| | | | | | | | | | | | | | | | | | |
| | | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | - | 5V | - | 0°C ~ 70°C | 4 | - | 12mA, 32mA | Multiplexer | QS74FCT257 | 1 x 8:4 | Single Supply | - |
| | | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | - | 5V | - | -40°C ~ 85°C | 4 | | 12mA, 32mA | Multiplexer | QS74FCT257 | 1 x 8:4 | Single Supply | |