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W9751G6KB-25 Datasheet(PDF) 33 Page - Winbond |
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W9751G6KB-25 Datasheet(HTML) 33 Page - Winbond |
33 / 87 page W9751G6KB Publication Release Date: Sep. 03, 2012 - 33 - Revision A04 9.4 Function Truth Table CURRENT STATE CS RAS CAS WE ADDRESS COMMAND ACTION NOTES Idle H X X X X DSL NOP or Power down L H H H X NOP NOP or Power down L H L H BA, CA, A10 READ/READA ILLEGAL 1 L H L L BA, CA, A10 WRIT/WRITA ILLEGAL 1 L L H H BA, RA ACT Row activating L L H L BA, A10 PRE/PREA Precharge/ Precharge all banks L L L H X REF/SELF Auto Refresh or Self Refresh 2 L L L L Op-Code MRS/EMRS Mode/Extended register accessing 2 Banks Active H X X X X DSL NOP L H H H X NOP NOP L H L H BA, CA, A10 READ/READA Begin read L H L L BA, CA, A10 WRIT/WRITA Begin write L L H H BA, RA ACT ILLEGAL 1 L L H L BA, A10 PRE/PREA Precharge/ Precharge all banks L L L H X REF/SELF ILLEGAL L L L L Op-Code MRS/EMRS ILLEGAL Read H X X X X DSL Continue burst to end L H H H X NOP Continue burst to end L H L H BA, CA, A10 READ/READA Burst interrupt 1, 3 L H L L BA, CA, A10 WRIT/WRITA ILLEGAL 1 L L H H BA, RA ACT ILLEGAL 1 L L H L BA, A10 PRE/PREA ILLEGAL 1 L L L H X REF/SELF ILLEGAL L L L L Op-Code MRS/EMRS ILLEGAL Write H X X X X DSL Continue burst to end L H H H X NOP Continue burst to end L H L H BA, CA, A10 READ/READA ILLEGAL 1 L H L L BA, CA, A10 WRIT/WRITA Burst interrupt 1, 3 L L H H BA, RA ACT ILLEGAL 1 L L H L BA, A10 PRE/PREA ILLEGAL 1 L L L H X REF/SELF ILLEGAL L L L L Op-Code MRS/EMRS ILLEGAL |
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