telephone: (425) 776 - 1880, fax: (425) 776 - 2760, e - mail: ple - sales@pletronics.com o13a sm7700d series n n cmos compatible with tri ? state output n n leadless surface mount oscillator in 7 x 5mm ceramic package n n 3rd overtone crystal used n n low jitter (see table next page) standard specifications: standard specifications: frequency range 70.000 mhz ? 160.000 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 for certain fre quencies. input voltage (vcc) 5 volt 10% is standard, but 3.3 volt or 2.5 volt 10% also available. symmetry (duty cycle) (see next page for definition.) 40/60 - 60/40% is standard, but 45/55% symmetry at 50% of vcc is also available. input curren t (icc) & rise and fall time (tr & tf) & jitter depends on frequency and output load. see next page. logic ?1? & logic ?0? (see next page) 90% of vcc min.; 10% of vcc max. output load can drive up to 15pf tri - state output normal output when pin #1 is open (no connection); normal output when pin #1 is at logic ?1?; high - impedance output when pin #1 is at logic ?0?. packaging (see page r1, figure 4) 16 mm tape, 254 mm reel: 1000 parts per reel. for quantities <250: 100 parts per tray. part numberin part numberin g guide: g guide: n n the pletronics part number for an sm7700d series oscillator consists of the following 3 elements: 1. overall frequency stability over operating temperature range: sm77 45 d: 50 ppm; sm77 44 d: 25 ppm 2. optional alphabet designator for special requirement: sm7745d y : standard specifications; sm7745d e : operating temperature range of - 40 to +85 c; sm7745d s : 45/55% symmetry at 50% of vcc; sm7745d v : operates at vcc = 3.3 v; sm7745d w : operates at vcc = 2.5 v (there are other alphabet designators not l isted here.) 3. frequency of operation in mhz examples: sm7745dsv - 106.250 mhz; sm7745dw - 125.000 mhz; SM7744Dy - 100.000 mhz n n when customer?s requirements are non - standard, a special engineering part number will be assigned. (continued)
o13b pletronics inc., 19013 36 th ave. w., suite h, lynnwood, wa 98036 - 5761 usa sm7700d series input current (icc), rise and fall time with 15pf load & jitter icc (ma) tr & tf (ns) period jitter rms values (ps) contact factory frequency range (mhz) typical maximum typical maximum typical maximum 70.000 ? 79.999 40.0 45.0 2.0 3.0 80.000 ? 110.000 75.0 80.0 0.5 1 .0 2.6 2.9 110.001 ? 119.999 80.0 90.0 0 .5 1 .0 120.000 ? 160.000 90.0 95.0 0 .5 1.0 1.8 1.9 recommended test circuit with cmos load waveform *cl (capacitive load): includes the input capacitance of oscilloscope. ** 0.01 m f external by - pass filter is recommended. package outline (not to scale): # 4 # 3 # 1 # 2 0.075 (1.9) max recommended land pattern 0.071 (1.8) 0.165 (4.2) 0.08 (2.0) 0.200 (5.08) 0.01uf pin connections connection pin enable/disable input 1 ground 2 output vcc 4 3 0.276 (7.00.2) 0.197 (5.00.2) 0.102 (2.6) 0.047 (1.2) .055 (1.4) 0.200 (5.08) inches (millimeters) october 2000 symmetry logic 0 (10% vcc max) 20% logic 0 80% logic 1 logic 1 (90% vcc min) gnd vcc t r t f 50% logic 0 50% logic 1
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