DESCRIPTION
   The U74LVX4051 is a high speed ， low-voltage drive analog multiplexer/demultiplexer using silicon gate CMOS technology. In 3V and 5V systems these can achieve high-speed operation with the low power dissipation that is a feature of CMOS.

FEATURES
* Low ON resistance: RON=22Ω(Typ.)(VCC-VEE=3V)
                                   RON=15Ω(Typ.)(VCC-VEE=6V)
* High Speed: tpd=3ns (Typ.)(VCC=3V)
* Low power Dissipation: ICC=4μA (Max.)(TA=25°C)
* Input level: VIL=0.8V(Max.)(VCC=3V)
                     VIH=2.0V(Min.)(VCC=3V)
* Power down protection is provided on all control inputs
* Pin and function compatible with U74HC4051