參數(shù)資料
    型號: XRT75L03DIV-F
    廠商: Exar Corporation
    文件頁數(shù): 45/134頁
    文件大小: 0K
    描述: IC LIU E3/DS3/STS-1 3CH 128LQFP
    標(biāo)準(zhǔn)包裝: 72
    類型: 線路接口裝置(LIU)
    驅(qū)動器/接收器數(shù): 3/3
    規(guī)程: DS3,E3,STS-1
    電源電壓: 3.135 V ~ 3.465 V
    安裝類型: 表面貼裝
    封裝/外殼: 128-LQFP 裸露焊盤
    供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
    包裝: 托盤
    XRT75L03D
    á
    REV. 1.0.0
    THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
    13
    69
    RxMON/
    SDO
    I
    Receiver Monitor Mode Enable:
    This input pin permits the user to configure each of the three (3) Receive Sec-
    tions within the XRT75L03D, into the Receiver Monitor Mode.
    If the user configures each of the Receive Sections into the Receive Monitor
    Mode, then each of the Receiver Sections will be able to receive a nominal
    DSX-3/STSX-1 signal that has been attenuated by 20dB of flat loss along with
    6dB of cable loss, in an error-free manner, and without declaring the LOS defect
    condition.
    "Low" - Configures each of the Receive Sections to operate in the Normal
    Mode.
    "High" - Configures each of the Receive Sections to operate in the Receive
    Monitor Mode.
    NOTES:
    1.
    This input pin will function as the SDO (Serial Data Output pin within
    the Microprocessor Serial Interface) whenever the XRT75L03D has
    been configured to operate in the Host Mode.
    2.
    This configuration setting applies globally to all three (3) of the
    channels within the XRT75L03D.
    68
    RxON/
    SDI
    I
    Receive ON:
    This input pin permits the user to either turn on or turn off each of the three (3)
    Receive Sections within the XRT75L03D. If the user turns on the Receive Sec-
    tions of each channel, then all three channels will begin to receive the incoming
    DS3, E3 or STS-1 data-streams via the RTIP_n and RRING_n input pins.
    Conversely, if the user turns off the Receive Section, then the entire Receive
    Section (e.g., the AGC and Receive Equalizer blocks, Clock Recovery PLL, etc.)
    will be powered down.
    "Low" - Shuts off the Receive Sections within each of the three (3) Channels in
    the XRT75L03D.
    "High" - Turns on the Receive Sections within each of the three (3) Channels in
    the XRT75L03D.
    NOTES:
    1.
    This input pin will function as the SDI (Serial Data Input pin within the
    Microprocessor Serial Interface) whenever the XRT75L03D has been
    configured to operate in the Host Mode.
    2.
    This configuration setting applies globally to all three (3) of the
    channels within the XRT75L03D.
    3.
    This pin is internally pulled low.
    SYSTEM-SIDE RECEIVE OUTPUT AND RECEIVE CONTROL PINS
    PIN #SIGNAL NAME
    TYPE
    DESCRIPTION
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