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参数资料
型号： XRT71D04IV
厂商： Exar Corporation
文件页数： 16/22页
文件大小： 0K
描述： IC JITTER ATTENUATOR 4CH 80TQFP
标准包装： 94
类型： *
PLL： 是
输入： 时钟
输出： 时钟
电路数： 1
比率 - 输入:输出： 4:3
差分 - 输入:输出： 无/无
频率 - 最大： 44.736MHz
除法器/乘法器： 无/无
电源电压： 3.135 V ~ 5.25 V
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 80-LQFP
供应商设备封装： 80-TQFP（14x14）
包装： 托盘
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XRT71D04
4 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR STS-1 TO DS3 DESYNCHRONIZER
REV. 1.1.1
I
TABLE OF CONTENTS
GENERAL DESCRIPTION .................................................................................................. 1
FEATURES ................................................................................................................................................... 1
APPLICATIONS ............................................................................................................................................. 1
Figure 1. Block Diagram (one channel) ................................................................................................. 1
Figure 2. Pin Out of the XRT71D04 ........................................................................................................ 2
ORDERING INFORMATION ..................................................................................................................... 2
TABLE OF CONTENTS...................................................................................................................................... I
PIN DESCRIPTIONS ........................................................................................................... 3
ELECTRICAL CHARACTERISTICS ................................................................................... 9
Figure 3. Input/Output Timing ................................................................................................................ 9
Figure 4. Timing Diagram for the Microprocessor Serial Interface .................................................. 10
SYSTEM DESCRIPTION ................................................................................................... 12
Figure 5. A typical Channel_n of the XRT71D04 configured to operate in the Hardware Mode . 12
Figure 6. A typical Channel_n of the XRT71D04 configured to operate in the Host Mode ........... 13
1.0 Jitter Attenuator PLL .............................................................................................................................. 13
1.1 BACKGROUND INFORMATION ...................................................................................................................................... 13
1.1.1 Definition of Jitter ..........................................................................................................................................13
1.1.2 SONET STS-1 to DS3 Mapping ....................................................................................................................13
1.2 JITTER TRANSFER CHARACTERISTICS......................................................................................................................... 13
Figure 7. Category 1 DS3 Jitter Transfer Mask .................................................................................. 14
1.2.1 Jitter Tolerance ............................................................................................................................................. 14
1.2.2 Jitter Generation............................................................................................................................................ 14
1.2.3 Jitter Attenuation ........................................................................................................................................... 14
1.2.4 SONET STS-1 DS3 Mapping ....................................................................................................................... 14
Figure 8. XRT71D04 Desynchronizer Block Diagram ........................................................................ 15
1.3 XRT71DO4 JITTER TRANSFER CHARACTERISTICS...................................................................................................... 16
TABLE 1: XRT71D04 JITTER TRANSFER FUNCTION .................................................................................. 16
TABLE 2: XRT71D04 MAXIMUM JITTER TOLERANCE ................................................................................. 17
2.0 Operating Modes .................................................................................................................................... 17
2.1 HARDWARE MODE .....................................................................................................................................................17
TABLE 3: FUNCTIONS OF DUAL MODE PINS IN HARDWARE MODE CONFIGURATION ..................................... 17
2.2 HOST MODE:............................................................................................................................................................ 17
TABLE 4: ADDRESS AND BIT FORMATS OF THE COMMAND REGISTERS ...................................................... 18
3.0 Microprocessor Serial Interface ............................................................................................................ 18
3.1 SERIAL INTERFACE OPERATION.................................................................................................................................. 18
3.1.1 Bit 1—R/W (Read/Write) Bit ..........................................................................................................................18
3.1.2 Bits 2 through 6—A0, A1, A2 ,A3, and A4 .................................................................................................... 18
3.1.3 Bit 7—A5 ....................................................................................................................................................... 18
3.1.4 Bit 8—A6 ....................................................................................................................................................... 18
3.1.5 Read Operation ............................................................................................................................................. 18
3.1.6 Write Operation ............................................................................................................................................. 18
Figure 9. Microprocessor Serial Interface Data Structure ................................................................. 19
3.1.7 Simplified Interface Option ............................................................................................................................ 19
Figure 10. Timing Diagram for the Microprocessor Serial Interface ................................................ 19
ORDERING INFORMATION ............................................................................................. 20
PACKAGE DIMENSIONS ................................................................................................. 20
REVISION HISTORY ..................................................................................................................................... 21
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XRT71D04IVTR 功能描述:时钟合成器/抖动清除器 4CH E3/DS3/STS1 JIT ATTEN DE-SYNCH 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
XRT7250 制造商:EXAR 制造商全称:EXAR 功能描述:DS3/E3 FRAMER IC
XRT7250ES-PCI 功能描述:界面开发工具 Evaluation Board for XRT7250 Series RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V
XRT7250IQ100 制造商:EXAR 制造商全称:EXAR 功能描述:DS3/E3 FRAMER IC
XRT7288 制造商:EXAR 制造商全称:EXAR 功能描述:CEPT1 Line Interface
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