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      參數(shù)資料
      型號(hào): DS1685-3
      廠商: MAXIM INTEGRATED PRODUCTS INC
      元件分類: Timer or RTC
      英文描述: 1 TIMER(S), REAL TIME CLOCK, PDIP24
      封裝: 0.600 INCH, PLASTIC, DIP-24
      文件頁(yè)數(shù): 20/34頁(yè)
      文件大?。?/td> 455K
      代理商: DS1685-3
      DS1685/DS1687 3V/5V Real-Time Clocks
      27 of 34
      RTC AC TIMING CHARACTERISTICS
      (VCC = 3.0V±10%, TA = 0°C to +70°C, TA = -40°C to +85°C)
      PARAMETER
      SYMBOL
      MIN
      TYP
      MAX
      UNITS
      NOTES
      Cycle Time
      tCYC
      260
      DC
      ns
      Pulse Width,
      RD/WR Low
      PWRWL
      100
      ns
      Pulse Width,
      RD/WR High
      PWRWH
      100
      ns
      Input Rise and Fall Time
      tR, tF
      30
      ns
      Chip-Select Setup Time
      Before
      WR or RD
      tCS
      20
      ns
      Chip-Select Hold Time
      tCH
      0
      ns
      Read-Data Hold Time
      tDHR
      10
      50
      ns
      Write-Data Hold Time
      tDHW
      0
      ns
      Muxed Address Valid Time to
      ALE Fall
      tASL
      30
      ns
      Muxed Address Hold Time
      from ALE Fall
      tAHL
      15
      ns
      RD or WR High Setup to ALE
      Rise
      tASD
      30
      ns
      Pulse-Width ALE High
      PWASH
      80
      ns
      ALE Low Setup to
      RD or WR
      Fall
      tASED
      30
      ns
      Output-Data Delay Time from
      RD
      tDDR
      20
      80
      ns
      6
      Data Setup Time
      tDSW
      60
      ns
      IRQ Release from RD
      tIRD
      2
      s
      AC TEST CONDITIONS
      Output Load: 50pF
      Input Pulse Levels: 0 to 3.0V
      Timing Measurement Reference Levels
      Input : 1.5V
      Output: 1.5V
      Input Pulse Rise and Fall Times: 5ns
      相關(guān)PDF資料
      PDF描述
      DS1687-5 1 TIMER(S), REAL TIME CLOCK, PDIP24
      DS1685Q-3 1 TIMER(S), REAL TIME CLOCK, PQCC28
      DS1685S-3 1 TIMER(S), REAL TIME CLOCK, PDSO24
      DS1685E-5 1 TIMER(S), REAL TIME CLOCK, PDSO24
      DS1685QN-3 1 TIMER(S), REAL TIME CLOCK, PQCC28
      相關(guān)代理商/技術(shù)參數(shù)
      參數(shù)描述
      DS1685-3_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
      DS1685-3+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
      DS1685-5 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
      DS1685-5_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3V/5V Real-Time Clocks
      DS1685-5+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube