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參數(shù)資料
| 型號(hào)： | XRT75R12IB-L |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 78/90頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU E3/DS3/STS-1 12CH 420TBGA |
| 標(biāo)準(zhǔn)包裝： | 40 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 12/12 |
| 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： | 420-LBGA 裸露焊盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 420-TBGA（35x35） |
| 包裝： | 托盤(pán) |
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XRT75R12
5
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.4
C23
AD23
D19
AC19
D15
AC15
E11
AB11
E8
AB8
C4
AD4
MTip0
MTip1
MTip2
MTip3
MTip4
MTip5
MTip6
MTip7
MTip8
MTip9
MTip10
MTip11
I
Monitor Tip Input - Positive Polarity Signal
These input pins along with MRing_n function as the Transmit Drive Moni-
tor Output (DMO) input monitoring pins. (1) To monitor the Transmit Out-
put line signal and (2) to perform this monitoring externally, then this pin
MUST be connected to the corresponding TTIP_n output pin via a 270
series resistor. Similarly, the MRING_n input pin MUST also be connected
to its corresponding TRING_n output pin via a 270
series resistor.
The MTIP_n and MRING_n input pins will continuously monitor the Trans-
mit Output line signal via the TTIP_n and TRING_n output pins for bipolar
activity. If these pins do not detect any bipolar activity for 128 bit periods,
then the Transmit Drive Monitor circuit will drive the corresponding DMO_n
output pin "High" in order to denote a possible fault condition in the Trans-
mit Output Line signal path.
NOTE:
These input pins are inactive if the user chooses to internally
monitor the Transmit Output line signal.
D23
AC23
E19
AB19
E16
AB16
D10
AC10
D8
AC8
D4
AC4
MRing0
MRing1
MRing2
MRing3
MRing4
MRing5
MRing6
MRing7
MRing8
MRing9
MRing10
MRing11
I
Monitor Ring Input
These input pins along with MTIP_n function as the Transmit Drive Monitor
Output (DMO) input monitoring pins. (1) To monitor the Transmit Output
line signal and (2) to perform this monitoring externally, then this input pin
MUST be connected to the corresponding TRING_n output pin via a 270
series resistor. Similarly, the MTIP_n input pin MUST be connected to its
corresponding TTIP_n output pin via a 270
series resistor.
The MTIP_n and MRING_n input pins will continuously monitor the Trans-
mit Output line signal via the TTIP_n and TRING_n output pins for bipolar
activity. If these pins do not detect any bipolar activity for 128 bit periods,
then the Transmit Drive Monitor circuit will drive the corresponding DMO_n
output pin "High" to indicate a possible fault condition in the Transmit Out-
put Line signal path.
NOTE:
These input pins are inactive if the user chooses to internally
monitor the Transmit Output line signal.
N3
N4
N5
N1
M1
L2
M2
M3
M4
M5
K2
J1
DMO0
DMO1
DMO2
DMO3
DMO4
DMO5
DMO6
DMO7
DMO8
DMO9
DMO10
DMO11
O
Drive Monitor Output
These output signals are used to indicate a fault condition within the Trans-
mit Output signal path.
This output pin will toggle "High" anytime the Transmit Drive Monitor cir-
cuitry either, via the corresponding MTIP and MRING input pins or inter-
nally, detects no bipolar pulses via the Transmit Output line signal (e.g., via
the TTIP_m and TRING_m output pins) for 128 bit-periods.
This output pin will be driven "Low" anytime the Transmit Drive Monitor cir-
cuitry has detected at least one bipolar pulse via the Transmit Output line
signal within the last 128 bit periods.
SYSTEM-SIDE TRANSMIT INPUT AND TRANSMIT CONTROL PINS
PIN #
SIGNAL NAME
TYPE
DESCRIPTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT75VL00DIV | IC LIU E3/DS3/STS-1 1CH 52TQFP |
| XRT75VL00IV-F | IC LIU E3/DS3/STS-1 1CH 52TQFP |
| XRT79L71IB-F | IC LIU/FRAMER DS3/E3 1CH 208BGA |
| XRT81L27IV-F | IC LIU EI 7CH 3.3V 128TQFP |
| XRT82D20IW-F | IC LIU E1 SGL 28SOJ |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT75VL00 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00_08 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00D | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
| XRT75VL00D_08 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET |
| XRT75VL00D1V-F | 制造商:Exar Corporation 功能描述: |
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