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Gennum Corporation

GS1535 Datasheet Preview

GS1535 Datasheet

HD-LINX II-TM Multi-Rate SDI Automatic Reclocker

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Key Features
• 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
• Auto and Manual Modes for rate selection
• Standards indication in Auto Mode
• 4:1 input multiplexor
• Lock Detect Output
• On-chip Input and Output Termination
• Differential inputs and outputs
• Configuarble automatic Mute or Bypass when not
locked
• Manual Bypass function
• SD/HD indication output to control GS1528 Dual
Slew-Rate Cable Driver
• Pb-free and Green
• Single 3.3V power supply
• Operating temperature range: 0°C to 70°C
Applications
• SMPTE 292M, SMPTE 259M and SMPTE 344M
Serial Digital Interfaces
GS1535 HD-LINX II™
Multi-Rate SDI
Automatic Reclocker
GS1535 Data Sheet
Description
The GS1535 Multi-Rate Serial Digital Reclocker is
designed to automatically recover the embedded clock
signal and re-time the data from a SMPTE 292M,
SMPTE 259M or SMPTE 344M compliant digital video
signal.
The device removes the high frequency jitter
components from the bit-serial stream. Input
termination is on-chip for seamless matching to 50
transmission lines. An LVPECL compliant output
interfaces seamlessly to the GS1528 Cable Driver
The GS1535 can operate in either auto or manual rate
selection mode. In Auto mode the GS1535
automatically detects and locks onto an incoming
SMPTE SDI data signal from 143 Mb/s to 1.485 Gb/s.
For single rate data systems, the GS1535 can be
configured to operate in manual mode. In both modes,
the GS1535 requires only one external crystal to set the
VCO frequency when not locked and provides
adjustment free operation. In systems which require
passing non-SMPTE data rates, the GS1535 will
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.
XTAL+ XTAL-
XTAL XTAL
OUT+ OUT-
LF+ LF- KBB
XTAL
OSC
BUFFER
DDI 0
DDI 1
DDI 2
DDI 3
D
A
T
A
M
U
X
DDI_SEL[1:0]
PHASE
FREQUENCY
DETECTOR
PHASE
DETECTOR
M
U
X
DIVIDE BY
152, 160, 208
CONTROL LOGIC
CHARGE
PUMP
RE-TIMER
VCO
DIVIDE BY
2,4,6,8,12,16
M
DATA BUFFER
DDO/DDO
U
X
DDO_MUTE
BYPASS
LOGIC
SS[2:0]
ASI/177
AUTO/MAN
LD
AUTOBYPASS
GS1535 Functional Block Diagram
BYPASS
18557 - 8 February 2005
1 of 22
www.gennum.com




Gennum Corporation

GS1535 Datasheet Preview

GS1535 Datasheet

HD-LINX II-TM Multi-Rate SDI Automatic Reclocker

No Preview Available !

Contents
GS1535 Data Sheet
Key Features .................................................................................................................1
Applications ...................................................................................................................1
Description ....................................................................................................................1
1. Pin Out ......................................................................................................................3
1.1 Pin Assignment ...............................................................................................3
1.2 Pin Descriptions ..............................................................................................4
2. Electrical Characteristics ...........................................................................................7
2.1 Absolute Maximum Ratings ............................................................................7
2.2 DC Electrical Characteristics ..........................................................................7
2.3 AC Electrical Characteristics ...........................................................................8
2.4 Input/Output Circuits .....................................................................................10
3. Detailed Description ................................................................................................13
3.1 Slew Rate Phase Lock Loop (S-PLL) ...........................................................13
3.2 VCO ..............................................................................................................14
3.3 Charge Pump ................................................................................................14
3.4 Frequency Acquisition Loop —The Phase-Frequency Detector ...................14
3.5 Phase Acquisition Loop — The Phase Detector ...........................................15
3.6 4:1 Input Mux ................................................................................................15
3.7 Automatic And Manual Data Rate Selection .................................................16
3.8 Bypass Mode ................................................................................................17
3.9 DVB/ASI Operation .......................................................................................17
3.10 LOCK ..........................................................................................................17
3.11 Output Drivers .............................................................................................18
3.12 Output Mute ................................................................................................18
4. Application Reference Design .................................................................................19
4.1 Typical Application Circuit .............................................................................19
5. References ..............................................................................................................20
6. Package & Ordering Information .............................................................................20
6.1 Package Dimensions ....................................................................................20
6.2 Packaging Data .............................................................................................21
6.3 Ordering Information .....................................................................................21
7. Revision History ......................................................................................................22
18557 - 8 February 2005
2 of 22


Part Number GS1535
Description HD-LINX II-TM Multi-Rate SDI Automatic Reclocker
Maker Gennum Corporation
Total Page 22 Pages
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