surface mount oscillator, tcxo, tc vcxo i521 / i522 / i721 / i722 series * metal package, 11 mm x 18 mm ilsi america phone: 775-851-8880 ? fax: 775- 851-8882? e-mail: e-mail@ilsiamerica.com ? www.ilsiamerica.com 07/08 specifications subject to change without notice f1 i522 / i722 i521 / i721 frequency 1.000 mhz to 40.000 mhz 10.000 mhz to 40.000 mhz output level hc-mos / ttl clipped sine level ?0? = 0.1 vcc max., ?1? = 0.9 vcc min. 1.0 v p-p min. duty cycle 50% 10% rise / fall time 10 ns max. output load 15 pf, fo < 50 mhz = 10 ttl, fo > 50 mhz = 5 lsttl 20k ohms / 10 pf frequency stability see frequency stability table frequency stability at +25 c 1 ppm (i521 and i522) aging 1 ppm / year max. supply voltage see supply voltage table, tolerance 5 % current 50 ma max. ** 3 ma max. control voltage (i721 / i722) 1.65 vdc 1.5 vdc, 5 ppm min. for vcc = 3.3 vdc, 2.5 vdc 2.0 vdc, 5 ppm min. for vcc = 5.0 vdc slope positive temperature operating see operating temperature table storage -40 c to +85 c environmental see appendix b for information package information msl = 2a, termination = e1 * i522 = hc-mos tcxo, i521 = clipped sine tcxo, i722 = hc-mos tcvcxo, i721 = clipped sine tcvcxo note: a 0.01 f bypass capacitor is recommended between vcc (pin 4) and gnd (pin 2) to minimize power supply noise. * not available for all temperature ranges. ** fr equency, supply, and load related parameters. part number guide sample part number: i521 - 1q3 - 20.000 package and output operating temperature frequenc y stability vs. temperature supply voltage frequency 7 = 0 c to +50 c *o = 1.5 ppm 5 = 5.0 vdc 1 = 0 c to +70 c *p = 2.0 ppm 3 = 3.3 vdc 3 = -20 c to +70 c q = 2.5 ppm 2 = -40 c to +85 c r = 3.0 ppm i521 - i522 - i721 - i722 - j = 5.0 ppm - 20.000 mhz
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