GS3590 datasheet(3/118 Pages) SEMTECH

3 / 118 page

GS3590

Final Data Sheet Rev.4



PDS-061414 September 2017

3 of 118

Semtech

Proprietary & Confidential

www.semtech.com

Revision History

Contents

1. Pin Out .................................................................................................................................................................5

1.1 GS3590 Pin Assignment ...................................................................................................................5

1.2 GS3590 Pin Descriptions ..................................................................................................................6

2. Electrical Characteristics................................................................................................................................9

2.1 Absolute Maximum Ratings ...........................................................................................................9

2.2 DC Electrical Characteristics ........................................................................................................ 10

2.3 AC Electrical Characteristics ......................................................................................................... 13

3. Input/Output Circuits.................................................................................................................................. 16

4. Detailed Description.................................................................................................................................... 18

4.1 Device Description .......................................................................................................................... 18

4.1.1 Bidirectional Mode Control.............................................................................................. 18

4.1.2 Sleep Mode............................................................................................................................ 18

4.2 Cable Equalizer ................................................................................................................................. 19

4.2.1 Cable Equalizer Bypass ...................................................................................................... 19

4.2.2 Upstream Launch Swing Compensation .................................................................... 20

4.2.3 Carrier Detect, Squelch Control, and Loss of Signal ............................................... 20

4.3 Trace Equalizer ................................................................................................................................. 23

4.3.1 Input Trace Equalization ................................................................................................... 23

4.3.2 CD (Carrier Detect) and LOS (Loss of Signal) ............................................................. 24

4.4 Serial Digital Re-timer (CDR) ........................................................................................................ 25

4.4.1 PLL Loop Bandwidth Control .......................................................................................... 26

4.4.2 Automatic and Manual Rate Detection....................................................................... 26

4.4.3 Lock Time ............................................................................................................................... 27

4.5 PRBS Checker .................................................................................................................................... 29

4.5.1 Timed PRBS Check Measurement Procedure............................................................ 29

4.5.2 Continuous PRBS Check Measurement Procedure................................................. 31

4.6 Eye Monitor ........................................................................................................................................ 33

4.6.1 Scan Matrix and Measurement Time............................................................................ 34

Version

ECO

PCN

Date

Changes and/or Modifications

038524

—

September 2017

Updated values in Table 2-2 and Table 2-3.

037845

—

July 2017

Added Section 4.8.4.

037327

—

June 2017

Updated Section 4.10.13, and added Section 4.10.12.

034374

—

December 2016

Updates as described in the GS3590 Errata (PDS-061458,

ECO-034375).

033713

—

October 2016

New Document.

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