| PartNumber | CY8C3866PVA-021 | CY8C3866PVA-005 | CY8C3866PVA-047 |
| Description | 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V | IC MCU 8BIT 64KB FLASH 48SSOP | IC MCU 8BIT 64KB FLASH 48SSOP |
| Manufacturer | Cypress Semiconductor | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SSOP-48 | - | - |
| Series | CY8C3866PVA | - | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 67 MHz | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 8 kB | - | - |
| ADC Resolution | 20 bit | - | - |
| Number of I/Os | 28 I/O | - | - |
| Operating Supply Voltage | 1.8 V | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tube | - | - |
| Program Memory Type | Flash | - | - |
| Brand | Cypress Semiconductor | - | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, UART, USB | - | - |
| Analog Supply Voltage | 1.8 V | - | - |
| DAC Resolution | 8 bit | - | - |
| I/O Voltage | 1.8 V | - | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | CY8C38 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 1.89 V | - | - |
| Supply Voltage Min | 1.71 V | - | - |
| Unit Weight | 0.021175 oz | - | - |