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Infineon 8-bit Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 16K FlSh 256B RAM IND

CY8C27443-24SXIT
Infineon Technologies
1: Rp225.289
406In Stock

Mfr. Part No.
CY8C27443-24SXIT

Mouser Part No
727-CY8C2744324SXIT

Infineon Technologies

8-bit Microcontrollers - MCU 16K FlSh 256B RAM IND

Learn More

Datasheet

406In Stock

Cut Tape

Rp225.289

Rp176.489

Rp157.042

Rp150.988

View

Reel

Rp129.339

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

M8C

16 kB

256 B

24 MHz

14 bit

24 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C27443

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16K Flash 1K SRAM PSoC 1

CY8C28243-24PVXI
Infineon Technologies
1: Rp207.860
864In Stock

Mfr. Part No.
CY8C28243-24PVXI

Mouser Part No
727-CY8C2824324PVXI

Infineon Technologies

8-bit Microcontrollers - MCU 16K Flash 1K SRAM PSoC 1

Learn More

Datasheet

864In Stock

Rp207.860

Rp162.546

Rp141.998

Rp128.972

View

Min.: 1
Mult.: 1

M8C

16 kB

1 kB

SSOP-20

24 MHz

10 bit

16 I/O

2.4 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C28243

Tube

8-bit Microcontrollers - MCU 16K Flash 1K SRAM PSoC 1

CY8C28433-24PVXI
Infineon Technologies
1: Rp205.108
842In Stock

Mfr. Part No.
CY8C28433-24PVXI

Mouser Part No
727-CY8C2843324PVXI

Infineon Technologies

8-bit Microcontrollers - MCU 16K Flash 1K SRAM PSoC 1

Learn More

Datasheet

842In Stock

Rp205.108

Rp158.693

Rp151.355

Rp131.357

View

Min.: 1
Mult.: 1

M8C

16 kB

1 kB

SSOP-28

24 MHz

10 bit

24 I/O

2.4 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C28433

Tube

8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM

CY8C29466-24SXI
Infineon Technologies
1: Rp306.745
979In Stock

Mfr. Part No.
CY8C29466-24SXI

Mouser Part No
727-CY8C29466-24SXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 32K FLASH 2K SRAM

Learn More

Datasheet

979In Stock

Rp306.745

Rp266.751

Rp222.720

Rp208.961

View

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 24 I/O 32K Flash 2K bytes RAM

CY8C29466-24PVXIT
Infineon Technologies
1: Rp280.143
1.107In Stock

Mfr. Part No.
CY8C29466-24PVXIT

Mouser Part No
727-CY8C2946624PVXIT

Infineon Technologies

8-bit Microcontrollers - MCU 24 I/O 32K Flash 2K bytes RAM

Learn More

Datasheet

1.107In Stock

Cut Tape

Rp280.143

Rp221.436

Rp206.759

Rp190.615

View

Reel

Rp172.636

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3245LTI-139
Infineon Technologies
1: Rp176.855
449In 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

Datasheet

449In Stock

Rp176.855

Rp137.595

Rp121.817

Rp116.864

View

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

CY8C3245LTI-163
Infineon Technologies
1: Rp178.874
733In 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

Datasheet

733In Stock

Rp178.874

Rp139.246

Rp123.285

Rp118.332

View

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

CY8C3246PVI-147
Infineon Technologies
1: Rp219.969
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

Datasheet

371In Stock

Rp219.969

Rp207.310

Rp151.538

Rp145.851

View

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 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3666LTI-027
Infineon Technologies
1: Rp413.886
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

Datasheet

147In Stock

Rp413.886

Rp330.778

Rp297.572

Rp296.288

View

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 32K Flash 4K SRAM 8bit 67 MHz

CY8C3666LTI-203
Infineon Technologies
1: Rp297.205
1.122In 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

Datasheet

1.122In Stock

Rp297.205

Rp235.379

Rp219.969

Rp202.907

View

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: Rp505.983
307In 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

Datasheet

307In Stock

Rp505.983

Rp401.410

Rp378.111

Rp341.603

View

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 8051 8bit 67MHz 64KB

CY8C3866AXI-040T
Infineon Technologies
1: Rp493.691
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

Datasheet

559In Stock

Cut Tape

Rp493.691

Rp396.274

Rp357.930

Rp341.603

View

Reel

Rp311.332

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 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866PVI-070
Infineon Technologies
1: Rp405.814
237In 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

Datasheet

237In Stock

Rp405.814

Rp372.974

Rp288.583

Rp279.043

View

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 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE

CY8C20434-12LQXI
Infineon Technologies
1: Rp86.043
246In Stock

Mfr. Part No.
CY8C20434-12LQXI

Mouser Part No
727-CY8C20434-12LQXI

Infineon Technologies

8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE

Learn More

Datasheet

246In Stock

Rp86.043

Rp65.312

Rp57.056

Rp54.488

View

Min.: 1
Mult.: 1

M8C

8 kB

512 B

QFN-32

12 MHz

No ADC

28 I/O

2.4 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C20434

Tray

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

CY8C20546A-24PVXI
Infineon Technologies
1: Rp159.977
4In Stock

Mfr. Part No.
CY8C20546A-24PVXI

Mouser Part No
727-CY8C20546A24PVXI

Infineon Technologies

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

Learn More

Datasheet

4In Stock

Rp159.977

Rp104.205

Rp95.216

Rp87.144

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 IC MCU 4K FLASH 256B SRAM

CY8C21123-24SXI
Infineon Technologies
1: Rp74.852
523In Stock

Mfr. Part No.
CY8C21123-24SXI

Mouser Part No
727-CY8C21123-24SXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM

Learn More

Datasheet

523In Stock

Rp74.852

Rp56.689

Rp47.149

Rp45.131

View

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 4K FLASH 256B SRAM

CY8C21223-24SXI
Infineon Technologies
1: Rp81.640
334In Stock

Mfr. Part No.
CY8C21223-24SXI

Mouser Part No
727-CY8C21223-24SXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM

Learn More

Datasheet

334In Stock

Rp81.640

Rp76.870

Rp51.552

Rp50.268

View

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 8K Flsh 512B RAM IND

CY8C21334-24PVXIT
Infineon Technologies
1: Rp116.681
361In Stock

Mfr. Part No.
CY8C21334-24PVXIT

Mouser Part No
727-CY8C2133424PVXIT

Infineon Technologies

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

Learn More

Datasheet

361In Stock

Cut Tape

Rp116.681

Rp89.528

Rp82.740

Rp75.402

View

Reel

Rp65.679

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 16Kb Flash 1Kb SRAM PSoC

CY8C22345-24SXI
Infineon Technologies
1: Rp151.538
140In Stock

Mfr. Part No.
CY8C22345-24SXI

Mouser Part No
727-CY8C22345-24SXI

Infineon Technologies

8-bit Microcontrollers - MCU 16Kb Flash 1Kb SRAM PSoC

Learn More

Datasheet

140In Stock

Rp151.538

Rp106.774

Rp101.820

Rp88.428

View

Min.: 1
Mult.: 1

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

Tube

8-bit Microcontrollers - MCU 4K Flsh 256B RAM IND

CY8C24123A-24SXIT
Infineon Technologies
1: Rp86.043
105In Stock

Mfr. Part No.
CY8C24123A-24SXIT

Mouser Part No
727-CY8C24123A24SXIT

Infineon Technologies

8-bit Microcontrollers - MCU 4K Flsh 256B RAM IND

Learn More

Datasheet

105In Stock

Cut Tape

Rp86.043

Rp65.128

Rp56.873

Rp54.121

View

Reel

Rp44.214

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM

CY8C24223A-24PVXI
Infineon Technologies
1: Rp99.252
186In Stock

Mfr. Part No.
CY8C24223A-24PVXI

Mouser Part No
727-CY8C24223A24PVXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM

Learn More

Datasheet

186In Stock

Rp99.252

Rp75.586

Rp64.945

Rp62.193

View

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 16K FLSH 256B SRAM

CY8C27443-24PVXI
Infineon Technologies
1: Rp215.199
27In Stock
1.175Expected 08/10/2026

Mfr. Part No.
CY8C27443-24PVXI

Mouser Part No
727-CY8C27443-24PVXI

Infineon Technologies

8-bit Microcontrollers - MCU IC MCU 16K FLSH 256B SRAM

Learn More

Datasheet

27In Stock

1.175Expected 08/10/2026

Rp215.199

Rp184.561

Rp151.538

Rp140.897

View

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 16K FlSh 256B RAM IND

CY8C27543-24AXIT
Infineon Technologies
1: Rp281.978
198In Stock

Mfr. Part No.
CY8C27543-24AXIT

Mouser Part No
727-CY8C2754324AXIT

Infineon Technologies

8-bit Microcontrollers - MCU 16K FlSh 256B RAM IND

Learn More

Datasheet

198In Stock

Cut Tape

Rp281.978

Rp219.969

Rp198.320

Rp187.313

View

Reel

Rp155.024

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

M8C

16 kB

256 B

24 MHz

14 bit

40 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C27543

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32K Flsh 2KB RAM IND

CY8C29466-24SXIT
Infineon Technologies
1: Rp303.626
84In Stock

Mfr. Part No.
CY8C29466-24SXIT

Mouser Part No
727-CY8C2946624SXIT

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flsh 2KB RAM IND

Learn More

Datasheet

84In Stock

Cut Tape

Rp303.626

Rp240.700

Rp224.922

Rp207.493

View

Reel

Rp189.881

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

M8C

32 kB

2 kB

24 MHz

14 bit

24 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C29466

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32K Flsh 2KB RAM IND

CY8C29666-24PVXIT
Infineon Technologies
1: Rp337.933
14In Stock

Mfr. Part No.
CY8C29666-24PVXIT

Mouser Part No
727-CY8C2966624PVXIT

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flsh 2KB RAM IND

Learn More

Datasheet

14In Stock

Cut Tape

Rp337.933

Rp266.934

Rp239.782

Rp227.674

View

Reel

Rp197.770

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

M8C

32 kB

2 kB

24 MHz

14 bit

44 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C29666

Reel, Cut Tape, MouseReel

Infineon 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

6 I/O
12 I/O
13 I/O
14 I/O
16 I/O
19 I/O
20 I/O
21 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
31 I/O
34 I/O
36 I/O
38 I/O
40 I/O
44 I/O
46 I/O

CapSense
CY8C20045
CY8C20055
CY8C20234
CY8C20237
CY8C20247S
CY8C20324
CY8C20337
CY8C20424
CY8C20434
CY8C20437
CY8C20447S
CY8C20524
CY8C20534
CY8C20637
CY8C20667S
CY8C20xx6A
CY8C21334B
CY8C21434B
CY8C21534B