What is the truth-table of IC 74147?

x1 x2 x3 x4 x5 x6 x7 x8 x9 y3 y2 y1 y0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0 x 0 1 1 1 1 1 1 1 1 1 0 1 x x 0 1 1 1 1 1 1 1 1 0 0 x x x 0 1 1 1 1 1 1 0 1 1 The table proceeeds as shown x=dont care or ignored value the outputs are active low enabled...which means if u expext 0000 to be the output the output is 1111,0001 is 1110,0010 is 1101 INSertEd by Rohit A,INDIA