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| PartNumber | CY8C20666A-24LQXI | CY8C20666-24LTXIT | CY8C20666-24LTXI |
| Description | 8-bit Microcontrollers - MCU 32Kb Flash 2Kb SRAM | 8-bit Microcontrollers - MCU 1.71V-5.5V 32K FLASH 2K SRAM | 8-bit Microcontrollers - MCU 1.71V-5.5V 32K FLASH 2K SRAM |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | QFN-48 | - | QFN-48 |
| Series | CY8C20xx6A | CY8C20666 | CY8C20666 |
| Program Memory Size | 32 kB | - | 32 kB |
| Data RAM Size | 2 kB | - | 2 kB |
| Packaging | Tray | Reel | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Interface Type | I2C, SPI, USB | - | I2C, SPI |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 2000 | 260 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | CapSense | - | - |
| Unit Weight | 0.005309 oz | - | 0.005309 oz |
| Core | - | M8C | M8C |
| Data Bus Width | - | 8 bit | 8 bit |
| Processor Series | - | CY8C20x66 | - |
| Maximum Clock Frequency | - | - | 24 MHz |
| Number of I/Os | - | - | 36 I/O |
| Operating Supply Voltage | - | - | 1.71 V to 5.5 V |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 85 C |
| Program Memory Type | - | - | Flash |
| Data RAM Type | - | - | SRAM |
| Number of Timers/Counters | - | - | 3 Timer |