sm high precision crystal oscillator phone: +86 (10) 5820-3910 fax: +86 (10) 5820-3915 e-mail: sales@vanlong.com web: http://www.vanlong.com ? 2007 by vanlong technology co., ltd. PO322 high precision crystal oscillator ? 10ppm over -20 c to +70 c including 10 years aging. ? tight symmetry 45 to 55% available ? typical 5.0 x 3.2 x 1.15mm ceramic smd package ? complies with directive 2002/95/ec (rohs compliant) specifications outline drawing frequency range: 1.5mhz ~ 55.00mhz operating temperature: 0 c ~ +50 c - a -10 c ~ +60 c - b -20 c ~ +70 c - c -40 c ~ +85 c - l storage temperature: -55 c ~ +125 c frequency stability: 20 ppm - c 10 ppm - b supply voltage: 5.0v dd - c 3.3v dd - e supply current: 5.0 3.3 (v dd ) 1.5mhz ~ 20mhz 15 10 (ma) 20mhz ~ 40mhz 20 15 (ma) 40mhz ~ 55mhz 30 22 (ma) output level: output high (logic ?1?) 90% v dd output low (logic ?0?) 10% v dd output waveform: cmos transition times: 6 nsec max. symmetry or duty cycle (%): 45 ~ 50 start-up time: 8 msec max. tri-state function: with tri-state - t (input to pin #1) marking: line 1: frequency in mhz line 2: date code all dimensions are in mm absolute clock period jitter: 40 psec ordering information standby current: 50 a 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. product code + operating temperature code + stability code + supply voltage code + output waveform code + tri-state code or none + frequency. i.e. PO322cbet-40.0mhz PO322 pin connection #1 nc or e/d #2 ground #3 output #4 supply v dd frequency stability vs. temperature range temperature range \ ppm 10 20 a 0 c ~ +50 c { { b -10 c ~ +60 c { { c -20 c ~ +70 c { { l -40 c ~ +85 c x { { standard x n/a ? available upon request
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