.hide-partial { max-height: none; } .show-more { display: none; }

PSOC 8-bit Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 159

Applied Filters:

Tradename = PSOC

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

CY8C27643-24PVXI
Infineon Technologies
1: $13.18
225In Stock

Mfr. Part No.
CY8C27643-24PVXI

Mouser Part No
727-CY8C27643-24PVXI

Infineon Technologies

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

Learn More

Datasheet

225In Stock

$13.18

$10.47

$9.82

$9.07

View

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 16K Flash 1K SRAM PSoC 1

CY8C28433-24PVXI
Infineon Technologies
1: $11.18
1,164In 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

1,164In Stock

$11.18

$8.65

$8.25

$7.16

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

CY8C29466-24PVXI
Infineon Technologies
1: $13.91
991In Stock

Mfr. Part No.
CY8C29466-24PVXI

Mouser Part No
727-CY8C29466-24PVXI

Infineon Technologies

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

Learn More

Datasheet

991In Stock

$13.91

$11.63

$10.83

$9.92

View

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 32K FLASH 2K SRAM

CY8C29566-24AXI
Infineon Technologies
1: $16.79
1,016In Stock

Mfr. Part No.
CY8C29566-24AXI

Mouser Part No
727-CY8C29566-24AXI

Infineon Technologies

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

Learn More

Datasheet

1,016In Stock

$16.79

$13.42

$12.54

$11.33

View

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

CY8C29666-24PVXI
Infineon Technologies
1: $16.73
683In Stock

Mfr. Part No.
CY8C29666-24PVXI

Mouser Part No
727-CY8C2966624PVXI

Infineon Technologies

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

Learn More

Datasheet

683In Stock

$16.73

$13.27

$12.25

$11.35

View

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 32K FLASH 2K SRAM

CY8C29866-24AXI
Infineon Technologies
1: $16.15
379In Stock
900Expected 02/07/2026

Mfr. Part No.
CY8C29866-24AXI

Mouser Part No
727-CY8C2986624AXI

Infineon Technologies

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

Learn More

Datasheet

379In Stock

900Expected 02/07/2026

$16.15

$13.42

$12.04

$11.66

View

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

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

CY8C3245LTI-163
Infineon Technologies
1: $9.39
783In 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

783In Stock

$9.39

$7.30

$6.78

$6.21

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

CY8C3246AXI-138
Infineon Technologies
1: $15.00
646In Stock

Mfr. Part No.
CY8C3246AXI-138

Mouser Part No
727-CY8C3246AXI-138

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

646In Stock

$15.00

$11.85

$10.25

$9.92

View

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

CY8C3246PVI-147
Infineon Technologies
1: $11.55
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

$11.55

$9.05

$8.31

$7.66

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 50MHz 8051 1.71V to 5.5V

CY8C3446AXI-099
Infineon Technologies
1: $15.11
355In Stock

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

Datasheet

355In Stock

$15.11

$11.94

$10.33

$9.99

View

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 67MHz 8051 0.5V to 5.5V

CY8C3666LTI-027
Infineon Technologies
1: $21.72
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

$21.72

$17.37

$16.28

$15.56

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 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866AXI-040
Infineon Technologies
1: $25.91
459In 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

459In Stock

$25.91

$20.83

$18.25

$17.72

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: $25.91
601In 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

601In Stock

Cut Tape

$25.91

$20.83

$19.56

$18.36

View

Reel

$16.59

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: $21.30
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

$21.30

$17.02

$14.65

$14.17

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 IC MCU 4K FLASH 256B SRAM

CY8C21123-24SXI
Infineon Technologies
1: $3.93
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

$3.93

$2.97

$2.47

$2.37

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 16Kb Flash 1Kb SRAM PSoC

CY8C22345-24SXI
Infineon Technologies
1: $7.96
220In 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

220In Stock

$7.96

$5.82

$5.55

$4.82

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: $4.26
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

$4.26

$3.23

$2.97

$2.68

View

Reel

$2.31

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: $5.21
256In 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

256In Stock

$5.21

$3.97

$3.41

$3.27

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 16K Flash 1K SRAM PSoC 1

CY8C24794-24LTXI
Infineon Technologies
1: $9.30
170In Stock

Mfr. Part No.
CY8C24794-24LTXI

Mouser Part No
727-CY8C24794-24LTXI

Infineon Technologies

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

Learn More

Datasheet

170In Stock

$9.30

$7.24

$6.72

$6.15

View

Min.: 1
Mult.: 1

M8C

16 kB

1 kB

QFN-56

24 MHz

14 bit

50 I/O

3 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C24x94

Tray

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

CY8C3245LTI-139
Infineon Technologies
1: $10.93
510In 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

510In Stock

$10.93

$8.45

$8.04

$7.00

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 4K Flsh 256B RAM IND

CY8C24223A-24PVXIT
Infineon Technologies
1: $5.21
90In Stock
4,000Expected 29/06/2026

Mfr. Part No.
CY8C24223A-24PVXIT

Mouser Part No
727-CYC24223A24PVXIT

Infineon Technologies

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

Learn More

Datasheet

90In Stock

4,000Expected 29/06/2026

Cut Tape

$5.21

$3.97

$3.66

$3.32

Reel

$2.88

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3246LTI-149
Infineon Technologies
1: $13.04
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

Datasheet

8In Stock

$13.04

$10.26

$9.56

$8.80

View

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: $14.53
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

Datasheet

23In Stock

Cut Tape

$14.53

$11.04

$10.58

$9.32

View

Reel

$8.10

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: $14.67
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

Datasheet

6In Stock

$14.67

$11.58

$10.81

$9.96

View

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 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3446LTI-073
Infineon Technologies
1: $14.30
2,600Expected 17/06/2026

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

Datasheet

2,600Expected 17/06/2026

$14.30

$11.40

$10.63

$9.80

View

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

PSOC 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

6 I/O
12 I/O
16 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
31 I/O
36 I/O
38 I/O
40 I/O
44 I/O
46 I/O
48 I/O
49 I/O
50 I/O
62 I/O
64 I/O
70 I/O

CY8C21x23
CY8C21x34
CY8C21x45
CY8C22xxx
CY8C23x33
CY8C24633
CY8C24x23A
CY8C24x93
CY8C24x94
CY8C27243
CY8C27443
CY8C27543
CY8C27643
CY8C28243
CY8C28413
CY8C28433
CY8C28445
CY8C28452
CY8C28643
CY8C28645