K / Timing / Standard Read Cycle Timing



   No.  Name                                   Symbol  Min     Max
   ---  ----                                   ------  ---     ---
   1    Address setup to  /fcs                 tafs    15ns     --
   2    Address hold from  /fcs                thaf    10ns     --
   3    /fcs  to  /slaven  delay               tslv     --     25ns
   4    /fcs  to  doe  delay                   tdoe    30ns     --
   5    doe  to  /dsn  delay                   tds     10ns     --
   6    Data setup to  /dtack                  trds    0ns      --
   7    /dtack  to  /fcs  off                  toff    10ns     --
   8    Master signal hold from  /fcs  off     thmc    0ns     5ns
   9    Slave signal hold from  /fcs  off      thsc    0ns     15ns
   11   /fcs  to  /ccs  delay                  tccs    35ns    175ns
   12   /ccs  off to  /fcs  off                tovl    40ns     --

         ______                                                ___________
    /FCS       \ |   |                                        /
                \____________________________________________/ |   |    |
                                                               |   |    |
              2->|   |<-                                    8->|   |<-  |
             _________                                         |   |    |
  A31-A8 ___/         \___________________________________________________
            \_________/
                                                               |   |    |
          1->|   |<-                                           |   |    |
             _____________________________________________________ |    |
   A7-A2 ___/                                                     \_______
            \_____________________________________________________/
                                                                   |    |
             |   |                                             |   |    |
         _________________________________________________________________
    READ    /                                                    \
         __/ |   |    |                                        |  \_______
                 |    |                                        |
              3->|    |<-                                      |<---9-->|
         ___________  |                                        |        __
 /SLAVEn            \ |                                        |   |   /
                 |   \________________________________________________/ |
                 |                                                      |
                 |<----4--->|                                  |   |    |
                 |          _____________________________________  |    |
     DOE         |         /                                     \ |    |
         _________________/ |                                     \_______
                            |                                  |
                 |       5->|    |<-                           |   |    |
         ______________________  |                             |   _______
    /DSn                       \ |                                /
                                \________________________________/      |
                 |                                                 |    |
                 |                                |            |   |    |
                 |                                _____________________ |
  D31-D0 ________________________________________/                     \__
                                                 \_____________________/
                 |                            |                         |
                 |                         6->|   |<-          |   |    |
         ___________________________________  |   |            |   |    __
  /DTACK                                    \ |<------7------->|   |   /
                 |     |                     \________________________/ |
             11->|     |<-                                              |
                 |     |                              12->|    |<- |    |
         ____________  |                                  ________________
    /CCS             \ |                                 /
                 |    \_________________________________/ |    |   |    |
                 |                                        |    |   |    |
                 |     |                                  |    |   |    |


                      Figure K-10: Read Cycle Timing