Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

XRT81L27IV Datasheet(PDF) 4 Page - Exar Corporation

Part # XRT81L27IV
Description  SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
Download  30 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT81L27IV Datasheet(HTML) 4 Page - Exar Corporation

  XRT81L27IV Datasheet HTML 1Page - Exar Corporation XRT81L27IV Datasheet HTML 2Page - Exar Corporation XRT81L27IV Datasheet HTML 3Page - Exar Corporation XRT81L27IV Datasheet HTML 4Page - Exar Corporation XRT81L27IV Datasheet HTML 5Page - Exar Corporation XRT81L27IV Datasheet HTML 6Page - Exar Corporation XRT81L27IV Datasheet HTML 7Page - Exar Corporation XRT81L27IV Datasheet HTML 8Page - Exar Corporation XRT81L27IV Datasheet HTML 9Page - Exar Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 30 page
background image
XRT81L27
áç
áç
áç
áç
SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
REV. 1.1.0
II
RAOS[6:0] (ADDRESS 0101) ...................................................................................................................... 18
PDTX[6:0] (ADDRESS 0110) ....................................................................................................................... 18
2.0 The transmit section ............................................................................................................................... 19
2.1 THE TRANSMIT LOGIC BLOCK. ............................................................................................................... 19
Figure 7. The Interface for the Transmission of Data From the Transmitting Terminal Equipment
to the Transmit Section of the XRT81L27 ......................................................................... 19
2.1.1 Dual-rail input mode .................................................................................................................. 19
Figure 8. Dual Rail Data from the Terminal .................................................................................... 19
2.1.2 Single-rail input mode ............................................................................................................... 19
Figure 9. Single-Rail Data From the Terminal ............................................................................... 20
2.1.3 TClk input .................................................................................................................................. 20
2.2 THE ENCODER BLOCK ........................................................................................................................... 20
2.2.1 HDB3 Encoding ......................................................................................................................... 20
Figure 10. HDB3 Encoding .............................................................................................................. 20
2.3 THE MUX BLOCK .................................................................................................................................. 20
2.3.1 Timing Control Block ................................................................................................................. 21
2.3.2 The Transmit Clock Duty Cycle Adjust Circuit .......................................................................... 21
2.3.3 Transmit All Ones ...................................................................................................................... 21
2.4 THE PULSE SHAPING CIRCUIT ............................................................................................................... 21
Figure 11. ITU-T G.703 Pulse Template .......................................................................................... 22
2.5 THE LINE DRIVER BLOCK ...................................................................................................................... 22
2.6 INTERFACING THE TRANSMIT SECTIONS OF THE XRT81L27 TO THE LINE ............................................... 22
Figure 12. Illustration of how to interface the Transmit Sections of the XRT81L27 to the Line (for
75 or 120W Applications) ................................................................................................... 23
3.0 The Receive Section ............................................................................................................................... 23
3.1 INTERFACING THE RECEIVE SECTIONS TO THE LINE ............................................................................... 23
Figure 13. Schematic for Interfacing the Receive Sections of the XRT81L27 to the Line for 75W
(Transformer-Coupled) Applications ................................................................................ 24
Figure 14. Schematic for Interfacing the Receive Sections of the XRT81L27 to the Line for 120W
(Transformer-Coupled) Applications ................................................................................ 24
3.2 CAPACITIVE-COUPLING THE RECEIVER TO THE LINE ............................................................................... 25
Figure 15. Capacitive - Coupled Receive Sections of the XRT81L27 to the Line (for Balanced
120W Applications) ............................................................................................................. 25
3.3 THE RECEIVE EQUALIZER BOCK ............................................................................................................ 25
3.4 THE PEAK DETECTOR AND SLICER BLOCK ............................................................................................. 26
3.5 THE LOS DETECTOR BLOCK ................................................................................................................. 26
Figure 16. Package Outline Drawing .............................................................................................. 27
REVISIONS ................................................................................................................................................. 28


Similar Part No. - XRT81L27IV

ManufacturerPart #DatasheetDescription
logo
Exar Corporation
XRT8000 EXAR-XRT8000 Datasheet
1Mb / 24P
   CLOCK SYNCHRONIZER/ADAPTER FOR COMMUNICATIONS
XRT8000 EXAR-XRT8000 Datasheet
611Kb / 24P
   Clock Synchronizer/Adapter for Communications
XRT8000D EXAR-XRT8000D Datasheet
1Mb / 24P
   CLOCK SYNCHRONIZER/ADAPTER FOR COMMUNICATIONS
XRT8000ID EXAR-XRT8000ID Datasheet
611Kb / 24P
   Clock Synchronizer/Adapter for Communications
XRT8000IP EXAR-XRT8000IP Datasheet
1Mb / 24P
   CLOCK SYNCHRONIZER/ADAPTER FOR COMMUNICATIONS
More results

Similar Description - XRT81L27IV

ManufacturerPart #DatasheetDescription
logo
Exar Corporation
XRT5997 EXAR-XRT5997 Datasheet
257Kb / 37P
   Seven-Channel E1 Line Interface Unit
XRT5897 EXAR-XRT5897 Datasheet
638Kb / 21P
   Seven-Channel E1 Line Interface
XRT82D20 EXAR-XRT82D20 Datasheet
206Kb / 27P
   SINGLE CHANNEL E1 LINE INTERFACE UNIT
XRT82D20 EXAR-XRT82D20_06 Datasheet
411Kb / 24P
   SINGLE CHANNEL E1 LINE INTERFACE UNIT
logo
Cirrus Logic
CS61318 CIRRUS-CS61318 Datasheet
442Kb / 28P
   E1 LINE INTERFACE UNIT
logo
Exar Corporation
XRT59L921 EXAR-XRT59L921 Datasheet
770Kb / 32P
   TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
logo
Intel Corporation
LXT381II INTEL-LXT381II Datasheet
226Kb / 36P
   Octal E1 Line Interface Unit
logo
Cirrus Logic
CS61880 CIRRUS-CS61880 Datasheet
791Kb / 70P
   OCTAL E1 LINE INTERFACE UNIT
logo
Exar Corporation
XR-T5793 EXAR-XR-T5793 Datasheet
164Kb / 16P
   Quad E1 Line Interface Unit
XRT83SL216 EXAR-XRT83SL216_06 Datasheet
871Kb / 42P
   16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.NET
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com