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A43L8316 датащи(PDF) 42 Page - AMIC Technology |
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A43L8316 датащи(HTML) 42 Page - AMIC Technology |
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42 / 45 page ![]() A43L8316 Preliminary (April, 2000, Version 1.0) 41 AMIC Technology, Inc. Function Truth Table (Table 1, Continued) Current State CS RAS CAS WE BA Address Action Note 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 Write with Auto Precharge L L L X X X ILLEGAL 2 H X X X X X NOP →Idle after tRP L H H H X X NOP →Idle after tRP L H H L X X ILLEGAL L H L X BA CA,A8/AP ILLEGAL 2 L L H H BA RA ILLEGAL 2 L L H L BA PA NOP →Idle after tRP 2 Precharge L L L X X X ILLEGAL 4 H X X X X X NOP →Row Active after tRCD L H H H X X NOP →Row Active after tRCD L H H L X X ILLEGAL L H L X BA CA,A8/AP ILLEGAL 2 L L H H BA RA ILLEGAL 2 L L H L BA PA ILLEGAL 2 Row Activating L L L X X X ILLEGAL 2 H X X X X X NOP →Idle after tRC L H H X X X NOP →Idle after tRC L H L X X X ILLEGAL L L H X X X ILLEGAL Refreshing L L L X X X ILLEGAL Abbreviations RA = Row Address BA = Bank Address AP = Auto Precharge NOP = No Operation Command CA = Column Address PA = Precharge All Note: 1. All entries assume that CKE was active (High) during the preceding clock cycle and the current clock cycle. 2. Illegal to bank in specified state : Function may be legal in the bank indicated by BA, depending on the state of that bank. 3. Must satisfy bus contention, bus turn around, and/or write recovery requirements. 4. NOP to bank precharging or in idle state. May precharge bank indicated by BA (and PA). 5. Illegal if any banks is not idle. |
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