490-28.0M-3EC-T

Oscilent Corporation | 490 Series Surface Mount Crystal Oscillator Page 1 of 2 SMD Oscillators Series Number Package Description Last Modified 490 4 Pad J-Lead Ceramic PECL Output Jan. 01 2002 FEATURES - Wave form symmetry of 40/60% - PECL output - Industry standard J-Lead 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 Start-Up Time (TS) Jitter @ 25°C 20% to 80% of Waveform 20% to 80% of Waveform PECL PECL 50% of Waveform RMS CHARACTERISTICS Positive ECL Square Wave (PECL) 3.3 ±10% 5.0 ±10% UNITS VDC MHz °C °C PPM mA PPM/Y nS nS VDC VDC Ohms % mS ps 19.440 ~ 180.0 (Fund, Third, Fifth / UM-1) 0 ~ +70 (Std.) / -40 ~ 85 (Option) -55 ~ +125 ±20 (0 ~ +70°C Only), ±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. ±1 max. 2 max. 2 max. VDD - 1.025 min. VDD - 1.620 max. 50 50 ±10 (Std.) / 50 ±5 (Option) 10 max. 3.5 max. 120 max. PIN CONNECTIONS Oscilent Corporation | 490 Series Surface Mount Crystal Oscillator Page 2 of 2 #1 Complimentary Output or Tri-State Enable Low #2 Ground #3 Output #4 Vcc PART NUMBER GUIDE Series Number Frequency Voltage Supply Option Frequency Tolerance & Stability (max.) Operating Temp. (° C) Duty Cycle Pin 1 Connection 490 Oscilent SMD Oscillators - 28.0 M Enter your freq. e.g. 28.0M = 28.00 MHz -5 5 = 5VDC 3 = 3.3VDC D= E= F= G= D ±100 PPM ±50 PPM ±25 PPM ±20 PPM N Blank* = 0~+70 C = -10~+70 D = -20~+70 L = -20~+75 N = -40~+85 P = 0~+85 -T Blank*= 50±10% T = -50±5% CO CO = Complimentary Output TS = Tri-State Enable Low 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.: 490 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map