650R-11ILF

DATASHEET ICS650-11 NETWORKING CLOCK SYNTHESIZER Description Features The ICS650-11 is a low cost, low jitter, high performance clock synthesizer customized for BroadCom. Using analog Phase-Locked Loop (PLL) techniques, the device accepts a 25.0MHz clock or fundamental mode crystal input to produce multiple output clocks of 25.0MHz, 33.33MHz, 66.66MHz, 100.0MHz, and 133.33MHz. All output clocks are frequency locked together. The ICS650-11 outputs all have 0 ppm synthesis error. • Packaged in 20-pin narrow SSOP, Pb-free • 25.00 MHz fundamental crystal or clock input • Five fixed output clocks of 25.0 MHz, 33.33MHz, 66.66MHz, 100.0MHz, and 133.33MHz • • • • • • Zero ppm synthesis error in all clocks Ideal for BroadCom BCM5600/BCM5400 chipset Full CMOS output swing Advanced, low power, sub-micron CMOS process 3.0V to 5.5V operating voltage Industrial temperature range Block Diagram IDT® NETWORKING CLOCK SYNTHESIZER 1 ICS650-11 REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS Pin Assignment Pin Descriptions Pin Number Pin Name Pin Type 1 GND Power 2 X2 XO Crystal connection. Connect to a 25MHz crystal or leave unconnected for a clock input. 3 X1 XI Crystal connection. Connect to a 25MHz fundamental crystal or clock input. 4 VDD Power Connect to +3.3V or +5V. Must be same as other VDDs. 5 GND Power Connect to ground 6 GND Power Connect to ground 7 DC — Don’t connect. Do not connect this pin to anything. 8 DC — Don’t connect. Do not connect this pin to anything. 9 DC — Don’t connect. Do not connect this pin to anything. 10 100M Output 100.0MHz clock output. 11 GND Power Connect to ground 12 66.66M Output 66.66MHz clock output. 13 25M Output 25.0MHz clock output. 14 GND Power Connect to ground 15 VDD Power Connect to +3.3V or +5V. Must be same as other VDDs. 16 VDD Power Connect to +3.3V or +5V. Must be same as other VDDs. 17 33.33M Output 33.33MHz clock output. 18 133.33M Output 133.33MHz clock output. 19 DC — Don’t connect. Do not connect this pin to anything. 20 DC — Don’t connect. Do not connect this pin to anything. IDT® NETWORKING CLOCK SYNTHESIZER Pin Description Connect to ground 2 ICS650-11 REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS External Components The ICS650-11 requires a minimum number of external components for proper operation. Decoupling capacitors of 0.01ìF should be connected between each VDD and GND on Pins 4 and 6, and Pins 16 and 14, as close to the ICS650-11 as possible. A series termination resistor of 33 may be used for each clock output. The 25.00 MHz crystal must be connected as close to the chip as possible. The crystal should be a fundamental mode (do not use third overtone), parallel resonant. Crystal capacitors should be connected from pins X1 to ground and X2 to ground to optimize the initial accuracy. The value of these capacitors is given by the following equation, where CL is the crystal load capacitance: Crystal caps (pF) = (CL-6) x 2. So for a crystal with 16 pF load capacitance, two 20 pF caps should be used. IDT® NETWORKING CLOCK SYNTHESIZER 3 ICS650-11 REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS650-11. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical parameters are guaranteed only over the recommended operating temperature range. Item Rating Supply Voltage, VDD (referenced to GND) 7V All Inputs and Outputs (referenced to GND) -0.5 V to VDD+0.5 V Storage Temperature -65 to +150C Junction Temperature 125C Soldering Temperature (max. of 20 seconds) 260C Ambient Operating Temperature -40° to +85°C DC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85C Parameter Symbol Conditions Min. Typ. Units 5.5 V Operating Voltage VDD Input High Voltage VIH X1 pin only Input Low Voltage VIL X1 pin only Output High Voltage VOH IOH = -12 mA Output Low Voltage VOL IOL = 12 mA Output High Voltage, CMOS level VOH IOH = -8 mA Operating Supply Current IDD No load 35 mA Each output ±50 mA Short Circuit Current 3 Max. VDD/2+1 VDD/2 VDD/2 V VDD/2-1 2.4 V V 0.4 V VDD-0.4 V AC Electrical Characteristics CycleUnless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85C Parameter Input Frequency Symbol Conditions Min. fIN Typ. Max. 25.000 Units MHz Output Clock Rise Time 0.8 to 2.0V 1.5 ns Output Clock Fall Time 2.0 to 0.8V 1.5 ns Output Clock Duty Cycle At VDD/2, except 25MHz 55 % Frequency Error All clocks 0 ppm Absolute Jitter, Short-Term Variation from mean IDT® NETWORKING CLOCK SYNTHESIZER 4 45 50 175 ICS650-11 ps REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS Thermal Characteristics Parameter Symbol Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case Conditions Min. Typ. Max. Units JA Still air 135 C/W JA 1 m/s air flow 93 C/W JA 3 m/s air flow 78 C/W 60 C/W JC Marking Diagram 650R-11ILF LOT YYWW Notes: 1. “LOT” denotes lot number. 2. “YYWW” denotes the date code. 3. “I” denotes industrial grade. 4. “LF” denotes RoHS compliant package. 5. Bottom marking: country of origin. IDT® NETWORKING CLOCK SYNTHESIZER 5 ICS650-11 REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS Package Outline and Package Dimensions (20-pin SSOP, 150 Mil. Body) Symbol Millimeters Min Max Inches Min Max A A1 b c D e E E1 L 1.35 1.75 0.102 0.254 0.203 0.305 0.191 0.254 8.560 8.738 0.635 BASIC 5.791 6.198 3.810 3.988 0.406 1.270 0.053 0.069 0.004 0.010 0.008 0.012 0.007 0.010 0.337 0.344 0.025 BASIC 0.228 0.244 0.150 0.157 0.016 0.050 Ordering Information Part / Order Number Marking Shipping Packaging Package Temperature 650R-11ILF 650R-11ILFT see page 5 Tubes Tape and Reel 20-pin SSOP 20-pin SSOP -40 to +85 C -40 to +85 C "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) 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 IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. IDT® NETWORKING CLOCK SYNTHESIZER 6 ICS650-11 REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS Revision History Rev. Date Originator D 01/23/13 D. Chan Description of Change 1. Updated datasheet to current IDT template. 2. Added marking diagram. IDT® NETWORKING CLOCK SYNTHESIZER 7 ICS650-11 REV D 012313 ICS650-11 NETWORKING CLOCK SYNTHESIZER SYNTHESIZERS Innovate with IDT and accelerate your future networks. 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