• 參數(shù)資料
    型號(hào)： LER245A
    廠商： Texas Instruments, Inc.
    英文描述： OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
    中文描述： 八路總線收發(fā)器具有三態(tài)輸出
    文件頁(yè)數(shù)： 1/21頁(yè)
    文件大小： 628K
    代理商： LER245A
    www.ti.com
    FEATURES
    Operates From 1.65 V to 3.6 V
    Inputs Accept Voltages to 5.5 V
    Max t
    pd
    of 6.3 ns at 3.3 V
    All Outputs Have Equivalent 26-
    Series
    Resistors, So No External Resistors Are
    Required
    Typical V
    OLP
    (Output Ground Bounce)
    <0.8 V at V
    CC
    = 3.3 V, T
    A
    = 25
    °
    C
    Typical V
    OHV
    (Output V
    OH
    Undershoot)
    >2 V at V
    CC
    = 3.3 V, T
    A
    = 25
    °
    C
    DB, DBQ, DGV, DW, NS, OR PW PACKAGE
    (TOP VIEW)
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    20
    19
    18
    17
    16
    15
    14
    13
    12
    11
    DIR
    A1
    A2
    A3
    A4
    A5
    A6
    A7
    A8
    GND
    V
    CC
    OE
    B1
    B2
    B3
    B4
    B5
    B6
    B7
    B8
    RGY PACKAGE
    (TOP VIEW)
    1
    20
    10
    11
    2
    3
    4
    5
    6
    7
    8
    9
    19
    18
    17
    16
    15
    14
    13
    12
    OE
    B1
    B2
    B3
    B4
    B5
    B6
    B7
    A1
    A2
    A3
    A4
    A5
    A6
    A7
    A8
    D
    B
    V
    G
    C
    DESCRIPTION/ORDERING INFORMATION
    SN74LVCR2245A
    OCTAL BUS TRANSCEIVER
    WITH 3-STATE OUTPUTS
    SCAS581M–NOVEMBER 1996–REVISED MARCH 2005
    Supports Mixed-Mode Signal Operation on All
    Ports (5-V Input/Output Voltage
    With 3.3-V V
    CC
    )
    I
    off
    Supports Partial-Power-Down Mode
    Operation
    Latch-Up Performance Exceeds 250 mA Per
    JESD 17
    ESD Protection Exceeds JESD 22
    – 2000-V Human-Body Model (A114-A)
    – 1000-V Charged-Device Model (C101)
    ORDERING INFORMATION
    T
    A
    PACKAGE
    (1)
    ORDERABLE PART NUMBER
    SN74LVCR2245ARGYR
    SN74LVCR2245ADW
    SN74LVCR2245ADWR
    SN74LVCR2245ANSR
    SN74LVCR2245ADBR
    SN74LVCR2245ADBQR
    SN74LVCR2245APW
    SN74LVCR2245APWR
    SN74LVCR2245APWT
    SN74LVCR2245ADGVR
    SN74LVCR2245AGQNR
    SN74LVCR2245AZQNR
    TOP-SIDE MARKING
    LER245A
    QFN – RGY
    Reel of 1000
    Tube of 25
    Reel of 2000
    Reel of 2000
    Reel of 2000
    Reel of 2500
    Tube of 70
    Reel of 2000
    Reel of 250
    Reel of 2000
    SOIC – DW
    LVCR2245A
    SOP – NS
    SSOP – DB
    SSOP (QSOP) – DBQ
    LVCR2245A
    LER245A
    LVCR2245A
    –40
    °
    C to 85
    °
    C
    TSSOP – PW
    LER245A
    TVSOP – DGV
    VFBGA – GQN
    VFBGA – ZQN (Pb-free)
    LER245A
    Reel of 1000
    LER245A
    (1)
    Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
    www.ti.com/sc/package.
    Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
    Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
    PRODUCTION DATA information is current as of publication date.
    Products conform to specifications per the terms of the Texas
    Instruments standard warranty. Production processing does not
    necessarily include testing of all parameters.
    Copyright 1996–2005, Texas Instruments Incorporated
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