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A43L8316 датащи(PDF) 41 Page - AMIC Technology |
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A43L8316 датащи(HTML) 41 Page - AMIC Technology |
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41 / 45 page ![]() A43L8316 Preliminary (April, 2000, Version 1.0) 40 AMIC Technology, Inc. Function Truth Table (Table 1) Current State CS RAS CAS WE BA Address Action Note H X X X X X NOP L H H H X X NOP L H H L X X ILLEGAL 2 L H L X BA CA, A8/AP ILLEGAL 2 L L H H BA RA Row Active; Latch Row Address L L H L BA PA NOP 4 L L L H X X Auto Refresh or Self Refresh 5 IDLE L L L L OP Code Mode Register Access 5 H X X X X X NOP L H H H X X NOP L H H L X X ILLEGAL 2 L H L H BA CA,A8/AP Begin Read; Latch CA; Determine AP L H L L BA CA,A8/AP Begin Write; Latch CA; Determine AP L L H H BA RA ILLEGAL 2 L L H L BA PA Precharge Row Active L L L X X X ILLEGAL H X X X X X NOP(Continue Burst to End →Row Active) L H H H X X NOP(Continue Burst to End →Row Active) L H H L X X Term burst →Row Active L H L H BA CA,A8/AP Term burst; Begin Read; Latch CA; Determine AP 3 L H L L BA CA,AP Term burst; Begin Write; Latch CA; Determine AP 3 L L H H BA RA ILLEGAL 2 L L H L BA PA Term Burst; Precharge timing for Reads 3 Read L L L X X X ILLEGAL H X X X X X NOP(Continue Burst to End →Row Active) L H H H X X NOP(Continue Burst to End →Row Active) L H H L X X ILLEGAL L H L H BA CA,A8/AP Term burst; Begin Read; Latch CA; Determine AP 3 L H L L BA CA,A8/AP Term burst; Begin Read; Latch CA; Determine AP 3 L L H H BA RA ILLEGAL 2 L L H L BA A8/AP Term Burst; Precharge timing for Writes 3 Write L L L X X X ILLEGAL H X X X X X NOP(Continue Burst to End →Precharge) L H H H X X NOP(Continue Burst to End →Precharge) L H H L X X ILLEGAL L H L H BA CA,A8/AP ILLEGAL 2 L H L L BA CA,A8/AP ILLEGAL 2 L L H X BA RA, PA ILLEGAL Read with Auto Precharge L L L X X X ILLEGAL 2 |
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