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Gennum Corporation

GS1540 Datasheet Preview

GS1540 Datasheet

HDTV Serial Digital Non-Equalizing Receiver

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FEATURES
• SMPTE 292M compliant
• 1.485 and 1.485/1.001Gb/s operation
• integrated adjustment-free reclocker
• 1:20 serial to parallel conversion
• selectable reclocked serial output
• reclocker BYPASS capability
• LOCK detect
• input jitter indicator (IJI)
• 20 bit output
• 74.25MHz or 74.25/1.001MHz clock output
• single +5.0V power supply
• minimal component count for HD SDI receive
solutions
APPLICATIONS
SMPTE 292M Serial Digital Interfaces for Production
Switchers, Master Control Switchers, NLE's, and VTR's.
HD-LINXGS1540
HDTV Serial Digital
Non-Equalizing Receiver
PRELIMINARY DATA SHEET
DESCRIPTION
The GS1540 is a high performance integrated Receiver
designed for HDTV component signals, conforming to the
SMPTE 292M standard. The GS1540 includes adjustment
free clock and data recovery, and 1:20 serial to parallel
conversion.
The Clock and Data Recovery stage was designed to
automatically recover the embedded clock signal and
retime the data from SMPTE 292M compliant digital video
signals. There is also a selectable reclocked serial data
buffer output and the ability to bypass the reclocker stage.
A unique feature, Input Jitter Indicator (IJI), is included for
robust system design. This feature is used to indicate
excessive input jitter before the chip mutes the outputs.
The Serial to Parallel conversion stage provides 1:20 S/P
conversion.
The GS1540 uses the GO1515 external VCO connected to
the internal PLL circuitry to achieve ultra low noise PLL
performance.
ORDERING INFORMATION
PART NUMBER
PACKAGE
GS1540-CQR
128 pin MQFP
TEMPERATURE
0°C to 70°C
DDI
(opt) DDI_VTT
DDI
BUFFER1
SDOint
SDOint
RECLOCKER
CORE
S/P CONVERTER
BUFFER2
SDO_EN
SIMPLIFIED BLOCK DIAGRAM
DATA_OUT[19:0]
PCLK_OUT
SDO
SDO
Revision Date: August 2000
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3
Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info@gennum.com
www.gennum.com
Document No. 522 - 27- 00




Gennum Corporation

GS1540 Datasheet Preview

GS1540 Datasheet

HDTV Serial Digital Non-Equalizing Receiver

No Preview Available !

GO1515
LBCONT
LFA LFS LFS
PLCAP PLCAP IJI
VCO
CHARGE
PUMP
PHASE
LOCK
LOGIC
PLL_LOCK
PHASE
DETECTOR
MUTE
S/P CONVERTER
CORE
DDI
(opt) DDI_VTT
DDI
BUFFER1
RECLOCKER CORE
BUFFER2
BYPASS
SDO_EN
FUNCTIONAL BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise indicated.
PARAMETER
Supply Voltage (VS)
Input Voltage Range (any input)
Operating Temperature Range
Storage Temperature Range
Power Dissipation (VCC = 5.25V)
Lead Temperature (soldering 10 seconds)
Input ESD Voltage
Junction Temperature
VALUE
5.5V
VEE 0.5 < VIN < VCC+ 0.5
0°C TA 70°C
-40°C TS 150°C
1.85W
260°C
TBD
125°C
PCLK_OUT
DATA_OUT[19:0]
SDO
SDO
GENNUM CORPORATION
2
522 - 27- 00


Part Number GS1540
Description HDTV Serial Digital Non-Equalizing Receiver
Maker Gennum Corporation
Total Page 16 Pages
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