參數(shù)資料
型號： XRT75L03IV
廠商： Exar Corporation
文件頁數(shù)： 11/92頁
文件大?。?/td> 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(dòng)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
XRT75L03
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.4
16
108
DS3Clk/ CLK_OUT
I/O
DS3 Reference Clock Input/SFM Synthesizer Clock Output:
The function of this chip depends upon whether or not the XRT75L03 has been
configured to operate in the SFM Mode.
If NOT operating in the Single-Frequency Mode
If the XRT75L03 has NOT been configured to operate in the SFM Mode, and if
at least one channel of the XRT75L03 is configured in the DS3 Mode, then a
clock signal with a frequency of 44.736 MHz ± 20ppm must be applied to this
input pin.
If the XRT75L03 is not configured to operate in the SFM Mode and none of the
channels are to be operated in the DS3 Mode, tie this input signal to GND.
If operating in the Single-Frequency Mode
If the XRT75L03 is configured to operate in the SFM Mode, and if pin 107
(E3CLK/CLKEN) is pulled to a logic "High", then the SFM Clock Synthesizer
PLL generated line rate clock signal for Channel 1 will be output via this output
pin.
In this mode, this particular output pin can be used by the user's system as a
timing source.
109
STS-1Clk/ 12M
I
STS-1 Reference Clock Input/12.288MHz SFM Reference Clock Input:
The function of this pin depends upon whether or not the XRT75L03 has been
configured to operate in the SFM Mode.
If NOT operating in the Single-Frequency Mode
If the XRT75L03 has NOT been configured to operate in the SFM Mode and if at
least one channel is intended to operate in the STS-1 Mode, then the user must
supply a clock signal with a frequency of 51.84MHz ± 4.6ppm to this input pin
If the XRT75L03 is not to be operatedin the SFM Mode and none of the chan-
nels are to be operated in the STS-1 Mode, tie this input signal to GND.
If operating in the Single-Frequency Mode
If the user has configured the XRT75L03 has been configured to operate in the
SFM Mode a clock signal with a frequency of 12.288MHz ± 20ppm MUST be
applied to this input pin. The SFM Synthesizer will then synthesize one of the
appropriate line rate frequencies (e.g., 34.368MHz for E3, 44.736MHz for DS3,
and 51.84MHz for STS-1) based upon this 12.288MHz Reference Clock source.
SYSTEM-SIDE RECEIVE OUTPUT AND RECEIVE CONTROL PINS
PIN #SIGNAL NAME
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L03IV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3-Ch DS3, E3, STS-1 RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT75L03IVTR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3CH E3/DS3/STS1 JITTER ATTENUATOR RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75L03IVTR-F 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75L04 制造商:EXAR 制造商全稱:EXAR 功能描述:FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
XRT75L04D 制造商:EXAR 制造商全稱:EXAR 功能描述:FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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