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| Part Number | CY8C3665LTI-044 | CY8C3665LTI-044T | CY8C3665LTI-001 | CY8C3665LTI-002 | CY8C3665LTI-006 |
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package/Case | 68-VFQFN Exposed Pad | 68-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad |
| Series | PSOC™ 3 CY8C36xx | PSOC™ 3 CY8C36xx | PSOC™ 3 CY8C36xx | PSOC™ 3 CY8C36xx | PSOC™ 3 CY8C36xx |
| Packaging | Tray | Tape & Reel (TR) | Tray | Tray | Tray |
| Product Status | Active | Active | Obsolete | Obsolete | Obsolete |
| Programmable | Not Verified | Not Verified | Not Verified | Not Verified | Not Verified |
| Core Processor | 8051 | 8051 | 8051 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 67MHz | 67MHz | 67MHz | 67MHz | 67MHz |
| Connectivity | EBI/EMI, I2C, LINbus, SPI, UART/USART, USB | EBI/EMI, I2C, LINbus, SPI, UART/USART, USB | EBI/EMI, I2C, LINbus, SPI, UART/USART | EBI/EMI, I2C, LINbus, SPI, UART/USART | EBI/EMI, I2C, LINbus, SPI, UART/USART, USB |
| Peripherals | CapSense, DMA, POR, PWM, WDT | CapSense, DMA, POR, PWM, WDT | CapSense, DMA, POR, PWM, WDT | CapSense, DMA, LCD, POR, PWM, WDT | CapSense, DMA, LCD, POR, PWM, WDT |
| Number of I/O | 38 | 38 | 25 | 25 | 25 |
| Program Memory Size | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) |
| Program Memory Type | FLASH | FLASH | FLASH | FLASH | FLASH |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| RAM Size | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V |
| Data Converters | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package |
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