cts frequency products crystals clocks vcxos tcxos ocxos 171 covington drive ? bloomingdale, il 60108 phone: 800-757-6686 fax: 630-295-6600 web: www.ctscorp.com revised may 6, 2002 parameter symbol conditions minimum typical maximum units frequency range f 1.5 125 mhz stability f/f note 1 20,25,50, or 100 ppm operating temp. t a commercial 0 +70 c industrial -40 +85 supply voltage vcc operating voltage options 4.5 5.0 5.5 v 3.0 3.3 3.6 supply current icc < 20.0 mhz 5.0 volt supply 25 ma 3.3 volt supply 12 >20.0 mhz to < 80mhz 5.0 volt supply 50 3.3 volt supply 40 >80 mhz to 125mhz 5.0 volt supply 100 3.3 volt supply 60 output load 1.5 mhz to 50.0 mhz 50 pf 50.1mhz to 80.0 mhz 30 > 80 m hz to 125.0 mhz 15 output voltage level v oh cmos load vcc-0.5v v 10 `ttl load vcc-0.6v v ol cmos or ttl load 0.4 v output current i oh v oh = 3.9v/2.2v vdd=4.5v/3.0v +16/+8 ma i ol v ol = 0.4v v dd=4.5v/3.0v -16/-8 ma symmetry duty 1.5 mhz to 125 mhz (50% of waveform) 45 55 % rise & fall time tr, tf < 20.0 mhz 10 ns > 20.0 mhz to <50.0 mhz 10%-90% 8 50.0 mhz to 80.0 mhz of waveform 5 > 80 mhz to 125mhz 4 enable input voltage(or nc) v ih 2.0 v disable input voltage v il 0.8 v tristate leakage current iz v il = 0.8v 0.05 ma waveform jitter t jrms bw=12khz to 20mhz <1 ps rms note 1: inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature, and first year aging at an average operating temperature of 40 o c features: standard miniature surface mount footprint frequency range 1.5 to125 mhz frequency stability: 100 ppm standard; 50 ppm and 25 ppm available low voltage option available cmos/ttl compatible tri-state output standard tape and reel packaging (16mm) cb3/CB3LV smd clock oscillator specifications: the cts cb3 is a ceramic packaged clock oscillator offering reduced size and enhanced stability. the small size means it is perfect for any application. the enhanced stability means it is the perfect choice for today?s communications applications that require tight frequency control. low voltage options are also available. tristate control is also standard. pcmcia type ii & iii compatible fibre channel compliant gigabit ethernet compliant
cts frequency products 171 covington drive bloomingdale, il 60108 phone: 800-757-6686 fax: 630-295-6600 web: www.ctscorp.com crystals clocks vcxos tcxos ocxos revised may 6, 2002 cb3 ? ? configuring the part number... environmental characteristics: storage temperature: ....................................... -55c to +125c temperature cycle: ......................... 25 cycles, -55c to +125c per mil-std-883, method 1010 mechanical shock ............................................ 1500g's, 0.5ms, 3 shocks per direction, per mil-std-883, method 2002 sinusoidal vibration: ........................ 0.06" d.a., 10 to 55 hz and 30g's, 55 to 2000 hz, 3 cycles per direction, per mil-std-883, method 2007 random vibration: ................................... 20g rms , 20 to 2000 hz, per mil-std-883, method 2026 lead integrity: ............................................... per mil-std-883, method 2004 conditions b1 and b2 hermeticity: ................................................ 3 x 10 -8 atm-cc/sec, per mil-std-883, method 1014 conditions b1 and b2 moisture resistance: ..................... 10 cycles, per mil-std-883, method 1014 with step 7 subcycle omitted corrosion resistance: ............ 24 hours, per mil-std-883, method 1009 condition a solderability: .......................................... per mil-std-883, method 2003 or mil-std-202, method 208. except 1 hr. pre-conditioning quality: ............................ in accordance with mil-1-45208 resistance to soldering heat: ............... per mil-std-202, method 210 conditions a and c marking permanence: ..... per mil-std-883, method 2015 thermal resistance: .... per mil-std-883, method 1012.1 electrostatic discharge sensitivity: ........ per mil-std-883, method 3015 ecl output models-> 4kv (class 2- not sensitive) cmos output models-> 2kv (class 1 - not sensitive) steady-state life: ... 1000 hrs. @ 125c per mil-std-883, method 1005, disregarding frequency shift frequency aging: ........................ <10 ppm shift in 30 days @ 85c ambient blank = 5.0v lv = 3.3 volt 2 = 100 ppm 3 = 50 ppm 5 = 25 ppm 6 = 20 ppm (0 to 70c only) c = 0 to 70c i = -40 to 85c frequency (mhz) cb3/CB3LV smd clock oscillator pad connections pad function 1 output enable 2 cover/ckt gnd 3 output 4 vcc pin 1 (enable) pin 3 (output) floating (no connect) enabled (oscillating) logic 1 enabled (oscillating) logic 0 disabled (tristate) tristate truth table
|
