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 po322 ? 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 marking: line 1: frequency in mhz line 2: date code output waveform: cmos all dimensions are in mm transition times: 6 nsec max. pin connection #1 nc or e/d symmetry or duty cycle (%): 45 ~ 50 #2 ground start-up time: 8 msec max. #3 output #4 supply v dd tri-state function: with tri-state - t (input to pin #1) absolute clock period jitter: 40 psec ordering information standby current: 50 a product code + operating temperature code + stability code + supply voltage code + outpu t waveform code + tri-state code or none + frequency. i.e. po322cbet-40.0mhz note: frequency stability vs. temperature range 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. 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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