5 mm x 7 mm ceramic package smd oscillator, ttl / hc-mos ism91 series ilsi america phone: 775-851-8880 ? fax: 775-851-8882? e-mail: e-mail@ilsiamerica.com ? www.ilsiamerica.com 06/09_b specifications subject to change without notic e page 1 pin connection 1 enable / disable 2 ground 3 output 4 vdd dimension units: mm recommended pad layout (top view) product features: applications: low jitter, non-pll based output fibre channel cmos/ttl compatible logic levels server & storage compatible with leadfree processing sonet /sdh 802.11 / wifi t1/e1, t3/e3 system clock note: a 0.01 f bypass capacitor is recommended between vcc (p in 4) and gnd (pin 2) to minimize power supply noise. * not available at all frequencies. ** not available for a ll temperature ranges. *** frequency, supply, and load related pa rameters. frequency 1 mhz to 170.000 mhz output level hc-mos ttl ?0? = 0.1 vcc max., ?1? = 0.9 vcc min. ?0? = 0.4 vdc max., ?1? = 2.4 vdc min. duty cycle specify 50% 10% or 5% see table in part number guide rise / fall time 5 ns max. @ vcc = +3.3 vdc, 10 ns max. @ vcc = +5 vdc *** output load fo < 50 mhz = 10 ttl, fo > 50 mhz = 5 lsttl see table in part number guide frequency stability see frequency stability table (includes room temperature tolerance and stability over operating temperature) start-up time 10 ms max. enable / disable time 100 ns max. supply voltage see input voltage table, tolerance 5 % current 70 ma max. *** operating see operating temperature table in part number guide storage -55 c to +125 c jitter: rms(1sigma) 1 mhz-75 mhz 76 mhz-170 mhz 5 ps rms (1 sigma) max. accumulated jitter (20k adjacent periods) 3 ps rms (1 sigma) max. accumulated jitter (20k adjacent periods) max integrated 1 mhz-75 mhz 76 mhz-170 mhz 1.5 ps rms (1 sigma -12khz to 20mhz) 1 ps rms (1 sigma -12khz to 20mhz) max total jitter 1 mhz-75 mhz 76 mhz-170 mhz 50 ps p-p (100k adjacent periods) 30 ps p-p (100k adjacent periods) part number guide sample part number: ism91 - 3251bh - 20.000 package input voltage operating temperature symmetry (duty cycle) output stability (in ppm) enable / disable frequency i sm91 - 5 = 5.0 v 1 = 0 c to +70 c 5 = 45 / 55 max. 1 = 10ttl / 15 pf hc-mos **e = 10 h = enable - 20.000 mhz 3 = 3.3 v 6 = -10 c to +70 c 6 = 40 / 60 max. 5 = 50 pf hc-mos (<40 mhz) **d = 15 o = n/c 7 = 3.0 v 3 = -20 c to +70 c 6 = 30 pf **f = 20 2 = 2.7 v 4 = -30 c to +75 c a = 25 6 = 2.5 v 2 = -40 c to +85 c b = 50 1 = 1.8 v* c = 100
5 mm x 7 mm ceramic package smd oscillator, ttl / hc-mos ism91 series ilsi america phone: 775-851-8880 ? fax: 775-851-8882? e-mail: e-mail@ilsiamerica.com ? www.ilsiamerica.com 06/09_b specifications subject to change without notic e page 2 pb free solder reflow profile: typical application: *units are backward compatible with 240c reflow processes package information: msl = n.a. (package does not contain plastic, st orage life is unlimited under normal room conditions). termination = e4 (au over ni over w base metalization). tape and reel information: environmental specifications thermal shock mil-std-883, method 1011, condition a moisture resistance mil-std-883, method 1004 mechanical shock mil-std-883, method 2002, condition b mechanical vibration mil-std-883, method 2007, condition a resistance to soldering heat j-std-020c, tabl e 5-2 pb-free devices (except 2 cycles max) hazardous substance pb-free / rohs / green compliant solderability jesd22-b102-d method 2 (preconditioning e) terminal strength mil-std-883, method 2004, test condition d gross leak mil-std-883, method 1014, condition c fine leak mil-std-883, method 1014, condition a2, r1=2x10-8 atm cc/s solvent resistance mil-std-202, method 215 marking line 1: ilsi and date code (yww) line 2: frequency quantity per reel 1000 a 16 +/-.3 b 8 +/-.2 c 7.5 +/-.2 d 17.5 +/-1 e 50 / 60 / 80 f 180 / 250
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