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ICS601-25 Datasheet(PDF) 3 Page - Integrated Circuit Systems |
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ICS601-25 Datasheet(HTML) 3 Page - Integrated Circuit Systems |
3 / 5 page LOW PHASE NOISE 1 TO 5 CLOCK MULTIPLIER MDS 601-25 C 3 Revision 071505 In te gr ated Circuit Systems ● 525 Ra ce Street, San Jose, CA 9512 6 ● tel (4 08) 297-1 201 ● www.icst.com ICS601-25 External Components The ICS601-25 requires a minimum number of external components for proper operation. Decoupling capacitors of 0.01 µF and 0.1 µF should be connected between VDD and GND, as close to the part as possible. A 33 Ω series terminating resistor should be used on each clock output. The crystal must be connected as close to the chip as possible. The crystal should be fundamental mode, parallel resonant. Do not use third overtone. For exact tuning when using a crystal, capacitors should be connected from pins X1 to ground and X2 to ground. In general, the value of these capacitors is given by the following equation, where CL is the crystal load capacitance: Crystal caps (pF) = (CL-5) x 2. So for a crystal with 16 pF load capacitance, two 22 pF caps can be used. For any given board layout, ICS can measure the board capacitance and recommend the exact capacitance value to use. Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS601-25. These ratings, which are standard values for ICS 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. Recommended Operation Conditions DC Electrical Characteristics VDD=3.3 V ±10%, Ambient temperature -40 to +85°C Item Rating Supply Voltage, VDD 7 V All Inputs and Outputs -0.5 V to VDD+0.5 V Ambient Operating Temperature, Commercial version 0 to +70 °C Ambient Operating Temperature, Industrial version -40 to +85 °C Storage Temperature -65 to +150 °C Junction Temperature 125 °C Soldering Temperature 260 °C Parameter Min. Typ. Max. Units Ambient Operating Temperature (commercial) 0 +70 °C Ambient Operating Temperature (industrial) -40 +85 °C Power Supply Voltage (measured in respect to GND) +2.97 +3.63 V Parameter Symbol Conditions Min. Typ. Max. Units Operating Voltage VDD 2.97 3.63 V Input High Voltage VIH X1/ICLK pin only VDD/2+1 V Input Low Voltage VIL X1/ICLK pin only VDD/2-1 V |
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