GENERAL DESCRIPTION
參數(shù)資料
型號(hào)： XRT73LC04AIV-F
廠商： Exar Corporation
文件頁數(shù)： 34/64頁
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 4CH 144LQFP
標(biāo)準(zhǔn)包裝： 60
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 4/4
規(guī)程： DS3，E3，STS-1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 144-LQFP
供應(yīng)商設(shè)備封裝： 144-LQFP（20x20）
包裝： 托盤
XRT73LC04A
I
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.2
TABLE OF CONTENTS
GENERAL DESCRIPTION ......................................................................................................... 1
FEATURES .................................................................................................................................................... 1
APPLICATIONS ......................................................................................................................................... 1
Figure 1.XRT73LC04A Block Diagram ............................................................................................................. 1
TYPICAL APPLICATIONS ................................................................................................................................. 2
Figure 2.MultiChannel ATM Application ............................................................................................................ 2
Figure 3.MultiService - Frame Relay Application .............................................................................................. 2
TRANSMIT INTERFACE CHARACTERISTICS: ..................................................................................................... 2
RECEIVE INTERFACE CHARACTERISTICS: ....................................................................................................... 2
Figure 4.Pin out of the XRT73LC04A in the 144 Pin TQFP package ............................................................... 3
ORDERING INFORMATION ....................................................................................................... 3
TABLE OF CONTENTS ....................................................................................................... I
PIN DESCRIPTIONS (BY FUNCTION) ......................................................................................... 4
TRANSMIT INTERFACE ................................................................................................................................... 4
RECEIVE INTERFACE ..................................................................................................................................... 6
CLOCK INTERFACE ........................................................................................................................................ 7
OPERATING MODE SELECT ........................................................................................................................... 8
CONTROL AND ALARM INTERFACE ................................................................................................................. 9
MICROPROCESSOR INTERFACE .................................................................................................................... 11
POWER AND GROUND PINS ......................................................................................................................... 13
NO CONNECTION PINS ................................................................................................................................ 14
ELECTRICAL CHARACTERISTICS ........................................................................................... 15
ABSOLUTE MAXIMUM RATINGS .................................................................................................................... 15
DC Electrical Characteristics .......................................................................................................... 15
AC Electrical Characteristics (See Figure 5) ........................................................................................................ 16
Terminal Side Timing Parameters (See Figure 6 and Figure 7) -- {(n) = 0, 1, 2 or 3 } ......................................... 16
Figure 5.Transmit Pulse Amplitude Test Circuit for E3, DS3 and STS-1 Rates (typical channel) .................. 17
Figure 6.Timing Diagram of the Transmit Terminal Input Interface ................................................................. 17
Figure 7.Timing Diagram of the Receive Terminal Output Interface ............................................................... 17
Line Side Parameters E3 Application ................................................................................................................... 18
Transmit Characteristics (see Figure 5) ............................................................................................................... 18
Line Side Parameters Sonet STS-1 Application ................................................................................................... 19
Transmit Characteristics (See Figure 5) ............................................................................................................... 19
Line Side Parameters DS3 Application ................................................................................................................ 20
Transmit Characteristics (see Figure 5) ............................................................................................................... 20
Figure 8.ITU-T G.703 Transmit Output Pulse Template for E3 Applications .................................................. 21
Figure 9.Bellcore GR-499-CORE Transmit Output Pulse Template for DS3 Applications ............................. 21
Figure 10.Bellcore GR-253-CORE Transmit Output Pulse Template for SONET STS-1 Applications ........... 22
Figure 11.Microprocessor Serial Interface Data Structure .............................................................................. 22
Microprocessor Serial Interface Timing (See Figure 12) ...................................................................................... 23
Figure 12.Timing Diagram for the Microprocessor Serial Interface ................................................................. 23
SYSTEM DESCRIPTION .................................................................................................. 24
THE TRANSMIT SECTION - CHANNELS 0, 1, 2, AND 3 .................................................................................... 24
THE RECEIVE SECTION - CHANNELS 0, 1, 2 AND 3 ....................................................................................... 24
THE MICROPROCESSOR SERIAL INTERFACE ................................................................................................. 24
Table 1:Role of Microprocessor Serial Interface pins when the XRT73LC04A is operating in the Hardware Mode
24
Figure 13.Functional Block Diagram of the XRT73LC04A .............................................................................. 25
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相關(guān)代理商/技術(shù)參數(shù)
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