參數(shù)資料
型號(hào)： XRT83SL28IV
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
中文描述： DATACOM, PCM TRANSCEIVER, PQFP144
封裝： 20 X 20 MM, 1.40 MM HEIGHT, TQFP-144
文件頁(yè)數(shù)： 23/47頁(yè)
文件大?。?/td> 377K
代理商： XRT83SL28IV
xr
REV. 1.0.0
XRT83SL28
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
21
N
OTE
:
VDD=3.3V ±5%, T
A
=25°C, Unless Otherwise Specified
2.2
HDB3 Encoder
In single rail mode, the LIU can encode the TPOS input signal to AMI or HDB3 data. If HDB3 encoding is
selected, any sequence with four or more consecutive zeros in the input will be replaced with 000V or B00V,
where "B" indicates a pulse conforming to the bipolar rule and "V" representing a pulse violating the rule. An
example of HDB3 encoding is shown in Table 4.
2.3
The XRT83SL28 LIU is ideal for multiplexer or mapper applications where the network data crosses multiple
timing domains. As the higher data rates are de-multiplexed to E1 data, stuffing bits are typically removed
which can leave gaps in the incoming data stream. The JA can be configured in the transmit path with a 32-Bit
or 64-Bit FIFO that is used to smooth the gapped clock into a steady E1 output. The maximum gap width the
JA in the Transmit path can tolerate is shown in Table 5.
Transmit Jitter Attenuator
N
OTE
:
If the LIU is used in a loop timing system, the JA should be configured in the receive path. See the Receive Section
of this datasheet.
T
ABLE
3: T
IMING
S
PECIFICATIONS
FOR
TCLK/TPOS/TNEG
P
ARAMETER
S
YMBOL
M
IN
T
YP
M
AX
U
NITS
TCLK Duty Cycle
T
CDU
30
50
70
%
Transmit Data Setup Time
T
SU
50
-
-
ns
Transmit Data Hold Time
T
HO
30
-
-
ns
TCLK Rise Time (10% to 90%)
TCLK
R
-
-
40
ns
TCLK Fall Time (90% to 10%)
TCLK
F
-
-
40
ns
T
ABLE
4: E
XAMPLES
OF
HDB3 E
NCODING
N
UMBER
OF
P
ULSES
B
EFORE
N
EXT
4 Z
EROS
Input
0000
HDB3 (Case 1)
Odd
000V
HDB3 (Case 2)
Even
B00V
T
ABLE
5: M
AXIMUM
G
AP
W
IDTH
FOR
M
ULTIPLEXER
/M
APPER
A
PPLICATIONS
FIFO D
EPTH
M
AXIMUM
G
AP
W
IDTH
32-Bit
20 UI
64-Bit
50 UI
相關(guān)PDF資料
PDF描述
XRT83SL30 SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SL30IV SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83VSH28 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH28IB 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH314 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83SL28IV-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
XRT83SL30 制造商:EXAR 制造商全稱:EXAR 功能描述:SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SL30ES 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 1 CHT1/E1 LIUSH 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
XRT83SL30IV 制造商:EXAR 制造商全稱:EXAR 功能描述:SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SL30IV-F 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
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