8-bit Microcontrollers - MCU

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CAPSENSE™ Plus Controllers

Infineon Technologies CAPSENSE™ Plus Controllers provide programmable touch-sensing solutions where users can integrate up to 56 GPIOs. This enables customers to integrate sleek and trendy market-leading capacitive sensing solutions and enables value-added features like proximity, water tolerance, LED backlight, Motor Control, power management, Gyro-sensing, and field upgrade capability via bootloader. This Infineon family can support I²C, SPI, USB, and UART interfaces.

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Part #

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense

CY8C20436A-24LQXI
Infineon Technologies
1: S/23.00
2,027In Stock

Mfr. Part #
CY8C20436A-24LQXI

Mouser Part #
727-CY8C20436A24LQXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense

Learn More

Datasheet

2,027In Stock

S/23.00

S/17.94

S/15.73

S/14.87

View

Min.: 1
Mult.: 1

M8C

8 kB

1 kB

QFN-32

24 MHz

10 bit

28 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Tray

8-bit Microcontrollers - MCU 3.0V-5.25V 16K FLASH 1K RAM I2C SPI UART

CY8C22545-24AXIT
Infineon Technologies
1: S/36.20
1,595In Stock

Mfr. Part #
CY8C22545-24AXIT

Mouser Part #
727-CY8C22545-24AXIT

Infineon Technologies

8-bit Microcontrollers - MCU 3.0V-5.25V 16K FLASH 1K RAM I2C SPI UART

Learn More

Datasheet

1,595In Stock

Cut Tape

S/36.20

S/28.10

S/24.87

S/23.86

View

Reel

S/19.50

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

M8C

16 kB

1 kB

TQFP-44

24 MHz

8 bit

38 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C22xxx

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense Plus

CY8C20446A-24LQXI
Infineon Technologies
1: S/33.75
2,450In Stock

Mfr. Part #
CY8C20446A-24LQXI

Mouser Part #
727-CY8C20446A24LQXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense Plus

Learn More

Datasheet

2,450In Stock

S/33.75

S/23.59

S/22.50

S/17.59

View

Min.: 1
Mult.: 1

M8C

16 kB

2 kB

QFN-32

24 MHz

10 bit

28 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Tray

8-bit Microcontrollers - MCU M8C 8bit 24MHz 8KB

CY8C21334B-24PVXI
Infineon Technologies
1: S/26.51
1,300In Stock

Mfr. Part #
CY8C21334B-24PVXI

Mouser Part #
727-CY8C21334B24PVXI

Infineon Technologies

8-bit Microcontrollers - MCU M8C 8bit 24MHz 8KB

Learn More

Datasheet

1,300In Stock

S/26.51

S/20.40

S/17.59

S/16.89

View

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

CY8C21334B

Tube

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

CY8C20447S-24LQXI
Infineon Technologies
1: S/33.48
1,138In Stock

Mfr. Part #
CY8C20447S-24LQXI

Mouser Part #
727-C8C20447S-24LQXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

Learn More

Datasheet

1,138In Stock

S/33.48

S/25.92

S/22.93

S/21.95

View

Min.: 1
Mult.: 1

M8C

16 kB

2 kB

QFN-32

24 MHz

10 bit

28 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20447S

Tray

8-bit Microcontrollers - MCU 3.0V-5.25V 16K FLASH 1K RAM I2C SPI UART

CY8C22345-24SXIT
Infineon Technologies
1: S/26.78
1,000In Stock

Mfr. Part #
CY8C22345-24SXIT

Mouser Part #
727-CY8C22345-24SXIT

Infineon Technologies

8-bit Microcontrollers - MCU 3.0V-5.25V 16K FLASH 1K RAM I2C SPI UART

Learn More

Datasheet

1,000In Stock

Cut Tape

S/26.78

S/20.59

S/18.10

S/17.36

Reel

S/14.67

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

M8C

16 kB

1 kB

SOIC-28

24 MHz

10 bit

24 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C22xxx

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM

CY8C21234-24SXI
Infineon Technologies
1: S/24.83
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

Datasheet

278In Stock

S/24.83

S/21.64

S/16.00

S/15.61

View

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 0.75 MHz to 24 MHz 25 I/O

CY8C20446A-24LQXIT
Infineon Technologies
1: S/27.79
2,372In Stock

Mfr. Part #
CY8C20446A-24LQXIT

Mouser Part #
727-CY8C2446A24LQXIT

Infineon Technologies

8-bit Microcontrollers - MCU 0.75 MHz to 24 MHz 25 I/O

Learn More

Datasheet

2,372In Stock

Cut Tape

S/27.79

S/21.37

S/18.84

S/18.02

View

Reel

S/15.18

Min.: 1
Mult.: 1

: 2,500

M8C

16 kB

2 kB

QFN-32

24 MHz

10 bit

28 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Reel, Cut Tape

8-bit Microcontrollers - MCU 0.75 MHz to 24 MHz 33 I/O

CY8C20636A-24LTXI
Infineon Technologies
1: S/29.43
373In Stock

Mfr. Part #
CY8C20636A-24LTXI

Mouser Part #
727-CY8C20636A24LTXI

Infineon Technologies

8-bit Microcontrollers - MCU 0.75 MHz to 24 MHz 33 I/O

Learn More

Datasheet

373In Stock

S/29.43

S/21.64

S/20.16

S/15.61

View

Min.: 1
Mult.: 1

M8C

8 kB

1 kB

QFN-48

24 MHz

10 bit

36 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Tray

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense Plus

CY8C20396A-24LQXI
Infineon Technologies
1: S/35.85
628In Stock

Mfr. Part #
CY8C20396A-24LQXI

Mouser Part #
727-CY8C20396A24LQXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense Plus

Learn More

Datasheet

628In Stock

S/35.85

S/26.90

S/25.65

S/22.27

View

Min.: 1
Mult.: 1

M8C

16 kB

2 kB

QFN-24

24 MHz

10 bit

19 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Tray

8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM

CY8C21334-24PVXI
Infineon Technologies
1: S/25.69
756In Stock
3,300Expected 9/24/2026

Mfr. Part #
CY8C21334-24PVXI

Mouser Part #
727-CY8C21334-24PVXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM

Learn More

Datasheet

756In Stock

3,300Expected 9/24/2026

S/25.69

S/19.73

S/17.01

S/16.35

View

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: S/25.46
1,009In Stock
4,700Expected 11/26/2026

Mfr. Part #
CY8C21534-24PVXI

Mouser Part #
727-CY8C21534-24PVXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM

Learn More

Datasheet

1,009In Stock

4,700Expected 11/26/2026

S/25.46

S/19.58

S/17.28

S/15.61

View

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 0.75 MHz to 24 MHz 33 I/O

CY8C20636A-24LTXIT
Infineon Technologies
1: S/29.43
1,297In Stock

Mfr. Part #
CY8C20636A-24LTXIT

Mouser Part #
727-CY8C236A24LTXIT

Infineon Technologies

8-bit Microcontrollers - MCU 0.75 MHz to 24 MHz 33 I/O

Learn More

Datasheet

1,297In Stock

Cut Tape

S/29.43

S/21.64

S/20.16

S/17.71

View

Reel

S/12.57

Min.: 1
Mult.: 1

: 2,000

M8C

8 kB

1 kB

QFN-48

24 MHz

10 bit

36 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Reel, Cut Tape

8-bit Microcontrollers - MCU IC MCU 16K FLASH 1K SRAM

CY8C24894-24LTXI
Infineon Technologies
1: S/36.78
916In Stock

Mfr. Part #
CY8C24894-24LTXI

Mouser Part #
727-CY8C2489424LTXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 16K FLASH 1K SRAM

Learn More

Datasheet

916In Stock

S/36.78

S/28.65

S/26.59

S/24.33

View

Min.: 1
Mult.: 1

M8C

16 kB

1 kB

QFN-56

24 MHz

14 bit

49 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C24x94

Tray

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense Plus

CY8C20546A-24PVXI
Infineon Technologies
1: S/33.94
4In Stock

Mfr. Part #
CY8C20546A-24PVXI

Mouser Part #
727-CY8C20546A24PVXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.71V-5.5V CapSense Plus

Learn More

Datasheet

4In Stock

S/33.94

S/22.11

S/20.20

S/18.49

View

Min.: 1
Mult.: 1

M8C

16 kB

2 kB

SSOP-48

24 MHz

10 bit

34 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Tube

8-bit Microcontrollers - MCU 8K Flsh 512B RAM IND

CY8C21334-24PVXIT
Infineon Technologies
1: S/25.69
361In Stock

Mfr. Part #
CY8C21334-24PVXIT

Mouser Part #
727-CY8C2133424PVXIT

Infineon Technologies

8-bit Microcontrollers - MCU 8K Flsh 512B RAM IND

Learn More

Datasheet

361In Stock

Cut Tape

S/25.69

S/19.73

S/17.36

S/16.58

View

Reel

S/14.09

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

CY8C20247S-24LKXIT
Infineon Technologies
2,500: S/16.85
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20247S-24LKXIT

Mouser Part #
727-8C20247S-24LKXIT

Infineon Technologies

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/16.85

Min.: 2,500
Mult.: 2,500

: 2,500

M8C

16 kB

2 kB

QFN-16

24 MHz

1.71 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

CY8C20247S

Reel

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

CY8C20447S-24LQXIT
Infineon Technologies
2,500: S/19.19
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20447S-24LQXIT

Mouser Part #
727-8C20447S-24LQXIT

Infineon Technologies

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/19.19

Min.: 2,500
Mult.: 2,500

: 2,500

M8C

16 kB

2 kB

QFN-32

24 MHz

1.71 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

CY8C20447S

Reel

8-bit Microcontrollers - MCU 1.8 VCapSenseCntlr SmartSenseAutoTuning

CY8C20636A-24LQXIT
Infineon Technologies
2,500: S/14.44
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20636A-24LQXIT

Mouser Part #
727-8C20636A-24LQXIT

Infineon Technologies

8-bit Microcontrollers - MCU 1.8 VCapSenseCntlr SmartSenseAutoTuning

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/14.44

Min.: 2,500
Mult.: 2,500

: 2,500

M8C

8 kB

1 kB

QFN-24

24 MHz

36 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Reel

8-bit Microcontrollers - MCU 16K Flash 2K SRAM CapSense Controller

CY8C20646A-24LQXIT
Infineon Technologies
2,500: S/20.82
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20646A-24LQXIT

Mouser Part #
727-8C20646A-24LQXIT

Infineon Technologies

8-bit Microcontrollers - MCU 16K Flash 2K SRAM CapSense Controller

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/20.82

Min.: 2,500
Mult.: 2,500

: 2,500

M8C

16 kB

2 kB

QFN-24

24 MHz

36 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20xx6A

Reel

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

CY8C20667S-24LQXIT
Infineon Technologies
2,500: S/25.77
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20667S-24LQXIT

Mouser Part #
727-8C20667S-24LQXIT

Infineon Technologies

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/25.77

Min.: 2,500
Mult.: 2,500

: 2,500

M8C

32 kB

2 kB

QFN-48

24 MHz

1.71 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

CY8C20667S

Reel

8-bit Microcontrollers - MCU CapSensePLUS

CY8C21534B-24PVXIT
Infineon Technologies
1,000: S/16.35
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C21534B-24PVXIT

Mouser Part #
727-8C21534B-24PVXIT

Infineon Technologies

8-bit Microcontrollers - MCU CapSensePLUS

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/16.35

S/16.23

Min.: 1,000
Mult.: 1,000

: 1,000

M8C

8 kB

512 B

SSOP-28

2.4 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C21534B

Reel

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

CY8C20247S-24LKXI
Infineon Technologies
1: S/33.94
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20247S-24LKXI

Mouser Part #
727-C8C20247S-24LKXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

S/33.94

S/25.46

S/24.29

S/21.10

View

Min.: 1
Mult.: 1

M8C

16 kB

2 kB

QFN-16

24 MHz

1.71 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

CY8C20247S

Tray

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

CY8C20667S-24LQXI
Infineon Technologies
1: S/48.15
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C20667S-24LQXI

Mouser Part #
727-C8C20667S-24LQXI

Infineon Technologies

8-bit Microcontrollers - MCU 1.8V CapSense Ctrl W/SmartSense

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

S/48.15

S/39.16

S/37.33

S/32.42

View

Min.: 1
Mult.: 1

M8C

32 kB

2 kB

QFN-48

24 MHz

1.71 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

CY8C20667S

Tray

8-bit Microcontrollers - MCU CapSensePLUS

CY8C21334B-24PVXIT
Infineon Technologies
2,000: S/15.03
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
CY8C21334B-24PVXIT

Mouser Part #
727-C8C21334B24PVXIT

Infineon Technologies

8-bit Microcontrollers - MCU CapSensePLUS

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

S/15.03

Min.: 2,000
Mult.: 2,000

: 2,000

8 kB

512 B

SSOP-20

SMD/SMT

CapSense

Reel

CAPSENSE™ Plus Controllers

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