The ?F158A is a quadruple 2-input data selector/multiplexer featuring a direct strobe (G) input. When the strobe is high, all outputs are high. When the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The ?F158A provides inverted data. The SN54F158A
is characterized for operation over the full military temperature range of ? 55?C to 125?C. The SN74F158A
is characterized for operation from 0?C to 70?C.