cmos/ttl clock oscillator document no. 008-0250-0 page 1 - 4 rev. c ? ? ? cts communications components, inc. ? 171 covington drive ? bloomingdale, il 60108 ? ? ? ? ? ? phone 630-924-3500 ? www.ctscorp.com ? toll free 800-757-6686 ? ? ? model 636 t echnical data features ? standard 5x3.2mm surface mount footprint ? cmos/ttl compatible ? frequency range 1.0 ? 125 mhz ? frequency stability, 50 ppm standard (25 ppm and 20 ppm available) ? +1.8vdc, +2.5vdc, +3.3vdc or +5.0vdc operation ? operating temperature to ?40c to +85c ? output enable standard ? tape & reel packaging ? rohs com p liant ordering information 636 m supply voltage frequency in mhz m - indicates mhz and decimal point. frequency is recorded with minimum 5 significant digits to the right of the "m". m = +1.8v n = +2.5vdc l = +3.3vdc s = +5.0vdc operating temperature range frequency stability c = -20c to +70c (standard) i = -40c to +85c 6 = 20 ppm (-20c to +70c only) 5 = 25 ppm 3 = 50 ppm (standard) 2 = 100 ppm (-40c to +85c only) example part number: 636l3c032m76800 description the model 636 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.
document no. 008-0250-0 page 2 - 4 rev. c ? ? ? cts communications components, inc. ? 171 covington drive ? bloomingdale, il 60108 ? 630-924-3500 ? ? ? model 636 5x3.2mm low cost cmos/ttl clock oscillator electrical characteristics parameter symbol conditions min typ max unit maximum supply voltage v cc - -0.5 - 7.0 v storage temperature t stg - -55 - 125 c frequency range f o - 1.0 - 125 mhz frequency stability (see note 1 and ordering information) ? f/f o - - - 20,25,50 or 100 ppm operating temperature commercial -20 70 absolute maximums industrial t a - -40 25 85 c supply voltage model 636m 1.62 1.8 1.98 model 636n 2.25 2.5 2.75 model 636l 2.97 3.3 3.63 model 636s v cc 10 % 4.50 5.0 5.50 v supply current model 636m 1.0 mhz to 20 mhz c l =15pf 20.1 mhz to 50 mhz c l =15pf 50.1 mhz to 125 mhz c l =15pf - - - - - - 5 15 20 model 636n & 636l 1.0 mhz to 20 mhz c l =15pf 20.1 mhz to 50 mhz c l =15pf 50.1 mhz to 125 mhz c l =15pf - - - - - - 7 15 20 model 636s i cc 1.0 mhz to 20 mhz c l =15pf 20.1 mhz to 50 mhz c l =15pf 50.1 mhz to 125 mhz c l =15pf - - - - - - 10 30 40 ma output load model 636m 1.0 mhz to 125 mhz - - 15 model 636n & 636l 1.0 mhz to 50 mhz 50.1 mhz to 125 mhz - - - - 30 15 model 636s c l 1.0 mhz to 50 mhz 50.1 mhz to 80 mhz 80.1 mhz to 125 mhz - - - - 50 30 15 pf output voltage levels logic '1' level v oh cmos load 90%v cc - - logic '0' level v ol cmos load - - 10%v cc v output current logic '1' level (m,n,l,s) i oh v oh = 90%v cc - - -0, -4, -8, -16 logic '0' level (m,n,l,s) i ol v ol = 10%v cc - - +2, +4, +8, +16 ma output duty cycle sym @ 50% level 45 - 55 % rise and fall time @ 10% - 90% levels model 636m, 636n & 636l 1.0 mhz to 20 mhz c l =15pf 20.1 mhz to 50 mhz c l =15pf 50.1 mhz to 125 mhz c l =15pf - - - 8 4 2.5 10 6 3 model 636s t r , t f 1.0 mhz to 20 mhz c l =15pf 20.1 mhz to 50 mhz c l =15pf 50.1 mhz to 125 mhz c l =15pf - - - 6 3 1.5 8 5 2 ns start up time t s application of v cc - - 10 ms enable function enable input voltage model 636m pin 1 logic '1', output enabled 1.26 - - model 636n pin 1 logic '1', output enabled 1.75 - - model 636l pin 1 logic '1', output enabled 2.0 - - model 636s v ih pin 1 logic '1', output enabled 4.0 - - disable input voltage model 636m,n,l pin 1 logi c '0', output disabled - - 0.5 model 636s v il pin 1 logic '0', output disabled 0.8 v enable time (m,n,l,s) t plz pin 1 logic '1' - - 10 ms electrical and waveform parameters phase jitter tjms bandwidth 12 khz - 20 mhz - < 1 - ps rms notes: 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 c.
document no. 008-0250-0 page 3 - 4 rev. c ? ? ? cts communications components, inc. ? 171 covington drive ? bloomingdale, il 60108 ? 630-924-3500 ? ? ? model 636 5x3.2mm low cost cmos/ttl clock oscillator mechanical specifications package drawing marking information 1 (1.0) 0.039 pin 1 identifier 4 3 2 inch (mm) key: (2.2) 0.087 (1.2) 0.126 0.008 (3.2 0.2) 0.047 0.197 0.008 0.047 0.100 (2.54) (5.0 0.2) max (1.2) suggested solder pad geometry suggested reflow profile .100 [2.54] .087 [2.20] .055 [1.40] key: [mm] inch .047 [1.20] 12 3 4 c bypass c bypass should be 0.01 uf. cmos/ttl output waveform test circuit, cmos load period (t) 90%, 80%, 2.4v 50%, 1.5v 10%, 20%, 0.5v duty cycle = t/t x 100 (%) v v oh ol tr tf uptime (t) power supply + - +- - + vm ma .01uf d.u.t. 43 12 c l including probe capacitance. enable input enable truth table pin 1 pin 3 logic ?1? output open output logic ?0? high imp. d.u.t. pin assignments pin symbol description 1 eoh enable input 2 gnd circuit & package ground 3 output rf output 4 v cc supply voltage 1. ** - manufacturing site code. 2. yww ? date code, y ? year, ww ? week. 3. xxmxxxx - frequency marked with 4 significant digits after the ?m?. 0 100 200 300 0 30 60 90 120 150 180 210 240 270 300 time (seconds) temp. (c) maximum 260c, 10 seconds typical 245c 130c cts ** yww 32m7680
document no. 008-0250-0 page 4 - 4 rev. c ? ? ? cts communications components, inc. ? 171 covington drive ? bloomingdale, il 60108 ? 630-924-3500 ? ? ? model 636 5x3.2mm low cost cmos/ttl clock oscillator quality and reliability quality systems meet or exceed the requirements of is o 9000:2000 standards. reliability audits are performed on this or similar products with results available upon request. tape and reel information dimensions in millimeters direction of feed 3.50 5.20 5.60 3.70 16.0 8.0 4.0 ?1.50 1.75 1.30 1.50 ?23 ?180 ?60 ?13 120 17.5 2.0 device quantity is 1,000 pieces per 180mm reel. environmental specifications temperature cycle: 400 cycles from ?55c to + 125c, 10 minute dwell at each temperature, 1 minute transfer time between temperatures. mechanical shock: 1,500g?s, 0.5ms duration, ? sinewave, 3 shocks each direction along 3 mutually perpendicular planes (18 total shocks). sinusoidal vibration: 0.06 inches do uble amplitude, 10 to 55 hz and 20 g ?s, 55 to 2,000 hz, 3 cycles each in 3 mutually perpendicular planes (9 times total). gross leak: no leak shall appear while imme rsed in an fc40 or equivalent liquid at +125c for 20 seconds. fine leak: mass spectrometer leak rates less than 2x10 -8 atm cc/sec air equivalent. resistance to solder heat: pr oduct must survive 3 reflows of +260c peak, 10 seconds maximum. high temperature operating bias: 2,000 hours at +125 c, maximum bias, disregarding frequency shift. frequency aging: 1,000 hours at +85c, full bias, less than 5 ppm shift.
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