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參數(shù)資料
| 型號(hào)： | XRT83SH38IB |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 9/78頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU SH T1/E1/J1 8CH 225BGA |
| 標(biāo)準(zhǔn)包裝： | 84 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 8/8 |
| 規(guī)程： | T1，E1，J1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 225-BGA |
| 供應(yīng)商設(shè)備封裝： | 225-BGA（19x19） |
| 包裝： | 托盤 |
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XRT83SH38
14
REV. 1.0.7
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
ALARM FUNCTIONS/REDUNDANCY SUPPORT
SIGNAL NAME
BGA
LEAD #
TYPE
DESCRIPTION
GAUGE
J18
I
Twisted Pair Cable Wire Gauge Select
Hardware Mode Only
This pin is used to match the frequency characteristics according to the gauge of
wire used in Telecom circuits. By default, the LIU is matched to 22 gauge or 24
gauge wire. To select 26 gauge, this pin must be pulled "High".
NOTE: Internally pulled “Low” with a 50k
resistor.
DMO0
DMO1
DMO2
DMO3
DMO4
DMO5
DMO6
DMO7
D5
D4
C15
C13
R5
P4
U17
V14
O
Digital Monitor Output
When no transmit output pulse is detected for more than 128 TCLK cycles within the
transmit output buffer, the DMO pin will go "High" for a minimum of one TCLK cycle.
DMO will remain "High" until the transmitter sends a valid pulse.
NOTE: This pin can be used for redundancy applications to initiate an automatic
switch to a backup card.
RESET
T8
I
Hardware Reset Input
Active low signal. When this pin is pulled "Low" for more than 10S, the internal reg-
isters are set to their default state. See the register description for the default val-
ues.
NOTE: Internally pulled "High" with a 50K
resistor.
SR/DR
K4
I
Single-Rail/Dual-Rail Data Format
Hardware Mode Only
This pin is used to control the data format on the facility side of the LIU to interface to
a Framer or Mapper/ASIC device. By default, dual rail mode is selected which relies
upon the Framer to handle the encoding/decoding functions. To select single rail
mode, this pin must be pulled "High". If single rail mode is selected, the LIU can
encode/decode AMI or B8ZS/HDB3 data formats.
NOTE: Internally pulled “Low” with a 50k
resistor.
RXTSEL
U11
I
Receiver Termination Select
Hardware Mode
This pin is used to select between the internal and external impedance modes for
the receive path. By default, the receivers are configured for external impedance
mode, which is ideal for redundancy applications without relays. To select internal
impedance, this pin must be pulled "HIgh".
Host Mode
Internal/External impedance can be selected by programming the appropriate chan-
nel registers. However, to assist in redundancy applications, this pin can be used for
a hard switch if the RxTCNTL bit is set "High" in the appropriate global register. If
RxTCNTL is set "High", the individual RxTSEL register bits are ignored.
NOTE: This pin is internally pulled “Low” with a 50k
resistor.
TXTSEL
V11
I
Transmitter Termination Select
Hardware Mode
This pin is used to select between the internal and external impedance modes for
the transmit path. By default, the receivers are configured for external impedance
mode, which is ideal for redundancy applications without relays. To select internal
impedance, this pin must be pulled "HIgh".
NOTE: This pin is internally pulled "Low".
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SH38IB-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 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 |
| XRT83SL216 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216_06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216ES | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 16 CH E1 LIU SH 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 |
| XRT83SL216IB | 功能描述:接口 - 專用 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 |
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