參數(shù)資料
型號(hào)： XRT83VSH316IB-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 46/98頁(yè)
文件大?。?/td> 0K
描述： IC LIU SH T1/E1/J1 16CH 316STBGA
標(biāo)準(zhǔn)包裝： 60
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 16/16
規(guī)程： T1，E1，J1
電源電壓： 3.14 V ~ 3.47 V
安裝類型： 表面貼裝
封裝/外殼： 316-LBGA
供應(yīng)商設(shè)備封裝： 316-STBGA（21x21）
包裝： 托盤
其它名稱： 1016-1483
XRT83VSH316IB-F-ND
XRT83VSH316
47
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.1
5.4
Power Failure Protection
For 1:1 or 1+1 line card redundancy in T1/E1 applications, power failure could cause a line card to change the
characteristics of the line impedance, causing a degradation in system performance. The XRT83VSH316 was
designed to ensure reliability during power failures. The LIU has patented high impedance circuits that allow
the receiver inputs and the transmitter outputs to be in "High" impedance when the LIU experiences a power
failure or when the LIU is powered off.
NOTE: For power failure protection, a transformer must be used to couple to the line interface. See the TAN-56 application
note for more details.
5.5
Overvoltage and Overcurrent Protection
Physical layer devices such as LIUs that interface to telecommunications lines are exposed to overvoltage
transients posed by environmental threats. An Overvoltage transient is a pulse of energy concentrated over a
small period of time, usually under a few milliseconds. These pulses are random and exceed the operating
conditions of CMOS transceiver ICs. Electronic equipment connecting to data lines are susceptible to many
forms of overvoltage transients such as lightning, AC power faults and electrostatic discharge (ESD). There
are three important standards when designing a telecommunications system to withstand overvoltage
transients.
UL1950 and FCC Part 68
Telcordia (Bellcore) GR-1089
ITU-T K.20, K.21 and K.41
NOTE:
For a reference design and performance, see the TAN-58 application note for more details.
5.6
Non-Intrusive Monitoring
In non-intrusive monitoring applications, the transmitters are shut off by setting TxON "Low". The receivers
must be actively receiving data without interfering with the line impedance. The XRT83VSH316’s internal
termination ensures that the line termination meets T1/E1 specifications for 75
100 or 120 while
monitoring the data stream. System integrity is maintained by placing the non-intrusive receiver in "High"
impedance, equivalent to that of a 1+1 redundancy application. A simplified block diagram of non-intrusive
monitoring is shown in Figure 33.
FIGURE 33. SIMPLIFIED BLOCK DIAGRAM OF A NON-INTRUSIVE MONITORING APPLICATION
Line Card Transceiver
Non-Intrusive Receiver
Node
XRT83VSH316
Data Traffic
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83VSH316IB-F 制造商:Exar Corporation 功能描述:T1/E1 LIU IC
XRT83VSH38 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH38ES 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 8CH T1/E1LIUSH (low cost version) 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
XRT83VSH38IB 功能描述:接口 - 專用 8CH SH T1/E1 Line RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
XRT83VSH38IB-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 8 Channel Short-Haul 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
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