{signal: [
  {name: 'addr',   wave: '4..........5........................3.', data: ['N-1', 'N', 'N+1'] },
  {name: 'blank',  wave: '10.......1..0.1....0...1..0.......1..0' },
  {name: 'le',     wave: '0.........10.....10.....10.........10.' },
  {name: 'clk',    wave: 'l.p...l......p...l..p...l..p...l......p', phase: 0.5 },  
  {name: 'data',   wave: 'x5555x......5555x..5555x..3333x......3' },
]}