493-28.0M-3EK-T

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 Output Logic Input Voltage (VDD) Frequency Range (fO) Operating Temperature (TOPR) Storage Temperature (TSTG) Overall Frequency Stability CONDITIONS (a) Frequency Tolerance (b) Temperature Stability (c) Input Voltage Stability (d) Load Stability Input Current (IDD) Aging Rise Time (TR) Fall Time (TF) Output Voltage High "1" VOH Output Voltage Low "0" VOL Load Duty Cycle Jitter @ 25°C 20% to 80% of Waveform 20% to 80% of Waveform PECL PECL Vdd - 2.0Vdc 50% of Waveform RMS Vcc - 1.025 min. Vcc - 1.620 max. 50 50 ±10 (Std.) / 50 ±5 (Option) 1 max. 3.3 ±5% 19.440 ~ 180.000 0 ~ +70 (Std.) / -40 ~ 85 (Option) -55 ~ +125 ±20, ±25, ±50, ±100 max. Inclusive of Overall Stability Inclusive of Overall Stability (Operating Temperature) Inclusive of Overall Stability (VDD ±5%) Inclusive of Overall Stability (RL ±5%) 80 max. ±3 max. 1 max. 1 max. Vcc - 0.88 min. Vcc - 1.555 max. 120 max. CHARACTERISTICS Positive ECL Square Wave (PECL) 5.0 ±5% UNITS V MHz °C °C ppm mA ppm/Y nS nS Vdc Vdc Ohms % pS PIN CONNECTIONS 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 Frequency Voltage Supply Option Frequency Tolerance & Stability (max.) Operating Temp. (°C) Duty Cycle Tri-State Pin Position 493 Oscilent SMD Oscillators - 28.0 M Enter your freq. e.g. 28.0M = 28.00 MHz -3 5 = 5VDC 3 = 3.3VDC D= E= F= G= E ±100 PPM ±50 PPM ±25 PPM ±20 PPM N Blank* = 0~+70 D = -20~+70 K = -30~+85 N = -40~+85 P = 0~+85 -T Blank*= 50±10% T = -50±5% TS1 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: Sales@Oscilent.com Series No.: 493 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map