The CY8C3666LTI-050T is an 8-bit 8051 microcontroller with a 64KB flash memory and 8KB RAM. It operates at a maximum frequency of 67MHz and features 4 timers, 25 GPIOs, and a range of interfaces including I2C, SPI, USB, UART, USART, and EBI/EMI. The device is available in a QFN package and is compliant with RoHS regulations. It has a maximum operating temperature of 85°C and a minimum operating temperature of -40°C, with a supply voltage range of 1.7V to 5.5V.
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| Package/Case | QFN |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 67MHz |
| Interface | I2C, SPI, USB, UART, USART, EBI/EMI |
| Lead Free | Lead Free |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.7V |
| Number of GPIO | 25 |
| Number of I/Os | 25 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 2000 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT, DMA, LCD, CapSense |
| RAM Size | 8KB |
| RoHS Compliant | Yes |
| Series | PSOC® 3 CY8C36xx |
| RoHS | Compliant |
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