telephone: (425) 776 - 1880, fax: (425) 776 - 2760, e - mail: ple - sales@pletronics.com o6 a st2200 series n n true ttl output n n lower emi due to lower ringing noise (overshoot/ undershoot) n n 8 - pin (half size) thru - hole oscillators in metal package n n available in surface mount configuration standard specifications: standard specifications: frequency range 4.000 ? 60.000 mhz ( consult factory for specific available frequencies) frequency stability over operating temperature range 50 ppm is standard, but 25 ppm is also available. operating temperature range 0 - 70 c is standard, but can be extended to - 40 to +85 c. input voltage (vcc) 5 volt 10% symmetry (duty cycle) (see next page for definition.) 40/60 - 60/40% is standard, but 45/55% symmetry at vcc=1.4v is also available. input current (icc) & rise and fall time (tr & tf) between 0.4v and 2.4v depends on frequenc y and output load. see next page. logic ?1? & logic ?0? (see next page.) 2.4v min.; 0.4v max. output load up to 10 ttl loads +15 pf ringing noise depends on frequency and output load. see emi application note. packaging 33 parts per tube, smd: tape and reel tbd part numbering guide: part numbering guide: n n the pletronics part number for an st2200 series oscillator consists of the following 4 elements: 1. overall frequency stability over operating temperature range: st22 45 : 50 ppm; st22 44 : 25 ppm 2. optional alphabet designator for special requirement: st2245: standard specifications; st2245 e : operating temperature range of - 40 to +85 c; st2245 p : 45/55% symmetry at vcc=1.4v; (there are other alphabet designators not listed here.) 3. frequency of operation in mhz 4. option al surface mount configuration ? smd examples: st2245e - 10.000 mhz; st2245p - 10.000 mhz, st2244 - 10.000 mhz - smd n n when customer?s requirements are non - standard, a special engineering part number will be assigned. (continued)
o6b pletronics inc., 19013 36 th ave. w., suite h, lynnwood, wa 98036 - 5761 usa st2200 series input curren t (icc), rise and fall time with 15pf load & jitter frequency range (mhz) icc (ma) tr & tf (ns) period jitter rms values contact factory typical maximum typical maximum typical maximum 4.000 ? 7.999 23.0 28.0 4.0 5.0 8.000 ? 15.999 24.0 28.0 3.0 4.0 16.000 ? 21.999 24.0 28.0 2.5 3.5 22.000 ? 60.000 27.0 32.0 20. 3.0 recommended test circuit with ttl load waveform symmetry 20% logic 0 50% logic 1 80% logic 1 gnd vcc t r t f 50% logic 0 logic 1 (2.4 v min) logic 0 (0.4v max) *cl (capacitive load): includes the input capacitance of osci lloscope . thru - hole package outlines (not to scale): inches (millimeters) 0.200 (5.08) 0.300 1 8 4 5 0.136 (3.45) 0.035 (0.89) 0.354 (8.99) (7.62) octob er 2000 pin connections pin connection 1 4 5 8 no connection ground output vcc smd outline recommended land pattern
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