GS12090-INE3 datasheet, PDF - EEWORLD Datasheet

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GS12090-INE3: DescriptionCONFIGURABLE 12G UHD-SDI RECLOCK; CategoryWireless rf/communication Telecom circuit; File Size4MB，120 Pages; ManufacturerSEMTECH; Websitehttp://www.semtech.com; Environmental Compliance

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GS12090-INE3 Overview

CONFIGURABLE 12G UHD-SDI RECLOCK

GS12090-INE3 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SEMTECH
Reach Compliance Code	compliant
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Telecom integrated circuit types	TELECOM CIRCUIT
Maximum time at peak reflow temperature	NOT SPECIFIED

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GS12090

Bidirectional 12G UHD-SDI Re-timing

Adaptive Cable Equalizer/Cable Driver

Key Features

•

Single bidirectional 75Ω cable interface with on-chip

termination

SMPTE ST 2082-1, ST 2081-1, ST 424, ST 292-1 and ST

259 compliant input/output

Multi-standard operation from 1Mb/s to 11.88Gb/s

Supports re-timing for DVB-ASI at 270Mb/s and MADI

at 125Mb/s

3D Input Signal Eye Monitor

PRBS Generator and Checker

Automatic cable equalization. Typical equalized cable

lengths of Belden 1694A cable:



60m at 11.88Gb/s



65m at 5.94Gb/s



160m at 2.97Gb/s



240m at 1.485Gb/s



400m at 270Mb/s

•

Trace Driver Features:



Integrated 100Ω, differential output termination



DC-coupling from 1.2V to 2.5V CML logic



Trace Driver data output pre-emphasis to

compensate for up to 20” FR4 at 11.88Gb/s



Manual or automatic Mute or Disable on LOS

•

CDR features:



Manual or automatic rate modes



Manual or automatic Re-timer Bypass



Wide-range Loop Bandwidth control



Re-timing at the following data rates: 125Mb/s,

270Mb/s, 1.485Gb/s, 2.97Gb/s, 5.94Gb/s, and

11.88Gb/s. This includes the f/1.001 rates.

•

Additional Features:



Single 1.8V power supply for analogue and digital

core



2.5V for Cable Driver output supply



1.2V, 1.8V, or 2.5V for Trace Driver output supply



GSPI serial control and monitoring interface



Four configurable GPIO pins for control or status

•

Cable Equalizer Mode Features:



Manual or automatic power-down on loss of signal



Programmable carrier detect with squelch

threshold adjustment



Manual and automatic Cable Equalizer bypass

monitoring



Wide operating temperature range: -40ºC to +85ºC



Small 6mm x 4mm 40-pin QFN



Pb-free/Halogen-free/RoHS & WEEE compliant

•

Cable Driver Mode Features:



Wide swing control



Pre-emphasis to compensate for significant

package



Pin compatible with the GS3590

insertion loss between device output and BNC



Manual or automatic power-down on loss of signal



Manual or automatic Mute or Disable on LOS

Applications

Next-generation 12G UHD-SDI infrastructures designed to

support UHDTV1, UHDTV2, 4K D-Cinema and 3D HFR and

HDR production image formats. Typical applications:

Cameras, Switchers, Distribution Amplifiers and Routers.

•

Trace Equalizer Features:



Integrated 100Ω, differential input termination



Manual or automatic power-down on loss of signal



Adjustable carrier detect threshold



DC-coupling from 1.2V to 2.5V CML logic



Trace Equalization to compensate for up to 20” FR4

at 11.88Gb/s



Automatic input offset compensation

GS12090

Final Data Sheet Rev.6

PDS-061188

September 2017

www.semtech.com

1 of 120

Semtech

Proprietary & Confidential

Revision History

Version

ECO

038491

037880

037328

036215

PCN

—

Date

September 2017

July 2017

June 2017

April 2017

Changes and/or Modifications

Updated values in

Table 2-2

and

Table 2-3

Added

Section 4.8.4.

Updated

Section 4.10.13,

and added

Section 4.10.12.

Updated Functional Block Diagram,

Table 2-2, Table 2-3,

Section 4.6, Section 4.8.5.1, Section 5.1, Section 5.2, Section 5.3,

Section 7.

Added

Section 4.2.3.1, Section 4.2.3.2

Updates as described in the GS12090 Errata (PDS-061439,

ECO-034371)

Changes throughout entire document.

New Document.

034023

031348

029599

—

December 2016

October 2016

March 2016

Contents

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

1.1 GS12090 Pin Assignment ................................................................................................................5

1.2 GS12090 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

GS12090

Final Data Sheet Rev.6

PDS-061188

September 2017

www.semtech.com

3 of 120

Semtech

Proprietary & Confidential

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

4.6.2 Matrix-Scan and Shape-Scan Operation ..................................................................... 36

4.7 PRBS Generator ................................................................................................................................ 43

4.8 Output Drivers .................................................................................................................................. 46

4.8.1 Bypassed Re-timer Signal Output Control ................................................................. 46

4.8.2 Output Driver Polarity Inversion.................................................................................... 46

4.8.3 PBRS Generator on SDIO and DDO ............................................................................... 47

4.8.4 Output Driver Data Rate Selection................................................................................ 47

4.8.5 Amplitude and Pre-Emphasis Control ......................................................................... 48

4.8.6 Trace Driver DC-Coupling Requirements ................................................................... 57

4.8.7 Output State Control Modes........................................................................................... 58

4.8.8 Output Waveform Specifications .................................................................................. 60

4.9 GPIO Controls .................................................................................................................................... 60

4.10 GSPI Host Interface ....................................................................................................................... 61

4.10.1 CS Pin..................................................................................................................................... 61

4.10.2 SDIN Pin................................................................................................................................ 61

4.10.3 SDOUT Pin ........................................................................................................................... 61

4.10.4 SCLK Pin................................................................................................................................ 63

4.10.5 Command Word 1 Description .................................................................................... 63

4.10.6 GSPI Transaction Timing ................................................................................................ 65

4.10.7 Single Read/Write Access............................................................................................... 67

4.10.8 Auto-increment Read/Write Access ........................................................................... 68

4.10.9 Setting a Device Unit Address...................................................................................... 69

4.10.10 Default GSPI Operation ................................................................................................ 70

4.10.11 Clear Sticky Counts Through Four Way Handshake .......................................... 71

4.10.12 Device Power-Up Sequence....................................................................................... 71

4.10.13 Host Initiated Device Reset......................................................................................... 72

5. Register Map................................................................................................................................................... 74

5.1 Control Registers ............................................................................................................................. 74

5.2 Status Registers ................................................................................................................................ 77

5.3 Register Descriptions ..................................................................................................................... 78

5.3.1 Control Register Descriptions ......................................................................................... 78

5.3.2 Status Register Descriptions..........................................................................................109

6. Application Information...........................................................................................................................116

6.1 Typical Application Circuit .........................................................................................................116

7. Package & Ordering Information ..........................................................................................................117

7.1 Package Dimensions ....................................................................................................................117

7.2 Recommended PCB Footprint ..................................................................................................118

7.3 Packaging Data ..............................................................................................................................118

7.4 Marking Diagram ...........................................................................................................................119

7.5 Solder Reflow Profiles ..................................................................................................................119

7.6 Ordering Information ...................................................................................................................119

GS12090

Final Data Sheet Rev.6

PDS-061188

September 2017

www.semtech.com

4 of 120

Semtech

Proprietary & Confidential

GS12090-INE3 Related Products

	GS12090-INE3	EBK-GS12090-00	GS12090-INTE3	GS12090-INTE3Z
Description	CONFIGURABLE 12G UHD-SDI RECLOCK	GS12090 BI-DIRECTION EVALUATION	BIDIRECTIONAL 12G UHD-SDI RETIMI	BIDIRECTIONAL 12G UHD-SDI RETIMI
Is it Rohs certified?	conform to	-	conform to	conform to
Maker	SEMTECH	-	SEMTECH	SEMTECH
Reach Compliance Code	compliant	-	compliant	compliant
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED
Telecom integrated circuit types	TELECOM CIRCUIT	-	TELECOM CIRCUIT	TELECOM CIRCUIT
Maximum time at peak reflow temperature	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED

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