8 voltage controlled crystal oscillators vectron international ?267 lowell road, hudson, nh 03051 ?tel: 1-88-vectron-1 ?web: www.vectron.com description: the vc-800 voltage controlled crystal oscillator (vcxo) is a quartz stabilized square wave generator with a cmos output and is tested at cmos and ttl logic levels (5 volt operation). features: ?worlds smallest vcxo, 3.2 x 5.0 x 1.5mm ?frequencies to 51.84 mhz ?5 or 3.3 v operation ?tri-state output ?low jitter < 6ps rms (output frequencies >12 mhz) ?vcxo with cmos outputs ?0/70 or -40/85 ? temperature range ?hermetically sealed ceramic smd package vc-800 performance characteristics 1. a 0.01uf and a 0.1uf capacitor should be located as close to the supply as possible (to ground) is recommended. 2. symmetry is defined as (on time/period with vs = 1.4 v for ttl and vs=2.5 v for cmos, 5 volt operation, and vs=1.65v for 3.3 volt operation. frequency f o 1.544 51.84 mhz supply voltage 1 (+3.3 v) v dd 2.97 3.3 3.63 v (+5.0 v) 4.5 5.0 5.5 supply current i dd 12 25 ma output logic levels output logic high v oh 0.9*v dd v output logic low v ol 0.1*v dd transition times rise time t r 5ns fall time t f 5ns symmetry or duty cycle 2 sym 40 50 60 % operating temperature (ordering option) 0/70 or ?0/85 ? test conditions for apr (+5v option) v c 0.5 4.5 v test conditions for apr (+3.3v option) v c 0.3 3.0 v absolute pull range (ordering option) apr +/-50 ppm +/- 80 gain transfer positive control voltage leakage current i vcxo ? u a control voltage bandwidth (-3db) bw 10 khz package size 3.2 x 5.0 x 1.5 mm parameter symbol minimum typical maximum units 8798_aa's vectron 05/30/02 3:11 pm page 8
vectron international ?267 lowell road, hudson, nh 03051 ?tel: 1-88-vectron-1 ?web: www.vectron.com 9 vc-800 voltage controlled crystal oscillators pad layout outline drawing 1 2 3 4 5 6 pin symbol function 1v c control voltage 2 tri-state tri-state 3 gnd ground 4f o output frequency 5 cmos/ttl cmos/ttl 6v dd supply voltage t emperature range c = 0 c to 70 c f = -40 c to 85 c frequency 800 vc a k c g t xx.xxx package 800 = 3.2 x 5.0 x 1.5 mm product family vc= vcxo supply v oltage k = 5.0 vdc 10% l = 3.3 vdc 10% output a= cmos mhz absolute pull range g = + 50 ppm n = + 80 ppm ordering information symmetry j = 50/50 + 5% k = 50/50 + 10% standard frequencies (mhz) pin out information 4.096 16.384 32.768 8.192 17.664 35.328 12.960 25.920 44.736 13.500 27.000 51.840 16.000 32.000 j t ri-state t =pin #2 vcxo 8798_aa's vectron 05/30/02 3:11 pm page 9
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