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參數(shù)資料
| 型號(hào)： | XRT83VSH38IB |
| 廠商： | EXAR CORP |
| 元件分類(lèi)： | 數(shù)字傳輸電路 |
| 英文描述： | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PBGA225 |
| 封裝： | 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-225 |
| 文件頁(yè)數(shù)： | 28/76頁(yè) |
| 文件大?。?/td> | 722K |
| 代理商： | XRT83VSH38IB |
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XRT83VSH38
25
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
Bit window. In T1 mode, the bandwidth of the JA is always set to 3Hz. In E1 mode, the bandwidth is
programmable to either 10Hz or 1.5Hz (1.5Hz automatically selects the 64-Bit FIFO depth). The JA has a
clock delay equal to of the FIFO bit depth.
N
OTE
:
If the LIU is used in a multiplexer/mapper application where stuffing bits are typically removed, the transmit path has
a dedicated jitter attenuator to smooth out the gapped clock. See the Transmit Section of this datasheet.
3.4
HDB3/B8ZS Decoder
In single rail mode, RPOS can decode AMI or HDB3/B8ZS signals. For E1 mode, HDB3 is defined as any
block of 4 successive zeros replaced with 000V or B00V, so that two successive V pulses are of opposite
polarity to prevent a DC component. In T1 mode, 8 successive zeros are replaced with OOOVBOVB. If the
HDB3/B8ZS decoder is selected, the receive path removes the V and B pulses so that the original data is
output to RPOS.
3.5
RPOS/RNEG/RCLK
The digital output data can be programmed to either single rail or dual rail formats.
Figure 12
is a timing
diagram of a repeating "0011" pattern in single-rail mode.
Figure 13
is a timing diagram of the same fixed
pattern in dual rail mode.
F
IGURE
12. S
INGLE
R
AIL
M
ODE
W
ITH
A
F
IXED
R
EPEATING
"0011" P
ATTERN
F
IGURE
13. D
UAL
R
AIL
M
ODE
W
ITH
A
F
IXED
R
EPEATING
"0011" P
ATTERN
RCLK
RPOS
0
0
0
1
1
RCLK
RPOS
0
0
0
1
1
RNEG
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT84L14 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L18 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38_06 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38IB | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83VSH38IB-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 8 Channel Short-Haul 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 |
| XRT83VSH38IB-F | 制造商:Exar Corporation 功能描述:T1/E1 LIU IC |
| XRT84L38 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:OCTAL T1/E1/J1 FRAMER |
| XRT84L38_06 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:OCTAL T1/E1/J1 FRAMER |
| XRT84L38IB | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 8 Ch T1/E1 Framer 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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