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| PRELIMINARY INFORMATION ICS650-05 HDTV Clock Synthesizer Description The ICS650-05 is a low cost, low jitter, high performance clock synthesizer designed to produce 74.175824 MHz and 74.250000 MHz as necessary for HDTV applications. Using our patented analog Phase-Locked Loop (PLL) techniques, the device uses a 27.0 MHz clock or fundamental crystal input to produce buffered, fixed clocks and a selectable frame rate clock for HDTV systems. Features Packaged in 20 pin tiny SSOP (QSOP) Input Frequency of 27.0 MHz Zero ppm synthesis error in output clocks Provides fixed 13.5 MHz, dual 27.0 MHz, and 54.0 MHz output clocks with a selectable Frame Rate Clock of 74.175824 MHz or 74.250000 MHz * Ideal for HDTV applications * 3.3 V or 5.0 V operating voltage * * * * Block Diagram Output Buffer Clock Synthesis and Control Circuit Output Buffer Output Buffers Output Buffers Output Buffer FRCLK 54.0 MHz 13.5 MHz FRS 27.0 MHz Input Buffer/Crystal Oscillator 27.0 MHz 27.0 MHz OE (all outputs) 1 Revision 081199 Printed 12/4/00 Integrated Circuit Systems * 525 Race Street * San Jose *CA*95126* (408) 295-9800tel * (408) 295-9818fax MDS 650-05 A PRELIMINARY INFORMATION ICS650-05 HDTV Clock Synthesizer Pin Assignment VDD X2 X1/ICLK VDD VDD GND NC 27M 13.5M GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD OE FRS FRCLK VDD GND GND 54M 27M GND FRCLK Output Select Table (in MHz) FRS Pin 18 0 1 FRCLK Pin 17 74.175824 74.250000 20 pin SSOP (QSOP) Pin Descriptions Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Name VDD X2 X1/ICLK VDD VDD GND NC 27M 13.5M GND GND 27M 54M GND GND VDD FRCLK FRS OE VDD Type P XO XI P P P O O P P O O P P P O I I P Description Connect to +3.3 V or +5.0 V. Must be same as other VDDs. Crystal connection to a 27.0 MHz crystal or leave unconnected for clock input Crystal connection. Connect to a 27.0 MHz fundamental mode crystal or clock input. Connect to +3.3 V or +5.0 V. Must be same as other VDDs. Connect to +3.3 V or +5.0 V. Must be same as other VDDs. Connect to ground. No Connect. Do not connect anything to this pin. 27 MHz buffered oscillator clock output. 13.5 MHz clock output. Connect to ground. Connect to ground. 27 MHz buffered clock output. 54 MHz buffered clock output. Connect to ground. Connect to ground. Connect to +3.3 V or +5.0 V. Must be same as other VDDs. Frame Rate Clock as shown on table. Frame Rate Frequency Select input pin. Determines FRCLK output as shown on table. Output Enable. Tri-states all clocks when low. Connect to +3.3 V or +5.0 V. Must be same as other VDDs. Key: I = Input with internal pull-up; O = output; P = power supply connection; XI, XO = crystal connections MDS 650-05 A 2 Revision 081199 Printed 12/4/00 Integrated Circuit Systems * 525 Race Street * San Jose *CA*95126* (408) 295-9800tel * (408) 295-9818fax PRELIMINARY INFORMATION ICS650-05 HDTV Clock Synthesizer Typical Maximum 7 VDD+0.5 70 260 150 5.5 0.8 0.4 26 14 50 7 27 Units V V C C C Electrical Specifications Parameter Supply voltage, VDD Inputs and Clock Outputs Ambient Operating Temperature Soldering Temperature Storage temperature Operating Voltage, VDD Input High Voltage, VIH Input Low Voltage, VIL Output High Voltage, VOH Output Low Voltage, VOL Output High Voltage, VOH, VDD = 3.3 or 5V Operating Supply Current, IDD, at 5V Operating Supply Current, IDD, at 3.3V Short Circuit Current, VDD = 3.3 V Input Capacitance Input Crystal or Clock Frequency Output Clocks Accuracy (synthesis error) Output Clock Rise Time Output Clock Fall Time Output Clock Duty Cycle One Sigma Jitter, ACLK VDD= VDD= Absolute Clock Period Jitter VDD= VDD= Notes: Conditions Referenced to GND Referenced to GND Max of 10 seconds -65 3.0 2 Minimum ABSOLUTE MAXIMUM RATINGS (note 1) -0.5 0 DC CHARACTERISTICS (VDD = 3.3V or 5V unless noted) FRS, OE FRS, OE VDD=3.3V, IOH=-8mA 2.4 VDD=3.3V, IOL=8mA IOH=-8mA VDD-0.4 No Load No Load Each output Except X1 V V V V V V mA mA mA pF MHz ppm ns ns % ps ps ps ps AC CHARACTERISTICS (VDD = 3.3V or 5V unless noted) All clocks 0.8 to 2.0V 2.0 to 0.8V At VDD/2 3.3 V 5.0 V 3.3 V 5.0 V 1 1.5 1.5 60 40 50 100 40 300 200 1. Stresses beyond those listed under Absolute Maximum Ratings could cause permanent damage to the device. Prolonged exposure to levels above the operating limits but below the Absolute Maximums may affect device reliability. External Components A minimum number of external components are required for proper operation. A decoupling capacitor of 0.01 F should be connected between VDD and GND on pins 4 and 6, and 16 and 14, and a 33 terminating resistor may be used on each clock output if the trace is longer than 1 inch. 3 Revision 081199 Printed 12/4/00 Integrated Circuit Systems * 525 Race Street * San Jose *CA*95126* (408) 295-9800tel * (408) 295-9818fax MDS 650-05 A PRELIMINARY INFORMATION ICS650-05 HDTV Clock Synthesizer Package Outline and Package Dimensions 20 pin SSOP Millimeters Symbol A Min 1.55 0.203 0.190 8.560 3.810 5.840 Max 1.73 0.305 0.254 8.740 4.000 6.200 0.410 0.016 0.127 0.035 0.250 E H b c D E H e h L Q 0.635 BSC D Q e b c h x 45 A L Ordering Information Part/Order Number ICS650R-05 ICS650R-05T Marking ICS650R-05 ICS650R-05 Package 20 pin SSOP 20 pin SSOP Shipping Tubes Tape and Reel Temperature 0 to 70 C 0 to 70 C While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorporated (ICS) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments. 4 Revision 081199 Printed 12/4/00 Integrated Circuit Systems * 525 Race Street * San Jose *CA*95126* (408) 295-9800tel * (408) 295-9818fax MDS 650-05 A |
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