8-bit Microcontrollers - MCU

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PSoC™ Mixed Signal Controllers

Infineon Technologies unveils a revolutionary Programmable System-On-Chip™ (PSoC™) mixed-signal array that is a complete system-level solution with configurable digital and analog peripherals, an 8-bit microcontroller, and three types of embedded memory. PSoC combines maximum design flexibility with ease of use. It enables the user to minimize design time, chip count, board size, and product cost targeting the consumer, computation, communications, automotive, and industrial equipment markets.

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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	Packaging
8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM CY8C27543-24AXI Infineon Technologies 1: $18.84 573In Stock	Mfr. Part # CY8C27543-24AXI Mouser Part # 727-CY8C27543-24AXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	573In Stock	$18.84 $14.83 $13.23 $11.56 View $11.40 $11.06 $11.05	Min.: 1 Mult.: 1	M8C	16 kB	256 B	TQFP-44	24 MHz	14 bit	40 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C27543	Tray
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C24423A-24SXI Infineon Technologies 1: $7.94 935In Stock	Mfr. Part # CY8C24423A-24SXI Mouser Part # 727-CY8C24423A-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	935In Stock	$7.94 $7.35 $6.08 $5.37 View $5.21 $4.47 $4.29 $4.26 Quote	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SOIC-28	24 MHz	14 bit	24 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C24x23A	Tube
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C24423A-24PVXI Infineon Technologies 1: $8.16 2,042In Stock	Mfr. Part # CY8C24423A-24PVXI Mouser Part # 727-CY8C24423A24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	2,042In Stock	$8.16 $7.57 $5.28 $5.15 View $4.85 $4.54 $4.52 Quote	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SSOP-28	24 MHz	14 bit	24 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C24x23A	Tube
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C21323-24PVXI Infineon Technologies 1: $5.97 3,920In Stock	Mfr. Part # CY8C21323-24PVXI Mouser Part # 727-CY8C21323-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	3,920In Stock	$5.97 $4.52 $3.87 $3.71 View $3.46 $3.43 $3.20 Quote	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SSOP-20	24 MHz	10 bit	16 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C21x23	Tube
8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM CY8C29466-24PVXI Infineon Technologies 1: $16.73 924In Stock	Mfr. Part # CY8C29466-24PVXI Mouser Part # 727-CY8C29466-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	924In Stock	$16.73 $14.95 $13.03 $12.34 View $12.10 $11.91 $11.90	Min.: 1 Mult.: 1	M8C	32 kB	2 kB	SSOP-28	24 MHz	14 bit	24 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C29466	Tube
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C21123-24SXI Infineon Technologies 1: $4.95 523In Stock	Mfr. Part # CY8C21123-24SXI Mouser Part # 727-CY8C21123-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	523In Stock	$4.95 $3.84 $3.26 $3.15 View $3.00 $2.94 $2.67 $2.56	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SOIC-8	24 MHz	10 bit	6 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C21x23	Tube
8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM CY8C21234-24SXI Infineon Technologies 1: $8.29 278In Stock	Mfr. Part # CY8C21234-24SXI Mouser Part # 727-CY8C21234-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM Learn More about Infineon Technologies cypress capsense plus controllers	Datasheet	278In Stock	$8.29 $7.23 $5.34 $5.21 View $4.63 $4.62 $4.42 Quote	Min.: 1 Mult.: 1	M8C	8 kB	512 B	SOIC-16	24 MHz	10 bit	12 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C21x34	Tube
8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM CY8C21334-24PVXI Infineon Technologies 1: $8.58 4,051In Stock	Mfr. Part # CY8C21334-24PVXI Mouser Part # 727-CY8C21334-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM Learn More about Infineon Technologies cypress capsense plus controllers	Datasheet	4,051In Stock	$8.58 $6.59 $5.68 $5.46 View $5.11 $5.04 Quote	Min.: 1 Mult.: 1	M8C	8 kB	512 B	SSOP-20	24 MHz	10 bit	16 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C21x34	Tube
8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM CY8C21534-24PVXI Infineon Technologies 1: $8.28 5,699In Stock	Mfr. Part # CY8C21534-24PVXI Mouser Part # 727-CY8C21534-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM Learn More about Infineon Technologies cypress capsense plus controllers	Datasheet	5,699In Stock	$8.28 $7.63 $5.58 $5.16 View $4.64 $4.62 $4.60	Min.: 1 Mult.: 1	M8C	8 kB	512 B	SSOP-28	24 MHz	10 bit	24 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C21x34	Tube
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C24123A-24SXI Infineon Technologies 1: $5.75 9,228In Stock	Mfr. Part # CY8C24123A-24SXI Mouser Part # 727-CY8C24123A-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	9,228In Stock	$5.75 $4.36 $3.63 $3.48 View $3.30 $3.28	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SOIC-8	24 MHz	14 bit	6 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C24x23A	Tube
8-bit Microcontrollers - MCU IC MCU 16K FLASH 256B SRAM CY8C27243-24PVXI Infineon Technologies 1: $15.39 827In Stock 1,980Expected 12/17/2026	Mfr. Part # CY8C27243-24PVXI Mouser Part # 727-CY8C27243-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 16K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	827In Stock 1,980Expected 12/17/2026	$15.39 $12.04 $10.40 $10.08 View $10.04 $9.56 $9.24 Quote	Min.: 1 Mult.: 1	M8C	16 kB	256 B	SSOP-20	24 MHz	14 bit	16 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C27243	Tube
8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM CY8C27443-24PVXI Infineon Technologies 1: $14.86 1,074In Stock	Mfr. Part # CY8C27443-24PVXI Mouser Part # 727-CY8C27443-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	1,074In Stock	$14.86 $13.35 $10.82 $10.05 View $9.96 $9.33 $8.68 Quote	Min.: 1 Mult.: 1	M8C	16 kB	256 B	SSOP-28	24 MHz	14 bit	16 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C27443	Tube
8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM CY8C27443-24SXI Infineon Technologies 1: $15.46 508In Stock	Mfr. Part # CY8C27443-24SXI Mouser Part # 727-CY8C27443-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	508In Stock	$15.46 $13.26 $11.08 $10.45 View $10.21 $10.17 $9.45 Quote	Min.: 1 Mult.: 1	M8C	16 kB	256 B	SOIC-28	24 MHz	14 bit	24 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C27443	Tube
8-bit Microcontrollers - MCU IC MCU 16K FLASH 256B SRAM CY8C27643-24PVXI Infineon Technologies 1: $17.32 495In Stock	Mfr. Part # CY8C27643-24PVXI Mouser Part # 727-CY8C27643-24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 16K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	495In Stock	$17.32 $16.61 $13.25 $12.70 View $12.44 $11.38 $10.97 Quote	Min.: 1 Mult.: 1	M8C	16 kB	256 B	SSOP-48	24 MHz	14 bit	44 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C27643	Tube
8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM CY8C29466-24SXI Infineon Technologies 1: $21.74 864In Stock	Mfr. Part # CY8C29466-24SXI Mouser Part # 727-CY8C29466-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	864In Stock	$21.74 $18.90 $15.78 $14.81 View $14.57 $13.61 Quote	Min.: 1 Mult.: 1	M8C	32 kB	2 kB	SOIC-28	24 MHz	14 bit	24 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C29466	Tube
8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM CY8C29666-24PVXI Infineon Technologies 1: $20.94 359In Stock	Mfr. Part # CY8C29666-24PVXI Mouser Part # 727-CY8C2966624PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	359In Stock	$20.94 $19.54 $15.34 $14.81 View $14.46 $14.09 Quote	Min.: 1 Mult.: 1	M8C	32 kB	2 kB	SSOP-48	24 MHz	14 bit	44 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C29x66	Tube
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C21223-24SXI Infineon Technologies 1: $5.79 334In Stock	Mfr. Part # CY8C21223-24SXI Mouser Part # 727-CY8C21223-24SXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc1	Datasheet	334In Stock	$5.79 $5.45 $3.65 $3.56 View $3.34 $3.26 $3.22 Quote	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SOIC-16	24 MHz	10 bit	12 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C21x23	Tube
8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM CY8C24223A-24PVXI Infineon Technologies 1: $7.03 166In Stock 1,650Expected 11/11/2026	Mfr. Part # CY8C24223A-24PVXI Mouser Part # 727-CY8C24223A24PVXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	166In Stock 1,650Expected 11/11/2026	$7.03 $5.36 $4.60 $4.41 View $4.23 $3.99 $3.95 $3.89 Quote	Min.: 1 Mult.: 1	M8C	4 kB	256 B	SSOP-20	24 MHz	14 bit	16 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C24x23A	Tube
8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM CY8C29566-24AXI Infineon Technologies 1: $20.77 14In Stock 800On Order	Mfr. Part # CY8C29566-24AXI Mouser Part # 727-CY8C29566-24AXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	14In Stock 800On Order	$20.77 $16.63 $15.03 $14.52 View $14.22 $13.33 Quote	Min.: 1 Mult.: 1	M8C	32 kB	2 kB	TQFP-44	24 MHz	14 bit	40 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C29566	Tray
8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM CY8C29866-24AXI Infineon Technologies 1: $24.44 1,800Expected 5/27/2027	Mfr. Part # CY8C29866-24AXI Mouser Part # 727-CY8C2986624AXI	Infineon Technologies	8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM Learn More about Infineon Technologies cypress psoc	Datasheet	1,800Expected 5/27/2027	$24.44 $19.45 $17.23 $16.39 View $16.17 $14.95 $14.26 Quote	Min.: 1 Mult.: 1	M8C	32 kB	2 kB	TQFP-100	24 MHz	14 bit	64 I/O	3 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C29666	Tray

PSoC™ Mixed Signal Controllers

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