| Item | Function | Operating Voltage(V) | Package | Data Sheet |
| DP138D | / | 3.3-6V | SOP16 |  |
| DP74HC245B | / | 3.3-5.5V | TSSOP20 | |
| DP595 | 8Bits Lock Shift Register | 2-5.5v | SOP-16 | |
| DP138 | Digital Circuit 3-8 codes | 3-6V | SOP16、DIP16、QFN16(3*3) | |
| DP74HC245 | Tri-state output eight group bus transceiver | 3.3-5.5V | SOP20、SSOP20、TSSOP20 | |
| DP4060 | binary adding device | 3-18V | SOP-16/DIP-16 | |
| DP555 | General timing circuit | 4.5-16V | SOP-8/DIP-8 | |
