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PE9745DEV Datasheet(PDF) 6 Page - Pletronics, Inc. |
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PE9745DEV Datasheet(HTML) 6 Page - Pletronics, Inc. |
6 / 8 page PE91/PE97 Series 3.3 V PECL Clock Oscillators July 2007 www.pletronics.com 425-776-1880 6 Mechanical: Inches mm FR4 PCB Base: Solder masked All via holes tented on bottom Copper Clad ½ oz. Typical Gold plated 0.02 µinch (0.5 µm) Label: Laser engraved on the 5x7 mm oscillator that is mounted on the FR4 base Pin 3 Ground plane is typical Not to scale A 0.380 + _0.010 9.65 + _0.25 B 0.550 + _0.010 13.97 + _0.25 C 0.098 + _0.010 2.49 + _0.25 D 1 0.026 typ. 0.66 E 1 0.050 1.27 F 1 0.028 R 0.72 R G 1 0.180 4.57 H 1 0.100 2.54 I 1 0.050 1.27 J 1 0.015 0.38 1 Typical Dimensions PE91 Pad PE97 Pad Function Note 2 1 Output Enable/Disable When this pad is not connected the oscillator shall operate. This is not a recommended condition!!!!!! When this pad is <0.80 volts, the output will be inhibited (High impedance state) Recommend connecting this pad to V CC if the oscillator is to be always on. 1 2 No function Recommend connecting this pad to ground. The is internal connection. 3 Ground (GND) 4 Output Both outputs must be terminated and biased for proper operation. The ideal termination is 50 ohms connected to 2.0V below the Supply Voltage. The outputs become a High Z when disabled and the voltage level is determined by the termination circuitry. 5 Output* 6 Supply Voltage (V CC) Recommend connecting appropriate power supply bypass capacitors as close as possible. |
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