high stability crystal oscillator phone: +86 10 6301 4184 fax: +86 10 6301 9167 email: sales@vanlong.com web: http://www.va nlong.com ? 2004 by vanlong technology co., ltd. PO303 high stability second-pac kage crystal oscillator ? industry standard pinout PO303 ? ttl and cmos compatible output ? tri-state output option ? frequency up to 160 mhz ? second-package, high stability can meet 5ppm ? hermetically sealed metal package specifications: dil-14 frequency range: 1.0 mhz ~ 160.0 mhz all dimensions are in mm operating temperature: 0 c ~ +50 c - a -10 c ~ +60 c - b -20 c ~ +70 c - c -40 c ~ +85 c - l storage temperature: -40 c ~ +85 c frequency stability: 30 ppm - 30 20 ppm - 20 10 ppm - 10 5 ppm - 5 supply voltage: 3.3 vdc 5.0 vdc - p supply current 25ma max. (< 50mhz) 50ma max. (> 90mhz) output waveform: ttl: 10ttl - a hcmos: 15pf load - b ttl/cmos - c transition times (1mhz ~ 20mhz) rise & fall time 5v(3.3v): 10 ns over 20mhz rise & fall time 5v(3.3v): 6 ns symmetry or duty cycle: 45/55% start-up time: 10 ms max ordering information tri-state: - t or none output active: 0.8v dd output in high-impedance state: 0.16v dd product name + operating temperature + stability(ppm) + frequency + othe r specification code. i.e. PO303c10pc-40.0mhz note: 1. other frequencies, stabilities, and operating temperature ranges available. consult vtc support for specific requirements. 2. not all combinations of the above, stabilities, and temperature ranges are available. consult vtc support if your requirement is not standard. 3. all specifications subject to change without notice. pin configurations 1 nc or e/d 7 ground 8 output 14 supply
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