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參數(shù)資料
| 型號(hào)： | XRT73R12 |
| 廠商： | Exar Corporation |
| 英文描述： | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| 中文描述： | 第十二章通道E3/DS3/STS-1線路接口單元 |
| 文件頁(yè)數(shù)： | 7/87頁(yè) |
| 文件大?。?/td> | 436K |
| 代理商： | XRT73R12 |
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PRELIMINARY
XRT73R12
REV. P1.0.3
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
4
C25
AB25
H23
W23
H24
Y26
H3
Y1
H4
W4
C2
AB2
TxNEG0
TxNEG1
TxNEG2
TxNEG3
TxNEG4
TxNEG5
TxNEG6
TxNEG7
TxNEG8
TxNEG9
TxNEG10
TxNEG11
I
Transmit Negative Data Input
When a Channel has been configured to operate in the Dual-Rail Mode,
the user should apply a pulse to this input pin anytime the Transmit Section
of the LIU IC to generate a negative-polarity pulse onto the line. This signal
will be latched into the Transmit Section circuitry upon the active edge of
the TxCLK_n signal.
N
OTE
:
In the Single-Rail Mode, this input pin has no function, and should
be tied to GND.
B24
AE24
C20
AD20
C16
AD16
C11
AD11
C7
AD7
C3
AD3
TTip0
TTip1
TTip2
TTip3
TTip4
TTip5
TTip6
TTip7
TTip8
TTip9
TTip10
TTip11
O
Transmit TTIP Output - Positive Polarity Signal
These output pins along with the corresponding TRING_n output pins, function as
the Transmit DS3/E3/STS-1 Line output signal drivers for a given channel of the
XRT73R12.
Connect this signal and the corresponding TRING_n output signal to a 1:1 trans-
former.
Whenever the Transmit Section of the Channel generates and transmits a positive-
polarity pulse onto the line, this output pin will be pulsed to a high ervoltage than
its corresponding TRING_n output pins.
Conversely, whenever the Transmit Section of the Channel generates and transmit
a negative-polarity pulse onto the line, this output pin will be pulsed to a lower
voltage than its corresponding TRING_n output pin.
N
OTE
:
This output pin will be tri-stated whenever the TxON input pin or bit-field
is set to "0".
C24
AD24
B20
AE20
B16
AE16
B11
AE11
B7
AE7
B3
AE3
TRing0
TRing1
TRing2
TRing3
TRing4
TRing5
TRing6
TRing7
TRing8
TRing9
TRing10
TRing11
O
Transmit Ring Output - Negative Polarity Signal
These output pins along with the corresponding TTIP_n output pins, function as
the Transmit DS3/E3/STS-1 Line output signal drivers for a given channel, within
the XRT73R12.
Connect this signal and the corresponding TTIP_n output signal to a 1:1 trans-
former.
Whenever the Transmit Section of the Channel generates and transmits a positive-
polarity pulse onto the line, this output pin will be pulsed to a lower voltage than its
corresponding TTIP_n output pin.
Conversely, whenever the Transmit Section of the Channel generates and transmit
a negative-polarity pulse onto the line, this output pin will be pulsed to a higher
voltage than its corresponding TTIP_n output pin.
N
OTE
:
This output pin will be tri-stated whenever the TxON input pin or bit-field
is set to "0".
SYSTEM-SIDE TRANSMIT INPUT AND TRANSMIT CONTROL PINS
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT73R12IB | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT74L73 | 3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
| XRT74L73IB | 3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
| XRT74L74 | 4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
| XRT74L74IB | 4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT73R12_07 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73R12_0710 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73R12ES | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT73R12IB | 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 |
| XRT73R12IB-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 |
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