參數(shù)資料
型號(hào)： XRT75L02IV
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
中文描述： DATACOM, PCM TRANSCEIVER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, QFP-100
文件頁(yè)數(shù)： 7/50頁(yè)
文件大?。?/td> 343K
代理商： XRT75L02IV
XRT75L02
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
xr
REV. 1.0.3
5
30
TxClkINV/
SClk
I
Hardware Mode: Transmit Clock Invert
Host Mode: Serial Clock Input:
Function of this pin depends on whether the XRT75L02 is configured to operate
in Hardware mode or Host mode.
In Hardware mode, setting this input pin “High” configures all the Transmitters
to sample the TPOS_n and TNEG_n data on the rising edge of the TxClk_n .
N
OTES
:
1.
If the XRT75L02 is configured in HOST mode, this pin functions as
SClk input pin (please refer to the pin description for Microprocessor
interface).
82
TxMON
I
Transmitter Monitor:
When this pin is pulled “High”, MTIP and MRING are connected internally to
TTIP and TRING and allows self monitoring of the transmitter.
74
52
TxLEV_0
TxLEV_1
I
Transmit Line Build-Out Enable/Disable Select - Channel 0:
Transmit Line Build-Out Enable/Disable Select - Channel 1:
These input pins select the Transmit Line Build-Out circuit.
Setting these pins to "High" disables the Line Build-Out circuit of Channel n. In
this mode, Channel n outputs partially-shaped pulses onto the line via the
TTIP_n and TRing_n output pins.
Setting these pins to "Low" enables the Line Build-Out circuit of Channel n. In
this mode, Channel n outputs shaped pulses onto the line via the TTIP_n and
TRing_n output pins.
To comply with the Isolated DSX-3/STSX-1 Pulse Template Requirements per
Bellcore GR-499-CORE or Bellcore GR-253-CORE:
1. Set these pins to "1" if the cable length between the Cross-Connect and the
transmit output of Channel is greater than 225 feet.
2. Set these pins to "0" if the cable length between the Cross-Connect and the
transmit output of Channel is less than 225 feet.
These pins are active only if the following two conditions are true:
a. The XRT75L02 is configured to operate in either the DS3 or SONET STS-1
Modes.
b. The XRT75L02 is configured to operate in the Hardware Mode.
N
OTES
:
1.
2.
These pins are internally pulled down.
If the XRT75L02 is configured in HOST mode, these pins should be
tied to GND.
75
51
TAOS_0
TAOS_1
I
Transmit All Ones Select - Channel 0:
Transmit All Ones Select - Channel 1:
A “High" on this pin causes the Transmitter Section of Channel_n to generate
and transmit a continuous AMI all “1’s” pattern onto the line. The frequency of
this “1’s” pattern is determined by TxClk_n.
N
OTES
:
1.
This input pin is ignored if the XRT75L02 is operating in the HOST
Mode and should be tied to GND.
2.
Analog Loopback and Remote Loopback have priority over request.
3.
This pin is internally pulled down.
TRANSMIT INTERFACE
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT75L03D THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04D FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04DIV FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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XRT75L04IV FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L02IV-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 2-Ch DS3, E3, STS-1 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
XRT75L02IVTR-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
XRT75L03 制造商:EXAR 制造商全稱:EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L03D 制造商:EXAR 制造商全稱:EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L03DES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3 CH T3/E3/STS1 LIU+DESYNCH3.3V 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
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