V+ (5V to 15V)
                                          |
                                          |
        .---@------------------------@----@
        |   |                        |    |
        |   |         Open           |    |
        >   |           |            |    @----.
   R    >   |           # 5          # 8       | 
    A   >   |         ==#============#==       > 
        >   |      4 | _____         V+ |      >  R
        |   '-------## RESET            |      >   L
        |            |                  |      > 
        |          7 |                  |      | 
        @-----------## DISCH            | 3    |
        |            |              OUT ##-----@---- Output
        >            |                  |
   R    >          6 |                  |
    B   >   .-------## THRES            |
        >   |        |                  |
        |   |      2 |
        @---@-------## TRIG             |
        |            |             GND  |
        |             ==============#===
      -----                       1 #
   C  .-|-.                         |
        |                           |
      -----                       -----
       ---                         ---
        -                           -