参数资料
| 型号： | XRT75R03IVTR |
| 厂商： | Exar Corporation |
| 文件页数： | 34/92页 |
| 文件大小： | 0K |
| 描述： | IC LIU E3/DS3/STS-1 3CH 128LQFP |
| 标准包装： | 750 |
| 类型： | 线路接口装置（LIU） |
| 驱动器/接收器数： | 3/3 |
| 规程： | DS3，E3，STS-1 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 128-LQFP |
| 供应商设备封装： | 128-LQFP（14x20） |
| 包装： | 带卷 (TR) |
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XRT75R03
xr
REV. 1.0.8
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
I
GENERAL DESCRIPTION .................................................................................................1
FEATURES .........................................................................................................................1
APPLICATIONS................................................................................................................................................1
FIGURE 1. BLOCK DIAGRAM OF THE XRT 75R03.............................................................................................................................. 2
TRANSMIT INTERFACE CHARACTERISTICS ........................................................................................................2
RECEIVE INTERFACE CHARACTERISTICS ..........................................................................................................2
FIGURE 2. PIN OUT OF THE XRT75R03 ........................................................................................................................................... 3
ORDERING INFORMATION .....................................................................................................................3
PIN DESCRIPTIONS (BY FUNCTION) ..............................................................................4
SYSTEM-SIDE TRANSMIT INPUT AND TRANSMIT CONTROL PINS .......................................................................4
TRANSMIT LINE SIDE PINS ..............................................................................................................................8
SYSTEM-SIDE RECEIVE OUTPUT AND RECEIVE CONTROL PINS ......................................................................10
RECEIVE LINE SIDE PINS ..............................................................................................................................17
GENERAL CONTROL PINS .............................................................................................................................18
CONTROL AND ALARM INTERFACE.................................................................................................................20
JITTER ATTENUATOR INTERFACE...................................................................................................................20
POWER SUPPLY AND GROUND PINS .............................................................................................................22
XRT75R03 PIN LISTING IN NUMERICAL ORDER ............................................................................................24
1.0 R3 TECHNOLOGY (RECONFIGURABLE, RELAYLESS REDUNDANCY) ........................................29
1.1 NETWORK ARCHITECTURE ......................................................................................................................... 29
FIGURE 3. NETWORK REDUNDANCY ARCHITECTURE ...................................................................................................................... 29
1.2 POWER FAILURE PROTECTION .................................................................................................................. 29
1.3 SOFTWARE VS HARDWARE AUTOMATIC PROTECTION SWITCHING ................................................... 29
2.0 ELECTRICAL CHARACTERISTICS ....................................................................................................30
TABLE 1: ABSOLUTE MAXIMUM RATINGS......................................................................................................................................... 30
TABLE 2: DC ELECTRICAL CHARACTERISTICS: ................................................................................................................................ 30
3.0 TIMING CHARACTERISTICS ..............................................................................................................31
FIGURE 4. TYPICAL INTERFACE BETWEEN TERMINAL EQUIPMENT AND THE XRT75R03 (DUAL-RAIL DATA) .......................................... 31
FIGURE 5. TRANSMITTER TERMINAL INPUT TIMING .......................................................................................................................... 31
FIGURE 6. RECEIVER DATA OUTPUT AND CODE VIOLATION TIMING ................................................................................................... 32
FIGURE 7. TRANSMIT PULSE AMPLITUDE TEST CIRCUIT FOR E3, DS3 AND STS-1 RATES................................................................. 32
4.0 LINE SIDE CHARACTERISTICS: ........................................................................................................33
4.1 E3 LINE SIDE PARAMETERS: ...................................................................................................................... 33
FIGURE 8. PULSE MASK FOR E3 (34.368 MBITS/S) INTERFACE AS PER ITU-T G.703 ......................................................................... 33
TABLE 3: E3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS........................................................ 34
FIGURE 9. BELLCORE GR-253 CORE TRANSMIT OUTPUT PULSE TEMPLATE FOR SONET STS-1 APPLICATIONS............................. 35
TABLE 4: STS-1 PULSE MASK EQUATIONS ..................................................................................................................................... 35
TABLE 5: STS-1 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-253) .............................. 36
FIGURE 10. TRANSMIT OUPUT PULSE TEMPLATE FOR DS3 AS PER BELLCORE GR-499 ................................................................... 37
TABLE 6: DS3 PULSE MASK EQUATIONS ........................................................................................................................................ 37
TABLE 7: DS3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-499) ................................. 38
FIGURE 11. MICROPROCESSOR SERIAL INTERFACE STRUCTURE...................................................................................................... 38
FIGURE 12. TIMING DIAGRAM FOR THE MICROPROCESSOR SERIAL INTERFACE ................................................................................ 39
TABLE 8: MICROPROCESSOR SERIAL INTERFACE TIMINGS ( TA = 250C, VDD=3.3V± 5% AND LOAD = 10PF) .................................. 39
FUNCTIONAL DESCRIPTION: ........................................................................................40
5.0 THE TRANSMITTER SECTION: ..........................................................................................................40
FIGURE 13. SINGLE-RAIL OR NRZ DATA FORMAT (ENCODER AND DECODER ARE ENABLED) ............................................................ 40
FIGURE 14. DUAL-RAIL DATA FORMAT (ENCODER AND DECODER ARE DISABLED) ............................................................................. 40
5.1 TRANSMIT CLOCK: ....................................................................................................................................... 41
5.2 B3ZS/HDB3 ENCODER: ................................................................................................................................. 41
5.2.1 B3ZS ENCODING: ...................................................................................................................................................... 41
FIGURE 15. B3ZS ENCODING FORMAT ........................................................................................................................................... 41
5.2.2 HDB3 ENCODING:...................................................................................................................................................... 41
FIGURE 16. HDB3 ENCODING FORMAT .......................................................................................................................................... 41
5.3 TRANSMIT PULSE SHAPER: ........................................................................................................................ 42
5.3.1 GUIDELINES FOR USING TRANSMIT BUILD OUT CIRCUIT: ................................................................................. 42
5.3.2 INTERFACING TO THE LINE: .................................................................................................................................... 42
5.4 TRANSMIT DRIVE MONITOR: ....................................................................................................................... 43
FIGURE 17. TRANSMIT DRIVER MONITOR SET-UP. ........................................................................................................................... 43
5.5 TRANSMITTER SECTION ON/OFF: .............................................................................................................. 43
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRT75R03IVTR-F | 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 |
| XRT75R06 | 制造商:EXAR 制造商全称:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R06D | 制造商:EXAR 制造商全称:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
| XRT75R06DES | 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 |
| XRT75R06DIB | 功能描述:网络控制器与处理器 IC 6CH E3/DS3/STS1 LIU w/DeSynch RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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