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    參數(shù)資料
    型號: MPC8535AVTANG
    廠商: Freescale Semiconductor
    文件頁數(shù): 4/126頁
    文件大?。?/td> 0K
    描述: MCU PWRQUICC II 800MHZ 783-PBGA
    標準包裝: 1
    系列: MPC85xx
    處理器類型: 32-位 MPC85xx PowerQUICC III
    速度: 800MHz
    電壓: 1V
    安裝類型: 表面貼裝
    封裝/外殼: 783-BBGA,F(xiàn)CBGA
    供應商設備封裝: 783-FCPBGA(29x29)
    包裝: 托盤
    Electrical Characteristics
    MPC8535E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
    Freescale Semiconductor
    101
    TTX-IDLE-SET-TO-IDLE
    Maximum time to
    transition to a valid
    electrical idle after
    sending an
    electrical Idle
    ordered set
    20
    UI
    After sending an Electrical Idle ordered set, the
    Transmitter must meet all Electrical Idle Specifications
    within this time. This is considered a debounce time
    for the Transmitter to meet Electrical Idle after
    transitioning from L0.
    TTX-IDLE-TO-DIFF-DATA Maximum time to
    transition to valid
    TX specifications
    after leaving an
    electrical idle
    condition
    20
    UI
    Maximum time to meet all TX specifications when
    transitioning from Electrical Idle to sending differential
    data. This is considered a debounce time for the TX to
    meet all TX specifications after leaving Electrical Idle
    RLTX-DIFF
    Differential Return
    Loss
    12
    dB
    Measured over 50 MHz to 1.25 GHz. See Note 4
    RLTX-CM
    Common Mode
    Return Loss
    6
    dB
    Measured over 50 MHz to 1.25 GHz. See Note 4
    ZTX-DIFF-DC
    DC Differential TX
    Impedance
    80
    100
    120
    Ω
    TX DC Differential mode Low Impedance
    ZTX-DC
    Transmitter DC
    Impedance
    40
    Ω
    Required TX D+ as well as D- DC Impedance during
    all states
    LTX-SKEW
    Lane-to-Lane
    Output Skew
    500 +
    2 UI
    ps
    Static skew between any two Transmitter Lanes within
    a single Link
    CTX
    AC Coupling
    Capacitor
    75
    200
    nF
    All Transmitters shall be AC coupled. The AC coupling
    is required either within the media or within the
    transmitting component itself. See Note 8.
    Tcrosslink
    Crosslink Random
    Timeout
    0
    1
    ms
    This random timeout helps resolve conflicts in
    crosslink configuration by eventually resulting in only
    one Downstream and one Upstream Port. See Note 7.
    Notes:
    1. No test load is necessarily associated with this value.
    2. Specified at the measurement point into a timing and voltage compliance test load as shown in Figure 52 and measured over
    any 250 consecutive TX UIs. (Also refer to the transmitter compliance eye diagram shown in Figure 50)
    3. A TTX-EYE = 0.70 UI provides for a total sum of deterministic and random jitter budget of TTX-JITTER-MAX = 0.30 UI for the
    Transmitter collected over any 250 consecutive TX UIs. The TTX-EYE-MEDIAN-to-MAX-JITTER median is less than half of the total
    TX jitter budget collected over any 250 consecutive TX UIs. It should be noted that the median is not the same as the mean.
    The jitter median describes the point in time where the number of jitter points on either side is approximately equal as opposed
    to the averaged time value.
    4. The Transmitter input impedance shall result in a differential return loss greater than or equal to 12 dB and a common mode
    return loss greater than or equal to 6 dB over a frequency range of 50 MHz to 1.25 GHz. This input impedance requirement
    applies to all valid input levels. The reference impedance for return loss measurements is 50 ohms to ground for both the D+
    and D- line (that is, as measured by a Vector Network Analyzer with 50 ohm probes—see Figure 52). Note that the series
    capacitors CTX is optional for the return loss measurement.
    5. Measured between 20-80% at transmitter package pins into a test load as shown in Figure 52 for both VTX-D+ and VTX-D-.
    6. See Section 4.3.1.8 of the PCI Express Base Specifications Rev 1.0a
    7. See Section 4.2.6.3 of the PCI Express Base Specifications Rev 1.0a
    8. SerDes transmitter does not have CTX built-in. An external AC Coupling capacitor is required.
    Table 71. Differential Transmitter (TX) Output Specifications (continued)
    Symbol
    Parameter
    Min
    Nom
    Max
    Units
    Comments
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