参数资料
| 型号： | XRT83SL314IB |
| 厂商： | Exar Corporation |
| 文件页数： | 35/83页 |
| 文件大小： | 0K |
| 描述： | IC LIU SH T1/E1/J1 14CH 304TBGA |
| 标准包装： | 27 |
| 类型： | 线路接口装置（LIU） |
| 驱动器/接收器数： | 14/14 |
| 规程： | T1，E1，J1 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 304-LBGA |
| 供应商设备封装： | 304-TBGA（31x31） |
| 包装： | 托盘 |
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XRT83SL314
xr
REV. 1.0.1
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
37
4.3
Transmit Jitter Attenuator
The XRT83SL314 LIU is ideal for multiplexer or mapper applications where the network data crosses multiple
timing domains. As the higher data rates are de-multiplexed down to T1 or E1 data, stuffing bits are typically
removed which can leave gaps in the incoming data stream.
The transmit path has a dedicated jitter
attenuator with a 32-Bit or 64-Bit FIFO that is used to smooth the gapped clock into a steady T1 or E1 output.
The maximum gap width of the 14-Channel LIU is shown in Table 11.
NOTE: If the LIU is used in a loop timing system, the receive path has a dedicated jitter attenuator. See the Receive
Section of this datasheet.
4.4
TAOS (Transmit All Ones)
The XRT83SL314 has the ability to transmit all ones on a per channel basis by programming the appropriate
channel register. This function takes priority over the digital data present on the TPOS/TNEG inputs. For
example: If a fixed "0011" pattern is present on TPOS in single rail mode and TAOS is enabled, the transmitter
will output all ones. In addition, if digital or dual loopback is selected, the data on the RPOS output will be
equal to the data on the TPOS input. Figure 32 is a diagram showing the all ones signal at TTIP and TRING.
FIGURE 32. TAOS (TRANSMIT ALL ONES)
4.5
Transmit Diagnostic Features
In addition to TAOS, the XRT83SL314 offers multiple diagnostic features for analyzing network integrity such
as ATAOS, Network Loop Code generation, and QRSS on a per channel basis by programming the
appropriate registers. These diagnostic features take priority over the digital data present on TPOS/TNEG
inputs. The transmitters will send the diagnostic code to the line and will be maintained in the digital loopback
if selected. When the LIU is responsible for sending diagnostic patterns, the LIU is automatically placed in the
single rail mode.
TABLE 11: MAXIMUM GAP WIDTH FOR MULTIPLEXER/MAPPER APPLICATIONS
FIFO DEPTH
MAXIMUM GAP WIDTH
32-Bit
20 UI
64-Bit
50 UI
TAOS
11
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRT83SL314IB-F | 功能描述:LIN 收发器 RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| XRT83SL314IB-L | 功能描述:LIN 收发器 14 channel, SH T1/E1 LIU RoHS:否 制造商:NXP Semiconductors 工作电源电压: 电源电流: 最大工作温度: 封装 / 箱体:SO-8 |
| XRT83SL34 | 制造商:EXAR 制造商全称:EXAR 功能描述:QUAD T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83SL34ES | 功能描述:外围驱动器与原件 - PCI 4 CHT1/E1 LIUSH RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| XRT83SL34IV | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
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