var config = {
    map: {
   '*': {
       dataTables: 'EC_Downloads/js/datatables.min'
     }
   }
 };

<script>
require(['jquery', 'jquery/ui','dataTables'], function($){
    $(document).ready(function($){
        $('#example').DataTable({
            dom: 'Bfrtip',
            buttons: [
            'print'
        ]
        });
    });
});
</script>

<script type="text/x-magento-init">
    {
        "*": {
            "EC_Downloads/js/buttons":{},
            "EC_Downloads/js/buttons_print":{}
        }
    }
</script>