PL603-27

Multimedia Clocks PL603-27 www.DataSheet4U.com Multimedia Clock IC Technical Document 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990, FAX (510) 492-0991 Page 1 of 7 Rev.: 07-12-04 Multimedia Clocks PL603-27 PRODUCT DESCRIPTION PhaseLink’s PL603-27 is a clock generator IC, specifically designed to accommodate the clock requirements of the set top box, HDTV, and personal video recording (PVR) receiver equipment. It offers seven different clock signals while utilizing a single low-cost 27MHz crystal input. PhaseLink’s PL603-27 is designed to save board space and implementation cost while producing multiple system clock outputs. OE 27MHz Xtal 27MHz Xtal OSC 27MHz XIN GNDOSC VDD48K 48KHz VDDANA PLL 83.33MHz 12.288MHz ÷ PLL ÷ ÷ 1.536MHz 48kHz 3.6864MHz 1 2 3 4 5 28 27 26 25 24 23 22 21 20 19 18 17 16 15 XOUT VDDOSC OE DNC VDDBUF VDDBUF GNDDIG GNDBUF GNDBUF 12.288MHz 3.6864MHz 1.536MHz VDD83M 83.33MHz www.DataSheet4U.com PL603-27 VDDANA VDD27M GND48K GNDANA GNDANA GND27M 27MHz 27MHz GND83M 6 7 8 9 10 11 12 13 14 Figure 1: Overall PL603-27 Block Diagram Figure 2: PL603-27 Pin Assignment FEATURES High accuracy synthesis Phase Locked Loop design Eliminates costly quartz crystals and crystal oscillators Very low jitter and Phasenoise Single 27MHz crystal input Seven different output frequencies: o Two 27MHz output o One 83.33MHz output o One 12.288MHz output o One 3.3864MHz output o One 1.536MHz output o One 48KHz output OE (output enable) f...