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參數(shù)資料
| 型號： | XR-T5793 |
| 廠商： | Exar Corporation |
| 英文描述： | Quad E1 Line Interface Unit |
| 中文描述： | 四路E1線路接口單元 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 177K |
| 代理商： | XR-T5793 |
XR-T5793
5
Rev. 2.00
PIN DESCRIPTION (CONT’D)
PLCC
Pin #
27
SQFP
Pin #
21
Symbol
LPMOD4
Type
I
Description
Loop Mode 4.
If driven high the loopback mode of channel 4 will be set to re-
mote loop. Otherwise theloopback mode will remain at local loop. The
actualloopback will be activated when the LOOPEN4 is asserted.
28
22
LPMOD3
I
Loop Mode 3.
If driven high the loopback mode of channel 3 will be set to re-
mote loop. Otherwise the loopback mode will remain at local loop. The
actual loopback will be activated when the LOOPEN3 is asserted.
29
23
RXIN4
I
Receiver 4 Input.
Receiver 4 bipolar input connected to coupling capacitor or
pulse transformer.
Receiver 4 Loss of Signal.
Asserted during LOS condition. Clear otherwise.
30
24
LOS4
O
31
25
LOS3
O
Receiver 3 Loss of Signal.
Asserted during LOS condition. Clear otherwise.
32
26
RXIN3
I
Receiver 3 Input.
Receiver 3 bipolar input connected to coupling capacitor or
pulse transformer.
No Connect.
33
27
NC
34
28
NC
No Connect.
35
29, 30
RGND
GND
Receive Ground.
36
31
RGND
GND
Receive Ground.
37
32
NC
No Connect.
38
33
RXIN2
I
Receiver 2 Input.
Receiver 2 bipolar input connected to coupling capacitor or
pulse transformer.
Receiver 1 Loss of Signal.
Asserted during LOS condition. Clear otherwise.
39
34
LOS1
O
40
35
LOS2
O
Receiver 2 Loss of Signal.
Asserted during LOS condition. Clear otherwise.
41
36
RXIN1
I
Receiver 1 Input.
Receiver 1 bipolar input connected to coupling capacitor or
pulse transformer.
Loop Mode 2.
If driven high the loopback mode of channel 2 will be set to re-
mote loop. Otherwise the loopback mode will remain at local loop. The
actual loopback will be activated when the LOOPEN2 is asserted.
42
37
LPMOD2
I
43
38
LPMOD1
I
Loop Mode 1.
If driven high the loopback mode of channel 1 will be set to re-
mote loop. Otherwise the loopback mode will remain at local loop. The
actual loopback will be activated when the LOOPEN1 is asserted.
-
39, 40
NC
NC
No Connect.
44
41,42
RV
SS
RXNEG1
V
SS
O
Receive V
SS.
-5V (
Receiver 1 Negative Data Out.
Negative data output in NRZ or RZ format for
receiver 1.
Receiver 1 Positive Data Out.
Positive data output in NRZ or RZ format for
receiver 1.
Receiver 2 Negative Data Out.
Negative data output in NRZ or RZ format for
receiver 2.
Receiver 2 Positive Data Out.
Positive data output in NRZ or RZ format for
receiver 2.
Digital V
SS.
-5V (
5%).
E1/T1- Selection.
Apply logic one to select the receive data threshold
appropriate for E1 operation. Connect to ground to select the T1 data
threshold.
5%).
45
43
46
44
RXPOS1
O
47
45
RXNEG2
O
48
46
RXPOS2
O
49
47
V
SS
E1/T1-
V
SS
I
50
48
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT5793ES-TQFP | 功能描述:外圍驅(qū)動器與原件 - PCI 4 CH E1 AFE 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 |
| XR-T5793IJ | 制造商:EXAR 制造商全稱:EXAR 功能描述:Quad E1 Line Interface Unit |
| XRT5793IJ-F | 功能描述:外圍驅(qū)動器與原件 - PCI Quad E1 LIU 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 |
| XRT5793IV | 功能描述:外圍驅(qū)動器與原件 - PCI Quad E1 LIU 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 |
| XR-T5793IV | 制造商:EXAR 制造商全稱:EXAR 功能描述:Quad E1 Line Interface Unit |
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