EH1545SJETTS-19.440M TR EH15 45 SJ ET RoHS TS -19.440M TR Series RoHS Compliant 3.3V Plastic J-Lead SMD LVCMOS High Frequency Oscillator Packaging Options Tape & Reel Nominal Frequency 19.440MHz Frequency Tolerance/Stability 50ppm Maximum Pin 1 Connection Tri-State (High Impedance) Package Operating Temperature Range -40C to +85C Duty Cycle 50 10(%) ELECTRICAL SPECIFICATIONS Nominal Frequency 19.440MHz Frequency Tolerance/Stability 50ppm Maximum (Inclusive of all conditions: Calibration Tolerance at 25C, Frequency Stability over the Operating Temperature Range, Supply Voltage Change, Output Load Change, 1st Year Aging at 25C, Shock, and Vibration) Aging at 25C 5ppm/year Maximum Operating Temperature Range -40C to +85C Supply Voltage 3.3Vdc 0.3Vdc Input Current 35mA Maximum (No Load) Output Voltage Logic High (Voh) 2.7Vdc Minimum, IOH = -8mA Output Voltage Logic Low (Vol) 0.5Vdc Maximum, IOL = +8mA Rise/Fall Time 6nSec Maximum (Measured at 20% to 80% of waveform) Duty Cycle 50 10(%) (Measured at 50% of waveform) Load Drive Capability 30pF Maximum Output Logic Type CMOS Pin 1 Connection Tri-State (High Impedance) Tri-State Input Voltage (Vih and Vil) 70% of Vdd Minimum to enable output, 20% of Vdd Maximum to disable output, No Connect to enable output. Absolute Clock Jitter 250pSec Maximum, 100pSec Typical One Sigma Clock Period Jitter 50pSec Maximum, 40pSec Typical Start Up Time 10mSec Maximum Storage Temperature Range -55C to +125C ENVIRONMENTAL & MECHANICAL SPECIFICATIONS Fine Leak Test MIL-STD-883, Method 1014, Condition A Gross Leak Test MIL-STD-883, Method 1014, Condition C Mechanical Shock MIL-STD-202, Method 213, Condition C Resistance to Soldering Heat MIL-STD-202, Method 210 Resistance to Solvents MIL-STD-202, Method 215 Solderability MIL-STD-883, Method 2003 Temperature Cycling MIL-STD-883, Method 1010 Vibration MIL-STD-883, Method 2007, Condition A www.ecliptek.com | Specification Subject to Change Without Notice | Rev D 2/19/2010 | Page 1 of 5 EH1545SJETTS-19.440M TR MECHANICAL DIMENSIONS (all dimensions in millimeters) 5.080 0.203 PIN CONNECTION 1 Tri-State (High Impedance) 2 Ground 3 Output 4 Supply Voltage 0.25 MIN 3 4 9.8 MAX 7.620 0.203 4.7 MAX 0.510 0.203 MARKING ORIENTATION 1 2 14.0 MAX LINE MARKING 1 ECLIPTEK 2 19.440M 3 PXXYZZ P=Configuration Designator XX=Ecliptek Manufacturing Code Y=Last Digit of the Year ZZ=Week of the Year Suggested Solder Pad Layout All Dimensions in Millimeters 1.27 (X4) 3.0 (X4) Solder Land (X4) 5.8 3.81 All Tolerances are 0.1 www.ecliptek.com | Specification Subject to Change Without Notice | Rev D 2/19/2010 | Page 2 of 5 EH1545SJETTS-19.440M TR CLOCK OUTPUT TRI-STATE INPUT OUTPUT WAVEFORM & TIMING DIAGRAM VIH VIL VOH 80% of Waveform OUTPUT DISABLE (HIGH IMPEDANCE STATE) 50% of Waveform 20% of Waveform VOL tPLZ Fall Time Rise Time tPZL TW T Duty Cycle (%) = TW/T x 100 Test Circuit for CMOS Output Frequency Counter Oscilloscope + + Power Supply _ Current Meter _ Supply Voltage (VDD) Probe (Note 2) Output + Voltage Meter _ 0.01F (Note 1) 0.1F (Note 1) Ground CL (Note 3) No Connect or Tri-State Note 1: An external 0.1F low frequency tantalum bypass capacitor in parallel with a 0.01F high frequency ceramic bypass capacitor close to the package ground and VDD pin is required. Note 2: A low capacitance (<12pF), 10X attenuation factor, high impedance (>10Mohms), and high bandwidth (>300MHz) passive probe is recommended. Note 3: Capacitance value CL includes sum of all probe and fixture capacitance. www.ecliptek.com | Specification Subject to Change Without Notice | Rev D 2/19/2010 | Page 3 of 5 EH1545SJETTS-19.440M TR Tape & Reel Dimensions Quantity Per Reel: 1,000 units 4.0 0.2 2.0 0.1 1.5 +1.0/-0.0 0.3 0.1 11.5 0.1 24.0 0.3 A0* 10.75 0.10 12.0 0.1 B0* K0* *Compliant to EIA 481A 1.5 MIN 30.4 MAX DIA 40 MIN Access Hole at Slot Location 360 MAX DIA 50 MIN DIA 20.2 MIN DIA 13.0 0.2 2.5 MIN Width 10.0 MIN Depth Tape slot in Core for Tape Start 24.4 +2.0/-0.0 www.ecliptek.com | Specification Subject to Change Without Notice | Rev D 2/19/2010 | Page 4 of 5 EH1545SJETTS-19.440M TR Recommended Solder Reflow Methods Critical Zone TL to T P Temperature (T) TP Ramp-up Ramp-down TL TS Max TS Min tL t S Preheat t 25C to Peak tP Time (t) Low Temperature Infrared/Convection 240C TS MAX to TL (Ramp-up Rate) Preheat - Temperature Minimum (TS MIN) - Temperature Typical (TS TYP) - Temperature Maximum (TS MAX) - Time (tS MIN) Ramp-up Rate (TL to TP) Time Maintained Above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Target Peak Temperature (TP Target) Time within 5C of actual peak (tp) Ramp-down Rate Time 25C to Peak Temperature (t) Moisture Sensitivity Level 5C/second Maximum N/A 150C N/A 60 - 120 Seconds 5C/second Maximum 150C 200 Seconds Maximum 240C Maximum 240C Maximum 1 Time / 230C Maximum 2 Times 10 seconds Maximum 2 Times / 80 seconds Maximum 1 Time 5C/second Maximum N/A Level 1 Low Temperature Manual Soldering 185C Maximum for 10 seconds Maximum, 2 times Maximum. High Temperature Manual Soldering 260C Maximum for 5 seconds Maximum, 2 times Maximum. www.ecliptek.com | Specification Subject to Change Without Notice | Rev D 2/19/2010 | Page 5 of 5