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    • 參數(shù)資料
      型號(hào): CY7C018V-15AC
      英文描述: x9 Dual-Port SRAM
      中文描述: X9熱賣(mài)雙端口SRAM
      文件頁(yè)數(shù): 20/20頁(yè)
      文件大?。?/td> 301K
      代理商: CY7C018V-15AC
      CY7C138AV/144AV/006AV
      CY7C139AV/145AV/016AV
      CY7C007AV/017AV
      Document #: 38-06051 Rev. *A
      Page 9 of 20
      Switching Waveforms
      Notes:
      24. R/W is HIGH for read cycles.
      25. Device is continuously selected CE = VIL. This waveform cannot be used for semaphore reads.
      26. OE = VIL.
      27. Address valid prior to or coincident with CE transition LOW.
      28. To access RAM, CE = VIL, SEM = VIH. To access semaphore, CE = VIH, SEM = VIL.
      tRC
      tAA
      tOHA
      DATA VALID
      PREVIOUS DATA VALID
      DATA OUT
      ADDRESS
      tOHA
      Read Cycle No. 1 (Either Port Address Access)[24, 25, 26]
      tACE
      tLZOE
      tDOE
      tHZOE
      tHZCE
      DATA VALID
      tLZCE
      tPU
      tPD
      ISB
      ICC
      DATA OUT
      OE
      CE
      CURRENT
      Read Cycle No. 2 (Either Port CE/OE Access)[24, 27, 28]
      DATA OUT
      tRC
      ADDRESS
      tAA
      tOHA
      CE
      tLZCE
      tABE
      tHZCE
      tACE
      tLZCE
      Read Cycle No. 3 (Either Port)[24, 26, 27, 28]
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