參數(shù)資料
型號(hào)： XRT75L04IV
廠商： EXAR CORP
元件分類(lèi)： 數(shù)字傳輸電路
英文描述： FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
中文描述： DATACOM, PCM TRANSCEIVER, PQFP176
封裝： 24 X 24 MM, 1.40 MM HEIGHT, LQFP-176
文件頁(yè)數(shù)： 7/57頁(yè)
文件大小： 345K
代理商： XRT75L04IV
XRT75L04
5
REV. 1.0.4
FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
45
33
176
12
TPOS_0
TPOS_1
TPOS_2
TPOS_3
I
Transmit Positive Data Input - Channel 0
:
Transmit Positive Data Input - Channel 1
:
Transmit Positive Data Input - Channel 2
:
Transmit Positive Data Input - Channel 3
:
By default sampled on the falling edge of TxCLK
41
29
4
16
TTIP_0
TTIP_1
TTIP_2
TTIP_3
O
Transmit TTIP Output - Channel 0:
Transmit TTIP Output - Channel 1:
Transmit TTIP Output - Channel 2:
Transmit TTIP Output - Channel 3:
These pins along with TRING transmit bipolar signals to the line using a 1:1
transformer.
39
27
6
18
TRING_0
TRING_1
TRING_2
TRING_3
O
Transmit Ring Output - Channel 0:
Transmit Ring Output - Channel 1:
Transmit Ring Output - Channel 2:
Transmit Ring Output - Channel 3:
These pins along with TTIP transmit bipolar signals to the line using a 1:1 trans-
former.
50
47
171
174
TxLEV_0
TxLEV_1
TxLEV_2
TxLEV_3
I
Transmit Line Build-Out Enable/Disable Select - Channel 0:
Transmit Line Build-Out Enable/Disable Select - Channel 1:
Transmit Line Build-Out Enable/Disable Select - Channel 2:
Transmit Line Build-Out Enable/Disable Select - Channel 3:
These input pins are used to select the Transmit Line Build-Out circuit of Chan-
nel n.
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 XRT75L04 is configured to operate in either the DS3 or SONET STS-1
Modes.
b. The XRT75L04 is configured to operate in the Hardware Mode.
N
OTES
:
1.
These pins are internally pulled down.
2.
If the XRT75L04 is configured in HOST mode, these pins should be
tied to GND.
TRANSMIT INTERFACE
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT75L06D SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L06DIB SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L06IB SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R03D THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L04IV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4-Ch DS3, E3, STS-1 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
XRT75L04IVTR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 4CH E3/DS3/STS1 JITTER ATTENUATOR 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
XRT75L04IVTR-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
XRT75L06 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L06D 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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