RAM 4108 / 4116 Pinout
  ----------------------

  Used in PET 2001N and following CBM 3000er machines.
 

      (-5V=) VBB 1-|--v--|-16 VSS (0V ground)       
(Data Input)     2-|     |-15 CAS
               W 3-|     |-14 Q   (Data Output)
             RAS 4-|     |-13 A6
              A0 5-|     |-12 A3
              A2 6-|     |-11 A4
              A1 7-|     |-10 A5
     (+12V=) VDD 8-|_____|-9  VCC (+5V=)
             



  4108 -  8,192-Bit Dynamic Random Access Memory
  4116 - 16,384-Bit Dynamic Random Access Memory