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M13L32321A-2G Datasheet(PDF) 26 Page - Elite Semiconductor Memory Technology Inc. |
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M13L32321A-2G Datasheet(HTML) 26 Page - Elite Semiconductor Memory Technology Inc. |
26 / 48 page ESMT M13L32321A (2G) Elite Semiconductor Memory Technology Inc. Publication Date : Oct. 2012 Revision : 1.0 26/48 Write with Auto Precharge If A8 is high when write command is issued, the write with auto-precharge function is performed. Any new command to the same bank should not be issued until the internal precharge is completed. The internal precharge begins at the rising edge of the CLK with the tWR delay after the last data-in. <Burst Length = 4> 01 23 4 5 6 7 8 CO M M A ND DQ S DQ ' s Bank A ACT I V E NO P NO P NO P NO P NO P NO P NO P DIN 0 Write A Auto Precharge *Bank can be reactivated at completion of tRP t WR t RP Inter nal pr ec har g e s t ar t CL K CL K DIN 1 DIN 2 DIN 3 At burst read / write with auto precharge, CAS interrupt of the same bank is illegal. For the same bank For the different bank Asserted Command 4 5 6 7 8 4 5 6 7 8 WRITE WRITE WRITE Illegal Illegal Illegal Legal Legal Legal Legal Legal WRITE with AP *1 WRITE with AP WRITE with AP Illegal Illegal Illegal Legal Legal Legal Legal Legal READ Illegal READ + DM *2 READ+ DM READ Illegal Illegal Illegal Illegal Legal Legal READ with AP Illegal READ with AP+ DM READ with AP+ DM READ with AP Illegal Illegal Illegal Illegal Legal Legal Active Illegal Illegal Illegal Illegal Illegal Legal Legal Legal Legal Legal Precharge Illegal Illegal Illegal Illegal Illegal Legal Legal Legal Legal Legal Note: 1. AP = Auto Precharge 2. DM: Refer to “Write Interrupted by a Read & DM“ |
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