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PDF GS1575B Data sheet ( Hoja de datos )
| Número de pieza | GS1575B | |
| Descripción | Multi-Rate SDI Automatic Reclocker | |
| Fabricantes | GENNUM | |
| Logotipo |  |
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GS1575B / GS9075B HD-LINX® II Multi-Rate SDI Automatic Reclocker
Features
GS1575B
• SMPTE 292M, 259M and 344M compliant
• Supports data rates of 143, 177, 270, 360, 540, 1483.5, 1485
Mb/s
• Supports DVB-ASI at 270Mb/s
• Pb-free and RoHS Compliant
• Auto and Manual Modes for rate selection
• Standards indication in Auto Mode
• 4:1 input multiplexer
• Loss of Signal (LOS) Output
• Lock Detect Output
• On-chip Input and Output Termination
• Differential 50Ω inputs and outputs
• Mute, Bypass and Autobypass functions
• SD/HD indication output to control GS1528A Dual Slew-Rate
Cable Driver
• Single 3.3V power supply
• Operating temperature range: 0°C to 70°C
GS9075B
• SMPTE 259M and 344M compliant
• Supports data rates of 143, 177, 270, 360, and 540Mb/s
• Supports DVB-ASI at 270Mb/s
• Pb-free and RoHS Compliant
• Auto and Manual Modes for rate selection
• Standards indication in Auto Mode
• 4:1 input multiplexer
• Loss of Signal (LOS) Output
• Lock Detect Output
• On-chip Input and Output Termination
• Differential 50Ω inputs and outputs
• Mute, Bypass and Autobypass functions
• Single 3.3V power supply
• Operating temperature range: 0°C to 70°C
Applications
GS1575B
• SMPTE 292M, SMPTE 259M and SMPTE 344M Serial Digital
Interfaces
GS9075B
• SMPTE 259M and SMPTE 344M Serial Digital Interfaces.
Description
The GS1575B/9075B is a Multi-Rate Serial Digital Reclocker
designed to automatically recover the embedded clock
from a digital video signal and re-time the incoming video
data.
The GS1575B Serial Digital Reclocker will recover the
embedded clock signal and re-time the data from a SMPTE
292M, SMPTE 259M or SMPTE 344M compliant digital
video signal.
The GS9075B Serial Digital Reclocker will recover the
embedded clock signal and re-time the data from a SMPTE
259M or SMPTE 344M compliant digital video signal.
The GS1575B/9075B removes the high frequency jitter
components from the bit-serial stream. Input termination is
on-chip for seamless matching to 50Ω transmission lines.
An LVPECL compliant output interfaces seamlessly to the
GS1578A/GS9078A Cable Driver.
The GS1575B/9075B can operate in either auto or manual
rate selection mode. In Auto mode the device will
automatically detect and lock onto incoming SMPTE SDI
data signals at any supported rate. For single rate data
systems, the GS1575B/9075B can be configured to operate
in Manual mode. In both modes, the device requires only
one external crystal to set the VCO frequency when not
locked and provides adjustment free operation.
In systems which require passing of non-SMPTE data rates,
the GS1575B/9075B can be configured to either
automatically or manually enter a bypass mode in order to
pass the signal without reclocking.
The ASI/177 input pin allows for manual selection of
support of either 177Mb/s or DVB-ASI inputs.
The GS1575B/9075B is Pb-free, and the encapsulation
compound does not contain halogenated flame retardant.
This component and all homogeneous sub-components are
RoHS compliant.
GS1575B / GS9075B HD-LINX® II Multi-Rate SDI
Automatic Reclocker
Data Sheet
40063 - 1
June 2009
www.gennum.com
1 of 28
1 page  
1. Pin Out
1.1 GS1575B Pin Assignment
DDI0
DDI0_VTT
DDI0
GND
DDI1
DDI1_VTT
DDI1
GND
DDI2
DDI2_VTT
DDI2
GND
DDI3
DDI3_VTT
DDI3
GND
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1 48
2 47
3 46
4 45
5 44
6 43
7 GS1575B 42
8
64-pin QFN
41
(Top View)
9 40
10 39
11 38
12 37
13 36
14 35
15 34
16 33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
VEE_DDO
VCC_DDO
DDO
NC
DDO
GND_DRV
VEE_SCO
VCC_SCO
SCO
NC
SCO
GND
DDO_MUTE
SCO_ENABLE
KBB
SD/HD
Ground Pad
(bottom of package)
Figure 1-1: 64-Pin QFN
GS1575B / GS9075B HD-LINX® II Multi-Rate SDI
Automatic Reclocker
Data Sheet
40063 - 1
June 2009
5 of 28
5 Page 
Table 2-1: DC Electrical Characteristics (Continued)
VCC = 3.3V, TA = 0°C to 70°C, unless otherwise shown
Parameter
Symbol Conditions
Bi-Directional Pins (Auto Mode)
SS[2:0], AUTO/MAN = 1
XTAL_OUT+, XTAL_OUT-
SCO_ENABLE
Serial Input Voltage
VOH
VOL
VOH
VOL
–
–
High, 250uA Load
Low, 250uA Load
High
Low
1.5mA of current
delivered
Common Mode
Serial Output Voltage
SDO/SDO, SCO/SCO
– Common Mode
Min
2.8
–
–
–
VCC - 0.165
1.65 +
(VSID/2)
–
Typ
–
–
VCC
VCC - 0.285
–
–
VCC - (VOD/2)
Max
–
0.5
–
–
VCC + 0.165
VCC - (VSID/2)
–
Units
V
V
V
V
V
V
V
2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
VCC = 3.3V, TA = 0°C to 70°C, unless otherwise shown
Parameter
Symbol
Conditions
Serial Input Data Rate
Serial Input Jitter Tolerance
–
–
–
PLL Lock Time - Asynchronous
PLL Lock Time - Synchronous
Serial Output Rise/Fall Time
SDO/SDO and SCO/SCO
(20% - 80%)
Serial Digital Input Signal
Swing
tALOCK
tSLOCK
tSLOCK
trSDO,trSCO
tfSDO,tfSCO
VSID
Serial Digital Output Signal
Swing
SDO/SDO and SCO/SCO
VOD
GS1575B
GS9075B
Worst case modulation (e.g.
square wave modulation)
143, 270, 360, 1485 Mb/s
–
CLF=47nF, SD/HD=0
CLF=47nF, SD/HD=1
50Ω load (on chip)
50Ω load (on chip)
Differential with internal
100Ω input termination
See Figure 2-1
100Ω load differential
See Figure 2-2
Min
143
143
0.8
–
–
–
–
–
100
1400
Typ
–
–
–
–
–
–
114
106
–
1600
Max
1485
540
–
Units
Mb/s
Mb/s
UI
10 ms
10 us
39 us
– ps
– ps
800 mVp-p
2200
mVp-p
GS1575B / GS9075B HD-LINX® II Multi-Rate SDI
Automatic Reclocker
Data Sheet
40063 - 1
June 2009
11 of 28
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet GS1575B.PDF ] | |
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