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    參數(shù)資料
    型號: LTC1335ISW#PBF
    廠商: Linear Technology
    文件頁數(shù): 3/20頁
    文件大?。?/td> 0K
    描述: IC TXRX RS232/485/EIA562 24-SOIC
    標(biāo)準(zhǔn)包裝: 32
    類型: 收發(fā)器
    驅(qū)動器/接收器數(shù): 6/6
    規(guī)程: RS232,RS485
    電源電壓: 4.75 V ~ 5.25 V
    安裝類型: 表面貼裝
    封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
    供應(yīng)商設(shè)備封裝: 24-SOIC
    包裝: 管件
    11
    LTC1321/LTC1322/LTC1335
    Figure 6. Receiver Output
    Enable/Disable Timing Test Load
    Figure 5. EIA/TIA-562 Receiver
    Timing Test Circuit
    Figure 4. EIA/TIA-562 Driver
    Timing Test Circuit
    TEST CIRCUITS
    Figure 3. RS485 Driver Output
    Enable/Disable Timing Test Load
    Figure 2. RS485 Driver/Receiver
    Timing Test Circuit
    Figure 1. RS485 Driver
    Test Load
    R
    VOD
    Y
    Z
    1321/22/35 F01
    VOC
    DR OUT
    CL
    500
    S2
    1321/22/35 F03
    VCC
    S1
    RL
    1321/22/35 F04
    Y OR Z
    0V
    SEL
    D
    CL
    RX OUT
    CL
    1k
    S2
    1321/22/35 F06
    VCC
    S1
    RL
    CL
    1321/22/35 F02
    Y
    3V
    SEL
    DE
    Z
    CL
    A
    SEL
    3V
    0V
    R
    B
    15pF
    D
    OE
    1321/22/35 F05
    15pF
    Y OR Z
    0V
    SEL
    D
    R
    0V
    SEL
    A OR B
    0V
    OE
    RA1
    PORT 1 = EIA562 MODE
    PORT 2 = EIA562 MODE
    23
    DY2
    17
    14
    RB2
    PORT 1 = RS485 MODE
    PORT 2 = RS485 MODE
    DY1
    5
    6
    VCC
    ON
    DE1
    Z1
    Y1
    PORT 1 = RS485 MODE
    PORT 2 = EIA562 MODE
    DZ2
    Y2
    Z2
    SEL2
    24
    4
    7
    8
    9
    22
    21
    20
    LB
    18
    19
    16
    GND
    VEE
    12
    13
    RA2
    15
    PORT 1 = EIA562 MODE
    PORT 2 = RS485 MODE
    1
    *VDD/OE
    *
    RB1
    RA1
    VCC
    DZ1
    DY1
    ON
    Z1
    DY2
    DZ2
    Z2
    Y2
    SEL1
    SEL2
    23
    24
    1
    4
    6
    7
    8
    9
    21
    22
    19
    LB
    18
    17
    GND
    VEE
    15
    14
    13
    RA2
    RB2
    16
    Y1
    5
    20
    *VDD/OE
    *
    12
    RB1
    RA1
    VCC
    DZ1
    DY1
    ON
    Z1
    DY2
    DE2
    Z2
    Y2
    SEL1
    23
    24
    1
    4
    6
    7
    8
    9
    21
    22
    19
    LB
    18
    17
    GND
    VEE
    15
    14
    13
    RA2
    RB2
    16
    Y1
    5
    20
    *VDD/OE
    *
    12
    RA1
    VCC
    DE1
    DY1
    ON
    Z1
    DY2
    DE2
    Z2
    Y2
    23
    24
    1
    4
    6
    7
    8
    9
    21
    22
    19
    LB
    18
    17
    GND
    VEE
    15
    14
    13
    RA2
    RB2
    16
    Y1
    5
    20
    *VDD/OE
    *
    RB1
    1322/35 BD02
    12
    **SEL1
    **SEL2
    **SEL1
    FOR LTC1322 ONLY, PIN 1 IS VDD, AND OE IS ALWAYS ENABLED.
    FOR LTC1335, PIN 1 IS OE, AND VDD IS CONNECTED TO VCC.
    SEL1/SEL2 = VCC.
    *
    **
    LTC1322/LTC1335 Interface Configuration With Loopback
    BLOCK DIAGRA SM
    W
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