{signal: [
  ['Row Driver',
  {name: 'sr_data', wave: 'x..........................', data: ['row data   [16]']},
  {name: 'sr_clk', wave:  '0..........................'},
  {name: 'sr_latch',wave: '0..........................'},
  {name: 'sr_oe', wave:   '1..........................'},
  ],
  {},
  ['Column Driver',
  {name: 'reset', wave:   '1........0............1....'},
  {name: 'data', wave:    'x........4..|..x...........', data: ['column     [50]']},
  {name: 'clock', wave:   '0.........p.|...l..........'},
  ],
  ['Power',
  {},
  {name: 'clear', wave:   '0.................1..0.....'},
  {name: 'drive', wave:   '0.................1..0.....', node: '..................A..B.....' },
  ]
],
  edge: [
    'A-B DRIVEDOTCLEAR'
  ]
}