• <ol id="iprfj"></ol>
    參數(shù)資料
    型號(hào): ISP1520
    廠商: NXP Semiconductors N.V.
    英文描述: Hi-Speed Universal Serial Bus hub controller
    中文描述: 高速通用串行總線控制器樞紐
    文件頁(yè)數(shù): 34/51頁(yè)
    文件大?。?/td> 259K
    代理商: ISP1520
    Philips Semiconductors
    ISP1520
    Hi-Speed USB hub controller
    Product data
    Rev. 02 — 04 May 2004
    34 of 51
    9397 750 11689
    Koninklijke Philips Electronics N.V. 2004. All rights reserved.
    [1]
    [2]
    All pins are 5 V tolerant.
    The bus capacitance (C
    b
    ) is specified in pF. To meet the specification for V
    OL
    and the maximum rise time (300 ns), use an external
    pull-up resistor with R
    max
    = 850/C
    b
    k
    and R
    min
    = (V
    CC
    0.4)/3 k
    .
    Table 38:
    V
    CC
    = 3.0 V to 3.6 V; T
    amb
    = 0
    °
    C to 70
    °
    C; unless otherwise specified.
    Symbol
    Parameter
    Input pin SCL and input/output pin SDA
    [1]
    V
    IL
    LOW-level input voltage
    V
    IH
    HIGH-level input voltage
    V
    hys
    hysteresis voltage
    V
    OL
    LOW-level output voltage
    t
    f
    output fall time V
    IH
    to V
    IL
    Static characteristics: I
    2
    C-bus interface block
    Conditions
    Min
    Typ
    Max
    Unit
    -
    2.1
    0.15
    -
    -
    -
    -
    -
    0
    0.9
    -
    -
    0.4
    250
    V
    V
    V
    V
    ns
    10 < C
    b
    = 10 pF to 400 pF
    [2]
    -
    Table 39:
    V
    CC
    = 3.0 V to 3.6 V; T
    amb
    = 0
    °
    C to 70
    °
    C; unless otherwise specified.
    Symbol
    Parameter
    Input levels for high-speed
    V
    HSSQ
    squelch detection threshold
    (differential signal amplitude)
    Static characteristics: USB interface block (DP0 to DP4 and DM0 to DM4)
    Conditions
    Min
    Typ
    Max
    Unit
    squelch detected
    no squelch detected
    -
    150
    50
    -
    -
    -
    100
    -
    +500
    mV
    mV
    mV
    V
    HSCM
    data signaling common-mode
    voltage range
    Output levels for high-speed
    V
    HSOI
    idle state
    V
    HSOH
    data signaling HIGH
    V
    HSOL
    data signaling LOW
    V
    CHIRPJ
    chirp J level (differential voltage)
    V
    CHIRPK
    chirp K level (differential voltage)
    Input levels for full-speed and low-speed
    V
    IL
    LOW-level input voltage
    V
    IH
    HIGH-level input voltage (drive)
    V
    IHZ
    HIGH-level input voltage (floating)
    V
    DI
    differential input sensitivity
    V
    CM
    differential common-mode range
    Output levels for full-speed and low-speed
    V
    OL
    LOW-level output voltage
    V
    OH
    HIGH-level output voltage
    V
    CRS
    output signal crossover point
    voltage
    Leakage current
    I
    LZ
    OFF-state leakage current
    Capacitance
    C
    IN
    transceiver capacitance
    10
    360
    10
    -
    -
    -
    -
    -
    +10
    440
    +10
    1100
    500
    mV
    mV
    mV
    mV
    mV
    [1]
    700
    [1]
    900
    -
    2.0
    2.7
    0.2
    0.8
    -
    -
    -
    -
    -
    0.8
    -
    3.6
    -
    2.5
    V
    V
    V
    V
    V
    |
    DP
    DM
    |
    0
    2.8
    -
    -
    -
    0.3
    3.6
    2.0
    V
    V
    V
    [2]
    1.3
    1
    -
    +1
    μ
    A
    pin to GND
    -
    -
    20
    pF
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