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CMS3216LAH 数据表(PDF) 44 Page - FIDELIX |
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CMS3216LAH 数据表(HTML) 44 Page - FIDELIX |
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44 / 46 page  Rev0.2, Aug. 2006 CMS3216LAx-75Ex Table 10. Curent State Bank n, Command to Bank n[57.58.59.60.61.62.] . WRITE (Select column and start WRITE burst)[66.] L L H L READ (Select column and start new READ burst)[66.] H L H L Read(Auto Precharge Disabled) WRITE (Select column and start WRITE burst)[66.] L L H L PRECHARGE (Truncate READ burst, start RECHARGE)[64.] L H L L BURST TERMINATE[65.] L H H L L L L H L H WE# PRECHARGE (Truncate WRITE burst, start PRECHARGE)[64.] H L L BURST TERMINATE[65.] H H L Write (Auto Precharge Disabled) L L READ (Select column and start READ burst)[66.] L H WRITE (Select column and start new WRITE burst)[66.] L H L H L CAS# PRECHARGE (Deactivate row in bank or banks)[64.] READ (Select column and start READ burst)[66.] Command(Action) Row Active RAS# L L H CS# Current State Table 11. Current State Bank n, Command to Bank m[68.69.70.71.72.73.] . ACTIVE (Select and activate row) H H L L Read(Auto Precharge Disabled) READ (Select column and start new READ burst)[74.78.] H L H L WRITE (Select column and start WRITE burst)[74.79.] L L H L PRECHARGE[76.] L H L L Idle NO OPERATION (NOP/Continue previous operation) H H H L ACTIVE (Select and activate row) H H L L Row Activating, Active, or Precharging READ (Select column and start READ burst)[74.] H L H L WRITE (Select column and start WRITE burst)[74.] L L H L PRECHARGE L H L L L L H H X X WE# WRITE (Select column and start new WRITE burst)[76.80.] L H L PRECHARGE[76.] H L L Write(Auto Precharge Disabled) L X ACTIVE (Select and activate row) H L READ (Select column and start READ burst)[74.79.] L H L X X CAS# Any Command Otherwise Allowed to Bank m COMMAND INHIBIT (NOP/Continue previous operation) Command(Action) Any RAS# X H X CS# Current State |
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