| Name | Application | Flash (KB) | I/O Options | Max. Operating Voltage (V) | Min. Operating Temp. (°C) | Min. Operating Voltage (V) | No. of I/Os | No. of Serial Communication Blocks | Package | SRAM (KB) |
| CYPD4135-40LQXIES | Power Adapter | 128 | GPIO,I2C,SPI,UART | 5.5 | -40 | 2.7 | 30 | 4 | QFN | 8 |
| CYPD4235-40LQXIES | Power Adapter | 128 | GPIO,I2C,SPI,UART | 5.5 | -40 | 2.7 | 30 | 4 | QFN | 8 |
| CYPD4225-40LQXIES | Notebooks, Desktops, Docking Stations | 128 | GPIO,I2C,SPI,UART | 5.5 | -40 | 2.7 | 30 | 4 | QFN | 8 |
| CYPD4125-40LQXIES | Notebooks, Desktops, Docking Stations | 128 | GPIO,I2C,SPI,UART | 5.5 | -40 | 2.7 | 30 | 4 | QFN | 8 |
