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PDF GS1575A Data sheet ( Hoja de datos )
| Número de pieza | GS1575A | |
| Descripción | HD-LINX-R II Multi-Rate SDI Automatic Reclocker | |
| Fabricantes | Gennum Corporation | |
| Logotipo |  |
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GS1575A / GS9075A HD-LINX® II
Multi-Rate SDI Automatic Reclocker
GS1575A / GS9075A Data Sheet
Features
GS1575A
• 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
GS9075A
• 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
GS1575A
• SMPTE 292M, SMPTE 259M and SMPTE 344M Serial
Digital Interfaces
GS9075A
• SMPTE 259M and SMPTE 344M Serial Digital Interfaces.
Description
The GS1575A/9075A 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 GS1575A 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 GS9075A 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 GS1575A/9075A 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 GS1575A/9075A 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 GS1575A/9075A 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 GS1575A/9075A 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 GS1575A/9075A is Pb-free, and the encapsulation
compound does not contain halogenated flame
retardant.
This component and all homogeneous sub-components
are RoHS compliant.
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www.gennum.com
1 page  
1.2 GS9075A Pin Assignment
GS1575A / GS9075A Data Sheet
DDI0
DDI0_VTT
–
DDI0
GND
DDI1
DDI1_VTT
–
DDI1
GND
DDI2
DDI2–D_VDTI2T
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
GS9075A
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
Ground Pad
(bottom of package)
Figure 1-2: 64-Pin QFN
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5 Page 
Table 2-2: AC Electrical Characteristics (Continued)
VCC = 3.3V, TA = 0°C to 70°C, unless otherwise shown
Parameter
Serial Output Jitter
SDO/SDO and SCO/SCO
KBB = Float
PRN, 223-1
Measurement is output jitter
that includes input jitter from
BERT.
Loop Bandwidth
Symbol
tOJ
tOJ
tOJ
tOJ
tOJ
tOJ
tOJ
BWLOOP
BWLOOP
BWLOOP
BWLOOP
Conditions
143 Mb/s
177 Mb/s
270 Mb/s
360 Mb/s
540 Mb/s
1485 Mb/s (GS1575A only)
Bypass
1.485 Gb/s, KBB = FLOAT
(GS1575A only)
1.485 Gb/s, KBB = GND,
<0.1dB Peaking
(GS1575A only)
270 Mb/s, KBB = FLOAT
270 Mb/s, KBB = GND
GS1575A / GS9075A Data Sheet
Min
Typ
Max
Units
– 0.02 –
UI
– 0.02 –
UI
–
0.02 0.09
UI
– 0.03 –
UI
–
0.03 0.09
UI
–
0.06 0.13
UI
–
0.06 0.13
UI
– 1.75 – MHz
– 3.2 – MHz
– 520 – KHz
–
1000
–
KHz
34716 - 0 December 2005
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11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet GS1575A.PDF ] | |
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