ocr: COMMON L.C.'S (Continued) 72S258 74LS258A QUAD 2:1 MULTIPLEXER (3-STATE) PIN ASSIGNMENT LOGIC DIAGRAM TRUTH TABLE oa ln a 10 loc he lod ha S D E vcc uis lm m li 1 m noy (14) Jc la OUTPUT ENABLE SELECT INPUT DATA INPUTS OUTPUTS '2 Ba OE OE S l l Y la mlod H X X X 2) T.O 13ld L L H H X X L H H L 1o05 ETa LL L X H 1bE D'oc L L H X L FE mhe L-LOW M=HIGH voltage voltaga level laval GNO8 Dr X -Don'l *HIGH care impedance (olf) atale a 12 vcc" Pm16 OND- Plal 74S373 74LS373 OCTAL LATCH (3-STATE) PIN ASSIGNMENT LOGIC DIAGRAM A OE a 20] vcc 14 m (19 (14) (17 aE B o7 me Dp B la D, D, a la Da Vcc -Pinzo a ...
