Test Circuits and Waveforms FIGURE 1A. VOD AND VOC<" />

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  • 參數(shù)資料
    型號: ISL81486IU
    廠商: Intersil
    文件頁數(shù): 7/11頁
    文件大?。?/td> 0K
    描述: IC TXRX RS485/422 5V HS 8-MSOP
    標(biāo)準(zhǔn)包裝: 98
    類型: 收發(fā)器
    驅(qū)動器/接收器數(shù): 1/1
    規(guī)程: RS422,RS485
    電源電壓: 4.5 V ~ 5.5 V
    安裝類型: 表面貼裝
    封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
    供應(yīng)商設(shè)備封裝: 8-MSOP
    包裝: 管件
    5
    Test Circuits and Waveforms
    FIGURE 1A. VOD AND VOC
    FIGURE 1B. VOD WITH COMMON MODE LOAD
    FIGURE 1. DC DRIVER TEST CIRCUITS
    FIGURE 2A. TEST CIRCUIT
    FIGURE 2B. MEASUREMENT POINTS
    FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
    FIGURE 3A. TEST CIRCUIT
    FIGURE 3B. MEASUREMENT POINTS
    FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
    D
    DE
    DI
    VCC
    VOD
    VOC
    R
    Z
    Y
    D
    DE
    DI
    VCC
    VOD
    375
    375
    Z
    Y
    RD = 60
    VCM
    -7V to +12V
    D
    DE
    DI
    VCC
    SIGNAL
    GENERATOR
    CL = 100pF
    RDIFF
    Z
    Y
    CL = 100pF
    OUT (Y)
    3V
    0V
    tPLH
    1.5V
    VOH
    VOL
    50%
    tPHL
    OUT (Z)
    tPHL
    VOH
    VOL
    50%
    tPLH
    DIFF OUT (Y - Z)
    tR
    +VOD
    -VOD
    90%
    tF
    10%
    DI
    SKEW =
    |CROSSING PT. OF Y
    ↑ & Z↓ - CROSSING PT. OF Y↓ & Z↑|
    D
    DE
    DI
    CL
    110
    Z
    Y
    VCC
    GND
    SW
    PARAMETER OUTPUT
    RE
    DI
    SW
    CL (pF)
    tHZ
    Y/Z
    X
    1/0
    GND
    50
    tLZ
    Y/Z
    X
    0/1
    VCC
    50
    tZH
    Y/Z
    X
    1/0
    GND
    50
    tZL
    Y/Z
    X
    0/1
    VCC
    50
    SIGNAL
    GENERATOR
    OUT (Y, Z)
    3V
    0V
    1.5V
    VOH
    0V
    2.3V
    VOH - 0.5V
    tHZ
    OUT (Y, Z)
    VCC
    VOL
    2.3V
    VOL + 0.5V
    tLZ
    DE
    OUTPUT HIGH
    OUTPUT LOW
    tZL
    tZH
    ISL4486, ISL81486
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