel
8-bit Microcontrollers - MCU PSoC 16KB FLASH 1.7-5.5V 38 I/O CY8C3244LTI-130T Infineon Technologies 2,000: $7.90 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244LTI-130T Mouser Part No 727-CY8C3244LTI-130T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 16KB FLASH 1.7-5.5V 38 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $7.90 Quote Quote	Min.: 2,000 Mult.: 2,000 : 2,000	8051			QFN-68						SMD/SMT	8 bit			CY8C3244	Reel
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244PVI-133 Infineon Technologies 1: $14.18 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244PVI-133 Mouser Part No 727-CY8C3244PVI-133	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$14.18 $10.96 $10.46 $7.77 View $7.74 $7.11 $7.10 Quote	Min.: 1 Mult.: 1	8051	16 kB	2 kB	SSOP-48	50 MHz	12 bit	29 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3244	Tube
8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3 CY8C3244PVI-133T Infineon Technologies 1,000: $7.29 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3244PVI-133T Mouser Part No 727-CY8C3244PVI-133T	Infineon Technologies	8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $7.29 $7.17 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000	8051										8 bit			CY8C3244	Reel
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 62 I/O CY8C3245AXI-158T Infineon Technologies 1,500: $8.39 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245AXI-158T Mouser Part No 727-CY8C3245AXI-158T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 62 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $8.39 Quote Quote	Min.: 1,500 Mult.: 1,500 : 1,500	8051			TQFP-100						SMD/SMT	8 bit			CY8C3245	Reel
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245AXI-166 Infineon Technologies 1: $16.97 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245AXI-166 Mouser Part No 727-CY8C3245AXI-166	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	Non-Stocked Lead-Time 10 Weeks	$16.97 $13.29 $11.41 $9.94 View $9.29 $9.28 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	TQFP-100	50 MHz		72 I/O	1.71 V	5.5 V	SMD/SMT	8 bit		+ 85 C	CY8C3245	Tray
8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3 CY8C3245AXI-166T Infineon Technologies 1,500: $9.57 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245AXI-166T Mouser Part No 727-CY8C3245AXI-166T	Infineon Technologies	8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $9.57 Quote Quote	Min.: 1,500 Mult.: 1,500 : 1,500	8051										8 bit			CY8C3245	Reel
8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3 CY8C3245LTI-144T Infineon Technologies 2,000: $8.57 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245LTI-144T Mouser Part No 727-CY8C3245LTI-144T	Infineon Technologies	8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $8.57 Quote Quote	Min.: 2,000 Mult.: 2,000 : 2,000	8051										8 bit			CY8C3245	Reel
8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O CY8C3245LTI-163T Infineon Technologies 2,000: $7.97 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245LTI-163T Mouser Part No 727-CY8C3245LTI-163T	Infineon Technologies	8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $7.97 Quote Quote	Min.: 2,000 Mult.: 2,000 : 2,000	8051			QFN-68						SMD/SMT	8 bit			CY8C3245	Reel
8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3 CY8C3245PVI-134T Infineon Technologies 1,000: $7.83 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CY8C3245PVI-134T Mouser Part No 727-CY8C3245PVI-134T	Infineon Technologies	8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3 Learn More about Infineon Technologies cypress psoc	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $7.83 $7.75 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000	8051										8 bit			CY8C3245	Reel

PSOC™3 Programmable System-on-Chip

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PSOC™3 Programmable System-on-Chip

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