| 型号 | 厂家 | 封装 | 批号 |
| UPC6254C | NEC | DIP-8 | 22+ |
| UPC6124-A68 | NEC | SMD | 22+ |
| UPC617G-E2 | NEC | SOP-8 | 22+ |
| UPB8286D | NEC | CDIP-20 | 22+ |
| UPD70F3116GJ(A1) | NEC | TQFP | 22+ |
| USB82512AMR-A | SMSC | QFN | 22+ |
| U2860B | TEMIC | DIP-14 | 22+ |
| U2860B-B | TEMIC | DIP-14 | 22+ |
| UGB8JT | TAIWAN | SOT-263 | 22+ |
| ULN2429A | ALLEGRO | DIP-14 | 22+ |
