GS2965 Multi-Rate SDI Reclocker with Equalization &

De-emphasis

Data Sheet

52462 - 4

July 2012

3 of 41

Proprietary & Confidential

Contents

1. Pin Out ............................................................................................................................................4

1.1 Pin Assignment ................................................................................................................4

1.2 Pin Descriptions ...............................................................................................................5

1.3 Default Start-up Settings ...............................................................................................7

2. Electrical Characteristics ..........................................................................................................8

2.1 Absolute Maximum Ratings .........................................................................................8

2.2 DC Electrical Characteristics .......................................................................................8

2.3 AC Electrical Characteristics .......................................................................................9

3. Input/Output Circuits ............................................................................................................. 12

4. Detailed Description................................................................................................................ 15

4.1 Serial Data Input ........................................................................................................... 15

4.2 Modes of Operation ..................................................................................................... 15

4.3 Input Trace Equalization ............................................................................................ 15

4.4 2:1 Input Mux ................................................................................................................ 16

4.5 Crystal Buffer ................................................................................................................. 17

4.6 LOS (Loss Of Signal) Detection ................................................................................. 17

4.7 Serial Digital Reclocker .............................................................................................. 18

4.8 Lock Detection ............................................................................................................... 18

4.8.1 Lock Detect and Asynchronous Lock ......................................................... 19

4.9 Serial Data Output ........................................................................................................ 19

4.9.1 Output Signal Interface Levels...................................................................... 19

4.9.2 Adjustable Output Swing................................................................................ 19

4.9.3 Output De-emphasis ........................................................................................ 20

4.10 Automatic and Manual Data Rate Selection ..................................................... 21

4.11 SD/HD Indication ....................................................................................................... 21

4.12 Bypass Mode ................................................................................................................ 22

4.13 DVB-ASI ........................................................................................................................ 22

4.14 Output Mute and Data/Clock Output Selection .............................................. 22

4.15 Host Interface .............................................................................................................. 23

4.15.1 Introduction...................................................................................................... 23

4.15.2 Legacy Mode & Start-up ............................................................................... 23

4.15.3 Host Interface Mode & Start-up.................................................................. 23

4.15.4 Clock & Data Timing ...................................................................................... 24

4.15.5 Single Device Operation............................................................................... 24

4.15.6 Write Operation - Single Device................................................................ 25

4.15.7 Read Operation - Single Device ................................................................. 26

4.15.8 Daisy Chain Operation.................................................................................. 27

4.15.9 Read & Write Operation - Daisy Chained Devices .............................. 29

4.15.10 Writing to all Devices.................................................................................. 29

4.15.11 Writing to a Single Device in the Chain ................................................ 30