| PartNumber | CY8C3666AXA-036 | CY8C3666AXA-031 | CY8C3666AXA-034 |
| Description | 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V | IC MCU 8BIT 64KB FLASH 100TQFP | IC MCU 8BIT 64KB FLASH 100TQFP |
| Manufacturer | Cypress Semiconductor | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-100 | - | - |
| Series | CY8C3666 | - | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 67 MHz | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 8 kB | - | - |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 72 I/O | - | - |
| Operating Supply Voltage | 1.8 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | Cypress Semiconductor | - | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 2 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | I2C, SPI, UART, USB | - | - |
| Analog Supply Voltage | 1.71 V to 5.5 V | - | - |
| DAC Resolution | 8 bit | - | - |
| I/O Voltage | 1.2 V to 5.5 V | - | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | CY8C36 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 90 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 0.5 V | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.023175 oz | - | - |