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    1. 參數(shù)資料
      型號(hào): IDT7140LA20P
      廠商: Integrated Device Technology, Inc.
      英文描述: HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
      中文描述: 高速每1000 × 8雙端口靜態(tài)RAM
      文件頁(yè)數(shù): 6/14頁(yè)
      文件大小: 218K
      代理商: IDT7140LA20P
      IDT7130SA/LA AND IDT7140SA/LA
      HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
      MILITARY AND COMMERCIAL TEMPERATURE RANGES
      6.01
      6
      AC ELECTRICAL CHARACTERISTICS OVER THE
      OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE
      (3)
      7130X20
      (2)
      7130X25
      (5)
      7130X35
      7140X35
      7130X55
      7140X55
      7130X100
      7140X100
      7140X25
      (5)
      Min. Max. Min.
      Symbol
      Parameter
      Min. Max.
      Max. Min. Max. Min.
      Max. Unit
      Read Cycle
      t
      RC
      t
      AA
      t
      ACE
      t
      AOE
      t
      OH
      t
      LZ
      t
      HZ
      t
      PU
      t
      PD
      NOTES:
      1. Transition is measured
      ±
      500mV from Low or High-impedance voltage Output Test Load (Figure 2).
      2. Com'l Only, 0
      °
      C to +70
      °
      C temperature range. PLCC and TQFP package.
      3. “X” in part numbers indicates power rating (SA or LA).
      4. This parameter is guaranteed by device characterization, but is not production tested.
      5. Not available in DIP packages.
      Read Cycle Time
      Address Access Time
      Chip Enable Access Time
      Output Enable Access Time
      Output Hold From Address Change
      Output Low-Z Time
      (1,4)
      Output High-Z Time
      (1,4)
      Chip Enable to Power Up Time
      (4)
      Chip Disable to Power Down Time
      (4)
      20
      20
      20
      11
      10
      20
      25
      3
      0
      0
      25
      25
      12
      10
      25
      35
      3
      0
      0
      35
      35
      20
      15
      35
      55
      3
      5
      0
      55
      55
      25
      25
      50
      100
      10
      5
      0
      100
      100
      40
      40
      50
      ns
      ns
      ns
      ns
      ns
      ns
      ns
      ns
      ns
      3
      0
      0
      2689 tbl 09
      TIMING WAVEFORM OF READ CYCLE NO. 1, EITHER SIDE
      (1)
      ADDRESS
      DATA
      OUT
      t
      RC
      t
      OH
      PREVIOUS DATA VALID
      t
      AA
      t
      OH
      DATA VALID
      2689 drw 08
      t
      BDD
      (2,3)
      BUSY
      OUT
      NOTES:
      1.
      R/
      W
      = V
      IH
      ,
      CE
      = V
      IL
      , and is
      OE
      = V
      IL
      . Address is valid prior to the coincidental with
      CE
      transition Low.
      2.
      t
      BDD
      delay is required only in the case where the opposite port is completing a write operation to the same the
      address location. For simultaneous read operations,
      BUSY
      has no relationship to valid output data.
      3. Start of valid data depends on which timing becomes effective last t
      AOE
      , t
      ACE
      , t
      AA
      , and t
      BDD
      .
      相關(guān)PDF資料
      PDF描述
      IDT7140LA20PB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
      IDT7140LA20PF HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
      IDT7140LA20PFB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
      IDT7140LA20TF HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
      IDT7140LA20TFB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
      相關(guān)代理商/技術(shù)參數(shù)
      參數(shù)描述
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