vcxo vf946 series 75 south street, hopkinton, ma 01748 800-982-5737 508-435-6831 fax: 508-435-5289 www.valpeyfisher.com 84 vf946 series hcmos/ttl compatible tri?tate hybrid vcxo 6 pin ceramic package features tristate output standard small 6 pin dip compatible with the popular s?ype 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 ?.5 7.0 v down voltage storage temp. ts ?5 +125 ? control voltage vc ? 9 v frequency range f 1.5 52 mhz frequency ? f/f vs. temp., vcc ?5 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 ??level voh max. load 0.9vcc v logic ??level vol max. load 0.1vcc v start?p time ts 2 10 ms phase jitter 1 1 ps fj>1khz modulation bw @vc = 2.5v 10 khz @?db 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 ?0 ppm range stability (guaranteed over temp. capture range) deviation slope monotonic, posit. 50 ppm/v 4 linearity ?0 % setability (vc vc0 @25?, 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 0? to +70? (?0? to +85? available) mechanical shock per mil?td?02, method 213, cond. e thermal shock per mil?td?83, method 1011, cond. a vibration per mil?td?83, method 2007, cond. a soldering conditions 260?, for 10s, max. hermetic seal leak rate less than 5 x 10 ? atm.cc/s of helium pin out pin #1?voltage control pin #2?tristate control pin #3?case, ground pin #4?output pin #5?n/c pin #6?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 ?.5v in this case. 4. frequency dependent, 30 ppm at f>40mhz. 5. surface mount available, see vf946g, vf946l. 0.310" (7,87mm) 0.335" (8,51) 0.300" (7,62mm) 0.010" 0.002" (0,254mm 0,05mm) 0.250" ref (6,35mm) 0.132" 0.010" (3,35mm 0,254mm) 0.200" (5,08mm) 0.100" (2,54mm) 0.018" 0.002" (0,457mm 0,05mm) #6 #5 #4 #1 #2 #3 vf946 19.44mhz bo1h #1 #2 #3 #6 #5 #4 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 +70c (std.) 1 -40c to +85c absolute pull range (ppm) code specification 50 ppm (std.) xxxx 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: vf946hl-1-75-44.736mhz: frequency stability 25ppm, duty cycle 5%, input voltage 3.3 volt 5%, operating temperature -40c to +85 c, apr 75ppm, frequency 44.736mhz. all dimensions are typical unless otherwise specified. input high (>2.5v) or floating: active input low (<0.5v): infinite impedance obsolete
|
