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GS1522-CQR bảng dữ liệu(PDF) 1 Page - Gennum Corporation

tên linh kiện GS1522-CQR
Giải thích chi tiết về linh kiện  HDTV Serial Digital Serializer
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nhà sản xuất  GENNUM [Gennum Corporation]
Trang chủ  http://www.gennum.com
Logo GENNUM - Gennum Corporation

GS1522-CQR bảng dữ liệu(HTML) 1 Page - Gennum Corporation

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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
Revision Date: August 2000
Document No. 522 - 26 - 00
PRELIMINARY DATA SHEET
FEATURES
• SMPTE 292M compliant
• 20:1 parallel to serial conversion
• NRZ(I) encoder & SMPTE scrambler with selectable
bypass
• NRZ to NRZ(I) serial data conversion
• 1.485Gb/s and 1.485/1.001Gb/s operation
• lock detect output
• selectable DUAL or QUAD 75
Ω cable driver outputs
• 8 bit or 10 bit input data support
• 20 bit wide inputs
• 3.3V and 5V CMOS/TTL compatible inputs
• single +5.0V power supply
APPLICATIONS
SMPTE 292M Serial Digital Interfaces for Video Cameras,
Camcorders, VTR's, Signal Generators, Portable Equip-
ment, and NLE's.
DESCRIPTION
The GS1522 is a monolithic bipolar integrated circuit
designed to serialize SMPTE 274M and SMPTE 260M bit
parallel digital signals.
This device performs the following functions:
Sync word mapping for 8-bit/10-bit operation.
Parallel to Serial conversion of Luma & Chroma data
Interleaving of Luma and Chroma data
Data Scrambling (using the X
9+X4+1 algorithm)
Conversion of NRZ to NRZI serial data (using the (X+1)
algorithm)
Selectable DUAL or QUAD 75
Ω Cable Driver outputs
Lock Detect Output
1.485Gb/s or 1.485/1.001Gb/s operation
This device requires a single 5V supply and typically
consumes less than 1000mW of power while driving two
75
Ω cables.
The GS1522 uses the GO1515 external VCO connected to
the internal PLL circuitry to achieve ultra low noise PLL
performance.
FUNCTIONAL BLOCK DIAGRAM
ORDERING INFORMATION
PART NUMBER
PACKAGE
TEMPERATURE
GS1522-CQR
128 pin MQFP
0°C to 70°C
SYNC DETECT
SMPTE
SCRAMBLER
INTERLEAVER
PARALLEL
TO SERIAL
CONVERTER
NRZ TO NRZI
PLL
INPUT
LATCH
GO1515
O/P0
O/P1
PLL_LOCK
SDO1_EN
RSET1
SDO1-
SDO1+
SDO0-
SDO0+
RSET0
BYPASS
RESET
SYNC_DETECT
_DISABLE
PCLK_IN
DATA_IN[19:0]
RESET
BYPASS
SCLK
PLOAD
MUTE
20
20
HD-LINX GS1522
HDTV Serial Digital Serializer


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