EXHIBIT 21

                 Significant Subsidiaries of Scientific-Atlanta



    Name      State of Organization    Names Under which Subsidiary Does Business
    ----      ---------------------    ------------------------------------------
                              
Scientific-          Georgia        Scientific-Atlanta Financial Enterprises, L.L.C.
 Atlanta
 Financial
 Enterprises,
 L.L.C.
SAMMEX, L.P.         Texas          SAMMEX, L.P.