Contextual Info: SN54LV157A, SN74LV157A QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCLS397D – APRIL 1998 – REVISED JULY 2003 D D D D SN54LV157A . . . J OR W PACKAGE SN74LV157A . . . D, DB, DGV, NS, OR PW PACKAGE TOP VIEW 2-V to 5.5-V VCC Operation Max tpd of 7.5 ns at 5 V