Segment
(Source)
Drivers
         +---------------------------+
         |                           |
  A -->--+                           |
         |                           |
  B -->--+                           |
         |                           |
  C -->--+                           |
         |                           |
  D -->--+                           |
         |                           |
  E -->--+                           |
         |                           |
  F -->--+                           |
         |                           |
  G -->--+                           |
         |                           |
         +---+---+---+---+---+---+---+
             |   |   |   |   |   |
             |   |   |   |   |   |
             V   V   V   V   V   V
             |   |   |   |   |   |
             6   5   4   3   2   1       

          Digit-Select (Sink) Drivers