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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 20/47頁 |
| 文件大小： | 377K |
| 代理商： | XRT83SL28IV |
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XRT83SL28
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
xr
REV. 1.0.0
18
1.7
In single rail mode, RPOS is the output of decoded AMI or HDB3 signals and RNEG is the LCV output. HDB3
data is defined as any block of 4 successive zeros replaced with OOOV or BOOV, so that two successive V
pulses are of opposite polarity to acheive zero DC offsey. If the HDB3 decoder is selected, the receive path
removes the V and B pulses so that the original data is output to RPOS.
1.8
ARAOS (Automatic Receive All Ones)
The XRT83SL28 has the ability to send an All Ones signal to RPOS if ARAOS is enabled in the appropriate
channel register. If ARAOS is enabled and an RLOS condition occurs, the Receiver outputs will generate a
single rail All Ones pattern. When RLOS clears, the All Ones pattern ends and the Receive path returns to
normal operation. For TAOS in the transmit direction, see the Transmit Section of this datasheet. A simplified
block diagram of the ATAOS function is shown in Figure 9.
HDB3 Decoder
1.9
The digital output data can be programmed to either single rail or dual rail formats. Figure 10 is a timing
diagram of a repeating "0011" pattern in single-rail mode. Figure 11 is a timing diagram of the same fixed
pattern in dual rail mode.
RPOS/RNEG/RCLK
F
IGURE
9. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
ARAOS F
UNCTION
F
IGURE
10. S
INGLE
R
AIL
M
ODE
W
ITH
A
F
IXED
R
EPEATING
"0011" P
ATTERN
RLOS
ARAOS
TAOS
RPOS
RNEG
Rx
RCLK
RPOS
0
0
0
1
1
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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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