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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Qty. RoHS ECAD Model 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
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
480In Stock
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

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
783In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
646In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
371In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
355In Stock
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

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
147In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Lead-Time 10 Weeks
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
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
601In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
237In Stock
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

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
8In Stock
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

Infineon Technologies 8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O
Datasheet
23In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O
Datasheet
113In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

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 Reel, Cut Tape, MouseReel

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
6In Stock
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
2.600Expected 7/6/2026
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
Infineon Technologies 8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

8051 8 bit CY8C3244 Reel
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
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
Infineon Technologies 8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

8051 8 bit CY8C3244 Reel

Infineon Technologies 8-bit Microcontrollers - MCU PSoC 16KB FLASH 1.7-5.5V 38 I/O
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

8051 QFN-68 SMD/SMT 8 bit CY8C3244 Reel
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
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
Infineon Technologies 8-bit Microcontrollers - MCU 16Kb Flash 2Kb SRAM PSoC 3
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

8051 8 bit CY8C3244 Reel
Infineon Technologies 8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 62 I/O
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

8051 TQFP-100 SMD/SMT 8 bit CY8C3245 Reel
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Lead-Time 10 Weeks
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
Infineon Technologies 8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

8051 8 bit CY8C3245 Reel
Infineon Technologies 8-bit Microcontrollers - MCU 32Kb Flash 4Kb SRAM PSoC 3
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

8051 8 bit CY8C3245 Reel

Infineon Technologies 8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

8051 QFN-68 SMD/SMT 8 bit CY8C3245 Reel