qs3vh2861 is a high-bandwidth switch chip produced by idt company. it has a 10-bit flow-through pinout, 25 ohm switch impedance and 1.35ns propagation delay. it is ideal for line matching and low noise environments. the chip adopts active low enable control. in the on state, it can pass 5v voltage. in the off state, it can isolate 5v voltage, making it an ideal choice for high-speed data buses.