CE7450A

HIGH FREQUENCY, LOW JITTER, LEADED OSCILLATOR FOR GIGABIT ETHERNET APPLICATIONS www.DataSheet4U.com FEATURES LOW JITTER 3rd OVERTONE CRYSTAL DESIGN MODEL CE7450A SPECIFICATIONS PARAMETER SUPPLY VOLTAGE, NOMINAL SUPPLY CURRENT, MAX NOMINAL FREQUENCY OVERALL FREQUENCY STABILITY MAX HCMOS DUTY CYCLE RISE & FALL TIME, MAX ENABLE OPTION DISABLE OPTION JITTER STORAGE TEMPERATURE ABSOLUTE VOLTAGE RANGES CONDITIONS Vcc ±5% Vcc=3.3V, Ta=25º C, 15pF LOAD Ta=-40º C to +85º C, (REF. TO 25º C), f/fc (Ta) Vcc=+3.3 VDC, 15pF LOAD VOH / VOL LOAD=15pF; Vcc=3.3V DC LOAD, NOM. / 50% Vcc tr / tf 20% TO 80% Vout, 80% TO 20% Vout (pin 1) (pin 1) J PIN 1 = "HIGH" OR OPEN PIN 1 = "LOW " OR GROUND Fj > 1 KHz, 1 SYMBOL Vcc Is fo REVISION: B DATE: 10/30/01 VALUE 3.3 70.0 125.00, 133.00, 150.25 ±50.0 2.97 / 0.3 40 TO 60 3 OSCILLATING TRI-STATE (OUTPUT PIN HIGH-Z) 1 pS RMS -55 TO +125 -0.5 TO +7.0 UNIT V mA MHz PPM V % ns pS ºC V T(store) Vcc, Vc(abs) NON-DESTRUCTIVE, DC OUTLINE DRAWING Scale none Dimension in COLORED DOT INDICATES PIN 1 LOCATION MARKING AREA REFLOW SOLDERING PROFILE mm inch 240 °C REFLOW TEMPERATURE PREHEATING 150 °C COOLING .031 ± .003 0.79 ± .08 5.08 MAX .200 MAX 25 °C 0.46 ± .08 DIA .018 ± .003 DIA 100 s TYPICAL 10 s TIME (SECONDS) 6.35 MIN .250 MIN PIN 1 15.24 ± .13 .600 ± .005 PIN 7 13.20 MAX .519 MAX .300 ± .005 PACKAGING 25 PIECES PER PLASTIC TUBE PIN 14 12.19 .480 20.80 MAX PIN 8 .819 MAX ENABLE / DISABLE FUNCTION TABLE PIN 1 7 8 14 FUNCTION E/D CAS...