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參數(shù)資料
| 型號(hào)： | XRT83L34IVTR-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 27/99頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 QUAD 128TQFP |
| 標(biāo)準(zhǔn)包裝： | 750 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 4/4 |
| 規(guī)程： | T1，E1，J1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 128-LQFP |
| 供應(yīng)商設(shè)備封裝： | 128-TQFP（14x20） |
| 包裝： | 帶卷 (TR) |
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xr
XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR REV. 1.0.1
30
that transients will not trigger the RLOS to clear. Therefore, the RLOS will typically clear at a total cable
attenuation of -49dB. See Figure 9 for a simplified diagram.
RECEIVE HDB3/B8ZS DECODER
The Decoder function is available in both Hardware and Host modes on a per channel basis by controlling the
TNEG_n/CODES_n pin or the CODES_n interface bit. The decoder function is only active in single-rail Mode.
When selected, receive data in this mode will be decoded according to HDB3 rules for E1 and B8ZS for T1
systems. Bipolar violations that do not conform to the coding scheme will be reported as Line Code Violation at
the RNEG_n/LCV_n pin of each channel. The length of the LCV pulse is one RCLK cycle for each code
violation. In E1mode only, an excessive number of zeros in the receive data stream is also reported as an error
at the same output pin. If AMI decoding is selected in single rail mode, every bipolar violation in the receive
data stream will be reported as an error at the RNEG_n/LCV_n pin.
RECOVERED CLOCK (RCLK) SAMPLING EDGE
This feature is available in both Hardware and Host modes on a global basis. In Host mode, the sampling
edge of RCLK output can be changed through the interface control bit RCLKE. If a “1” is written in the RCLKE
interface bit, receive data output at RPOS_n/RDATA_n and RNEG_n/LCV_n are updated on the falling edge of
RCLK for all eight channels. Writing a “0” to the RCLKE register, updates the receive data on the rising edge of
RCLK. In Hardware mode the same feature is available under the control of the RCLKE pin.
JITTER ATTENUATOR
FIGURE 9. SIMPLIFIED DIAGRAM OF EXTENDED RLOS MODE (E1 ONLY)
FIGURE 10. RECEIVE CLOCK AND OUTPUT DATA TIMING
Norm alized up to +45dB Max
Declare LOS
Clear LOS
-9dB
+3dB
Clear LOS
Declare LOS
+3dB
-9dB
RCLK
R
RCLK
F
RCLK
RPOS
or
RNEG
R
DY
R
HO
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相關(guān)代理商/技術(shù)參數(shù) |
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| XRT83L38 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83L38_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83L38ES | 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 |
| XRT83L38ES-BG | 功能描述:界面開發(fā)工具 Eval System for XRT83L38 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XRT83L38IB | 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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