DRAM MEMORY CELL

typical DRAM 128 by 128 cells to 1024 by 1024 cells.

___
RAS:
_______                                               ______
       \_____________________________________________/
                                                    on
                                                     a
                                                   read,
                                                   this
                                                    is
                                                   where
                                                    data
                                                  latched
                                                    in 


___
CAS:
_____________________________                   ____________
                             \_________________/

                                               on
                                               a
                                               write,
                                               this
                                               is
                                               where
                                               data
                                               latched
                                               in 


____
DATA:
                                          ____________
_________________________________________/
                                         \____________