ICS650R-22

( DataSheet : www.DataSheet4U.com ) ICS650-22 PVR and STB Clock Source Description The ICS650-22 is a low-cost, low-jitter, high-performance clock synthesizer for personal video recorders (PVR) and set-top box (STB) applications. Using analog Phase-Locked Loop (PLL) techniques, the device accepts a 27 MHz crystal input to produce multiple clocks for personal video recorder applications. Features Packaged in 20-pin narrow SSOP (QSOP) Available in Pb (lead) free package 27 MHz fundamental crystal or clock input Zero ppm synthesis error in all clocks Low skew 33.33 MHz clock outputs Output enable controls all outputs Full CMOS output swing with 25 mA output drive capability at TTL levels Advanced, low-power, sub-micron CMOS process 3.3 V +10% operating voltage Block Diagram VDD 6 4 33.33 MHz 48 MHz 66.66 MHz 100 MHz 27 MHz Fundamental Crystal or Clock X1/ICLK Crystal OSC X2 Clock Synthesis and Control Circuitry 4 GND OE MDS 650-22 D 1 Revision 051004 Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com www.DataSheet4U.com ICS650-22 PVR and STB Clock Source Pin Assignment GND X2 X1/ICLK VDD VDD GND 48M VDD 66M GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD 100M 33M 33M VDD VDD GND 33M 33M OE 20-pin (150 mil) SSOP Pin Descriptions Pin Number 1 2 3 4, 5 6 7 8 9 10 11 12, 13 14 15, 16 17, 18 19 20 Pin Name GND X2 X1/ICLK VDD GND 48M VDD 66M GND OE 33M GND VDD 33M 100M VDD Pin Ty...