IDTQS32257 Overview
The QS32257 is a function and pinout patible QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers. The QS32257 has 25Ω series resistors to reduce ground noise. Mux/Demux devices provide an order of magnitude faster speed than equivalent logic devices.