Oscilent Corporation | 493 Series Surface Mount Crystal Oscillators Page 1 of 2 SMD Oscillators Series Number Package Description Last Modified 493 6 Pad PCB Base PECL Output Jan. 01 2007 FEATURES - Wave form symmetry of 45/55% - PECL / LVPECL output - Industry standard 6 Pad PCB SMD Package - RoHs / Lead Free compliant OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS CHARACTERISTICS Output Logic - Positive ECL Square Wave (PECL) Input Voltage (VDD) - Frequency Range (fO) - 19.440 ~ 180.000 MHz Operating Temperature (TOPR) - 0 ~ +70 (Std.) / -40 ~ 85 (Option) °C Storage Temperature (TSTG) - -55 ~ +125 °C Overall Frequency Stability Input Current (IDD) 3.3 ±5% 5.0 ±5% UNITS V - ±20, ±25, ±50, ±100 max. ppm (a) Frequency Tolerance Inclusive of Overall Stability - (b) Temperature Stability Inclusive of Overall Stability (Operating Temperature) - (c) Input Voltage Stability Inclusive of Overall Stability (VDD ±5%) - (d) Load Stability Inclusive of Overall Stability (RL ±5%) - - 80 max. 120 max. mA @ 25°C ±3 max. ppm/Y Rise Time (TR) 20% to 80% of Waveform 1 max. nS Fall Time (TF) 20% to 80% of Waveform 1 max. nS Aging Output Voltage High "1" VOH PECL Vcc - 1.025 min. Vcc - 0.88 min. Output Voltage Low "0" VOL PECL Vcc - 1.620 max. Vcc - 1.555 max. Load Duty Cycle Jitter Vdc Vdc Vdd - 2.0Vdc 50 50% of Waveform 50 ±10 (Std.) / 50 ±5 (Option) % RMS 1 max. pS PIN CONNECTIONS Ohms Oscilent Corporation | 493 Series Surface Mount Crystal Oscillators Page 2 of 2 #1 Tri-State or No Connection #2 No Connect or Tri-State #3 Ground #4 Output #5 Complimentary Output #6 +Vcc PART NUMBER GUIDE Series Number 493 Oscilent SMD Oscillators Frequency - 28.0 M Enter your freq. e.g. 28.0M = 28.00 MHz Voltage Supply Option Frequency Tolerance & Stability (max.) -3 5 = 5VDC 3 = 3.3VDC E D= E= F= G= ±100 PPM ±50 PPM ±25 PPM ±20 PPM Operating Temp. (°C) Duty Cycle N Blank* = 0~+70 D = -20~+70 K = -30~+85 N = -40~+85 P = 0~+85 -T Tri-State Pin Position TS1 Blank*= 50±10% T = -50±5% TS1 = Pin # 1 TS2 = Pin # 2 NOTE: - Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: - Click on the characteristic names above, for definitions of the particular characteristic. *STANDARDS: - "Blank" part number selections, indicate standard variables for the particular characteristic. PACKAGING: - Add -TR for Tape/Reel. Click here for tape/reel specifications Oscilent Corporation - CALL 949.252.0522 18195 East McDurmott Street . Building D . Irvine . CA 92614 . USA Fax: 949.252.0599 . E-Mail: [email protected] Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map Series No.: 493