| Base Product Number | CY8C3666 |
| Category | Integrated Circuits (ICs) |
| Connectivity | EBI/EMI, I?C, LINbus, SPI, UART/USART |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Data Converters | A/D 16x12b; D/A 4x8b |
| EEPROM Size | 2K x 8 |
| Mfr | Cypress Semiconductor Corp |
| Mounting Type | Surface Mount |
| Number of I/O | 38 |
| Operating Temperature | -40?C ~ 85?C (TA) |
| Oscillator Type | Internal |
| Package | Tray |
| Package / Case | 68-VFQFN Exposed Pad |
| Part Status | Active |
| Peripherals | CapSense, DMA, LCD, POR, PWM, WDT |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 8K x 8 |
| Series | PSOC? 3 CY8C36xx |
| Speed | 67MHz |
| Supplier Device Package | 68-QFN (8x8) |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V |