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GS1522 bảng dữ liệu(PDF) 1 Page - Gennum Corporation |
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GS1522 bảng dữ liệu(HTML) 1 Page - Gennum Corporation |
1 / 20 page 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: June 2004 Document No. 522 - 26 - 03 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 • Pb-free and Green • 3.3V and 5V CMOS/TTL compatible inputs • single +5.0V power supply APPLICATIONS SMPTE 292M Serial Digital Interfaces for Video Cameras, Camcorders, VTRs, Signal Generators, Portable Equip- ment, and NLEs. 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 Pb-FREE AND GREEN GS1522-CQR 128 pin MQFP 0°C to 70°C No GS1522-CQRE3 128 pin MQFP 0°C to 70°C Yes 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 SDO0 RSET0 BYPASS RESET SYNC_DETECT _DISABLE PCLK_IN DATA_IN[19:0] RESET BYPASS SCLK PLOAD MUTE 20 20 SDO0 SDO1 HD-LINX ™ GS1522 HDTV Serial Digital Serializer |
Số phần tương tự - GS1522 |
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Mô tả tương tự - GS1522 |
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