vcxo vf946 j/g series 75 south street, hopkinton, ma 01748 800-982-5737 508-435-6831 fax: 508-435-5289 www.valpeyfisher.com 1 vf946j/g series hcmos/ttl compatible triCstate hybrid vcxo 6 pin ceramic package features ? tristate output standard ? small 6 pin dip ? compatible with the popular sCtype vcxo ? industrial temperature range available ? very low phase jitter ? high reliability ? frequencies to 52 mhz parameter symb condition min typ max unit note input break vcc C0.5 7.0 v down voltage storage temp. ts C55 +125 c control voltage vc C1 9 v frequency range f 1.5 52 mhz frequency 3f/f vs. temp., vcc 25 ppm stability input voltage vcc 4.75 5.00 5.25 v std. 3.15 3.30 3.45 lv opt. input current icc no load 30 ma 1 load duty cycle @1.4v 40 50 60 % 2 rise/fall time tr/tf 10% to 90% 6 ns 0.4v to 2.4v 4 logic 1 level voh max. load 0.9vcc v logic 0 level vol max. load 0.1vcc v startCup time ts 15 ms phase jitter 1s 1 ps fj>1khz modulation bw @vc = 2.5v 10 khz @C3db input impedance fm<10khz 50 kohm control voltage vc vcc = 5.0v 0.00 2.50 5.00 v 3 vcc = 3.3v 0.00 1.65 3.30 absolute pull overall, includes 50 ppm range stability (guaranteed over temp. capture range) deviation slope monotonic, posit. 50 ppm/v 4 linearity 20 % setability (vc vc0 @25c, 2.00 2.50 3.00 v std for center freq) fnominal 1.25 1.65 2.05 lv opt. tristate function enable/disable 100 ns time operating temperature range 0c to +70c (C40c to +85c available) mechanical shock per milCstdC202, method 213, cond. e thermal shock per milCstdC883, method 1011, cond. a vibration per milCstdC883, method 2007, cond. a soldering conditions 260c, for 10s, max. hermetic seal leak rate less than 5 x 10 C8 atm.cc/s of helium pin out pin #1C voltage control pin #2C tristate control pin #3C case, ground pin #4C output pin #5C n/c pin #6C vcc 10 ttl gates or 50pf absolute max. ratings electrical environmental and mechanical electrical connections notes: 1. frequency dependent. 2. tighter duty cycle available. 3. 0v to 5v control voltage available for vcc 3.3v. nominal control voltage is 2.5v and setability is 0.5v in this case. 4. frequency dependent, 30 ppm at f>40mhz. 5. surface mount available, see vf946g, vf946l. vf946j 19.44mhz bo1h 0.010r typ (0,254) 0.010r typ (0,254) 0.010" 0.002" (0,254mm 0,05mm) 0.010" 0.002" (0,254mm 0,05mm) 0.310" 0.010" (7,87mm 0,254mm) 0.310" 0.010" (7,87mm 0,254mm) 93 0.053" 0.005" (1,35mm 0,254mm) 0.050" 0.005" (1,27mm 0,127mm) vf946j vf946g 0.295"0.01" (7,490,254mm) 0.335"0.008" (8,510,203mm) 0.188" ref (4,78mm) 0.068" (1,73mm) 0.128" max (3,25mm) 0.07"0.010" (1,780,254mm) 0.200"0.005" (5,080,127mm) 0.100"0.005" (2,540,127mm) 0.046"0.005" (1,170,127mm) 0.018"0.002" (0,4570,05mm) #6 #5 #4 #1 #2 #3 creating a part number vf946 input voltage code specification l 3.3 volt 5% 5.0 volt 5% (std.) operational temp. range code specification 0 c to +70 c (std.) 1 -40 c to +85 c absolute pull range (ppm) code specification 50 ppm (std.) xxx up to 100 ppm frequency stability code specification s 20 ppm 25 ppm (std.) duty cycle code specification h 5% 10% (std.) (customer to specify) freq. example: vf946shl-1g-75-44.736mhz: frequency stability 20ppm, duty cycle 5%, input voltage 3.3 volt 5%, operating temperature -40 c to +85 c, apr 75ppm, frequency 44.736mhz. pin configuration gull wing pin configuration code specification j "j" bend g gull wing all dimensions are typical unless otherwise specified. input high (>2.5v) or floating: active input low (<0.5v): infinite impedance obsolete
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