Preliminary Specification 9x14mm Surface Mount Pkg. Differential PECL Outputs +3.3Vdc or +5.0Vdc Operation Sealed AT Strip Crystal Output Enable Function Low Phase Jitter: < 1.0 pSec RMS Excellent Solder Reflow Performance Model 651 9x14mm Differential PECL High Frequency Clock (832MHz to 1.66GHz) Electrical Characteristics Parameter Sym Conditions Power Requirements Power Supply Vcc Supply Current Icc Frequency Stabilities Center Frequency Initial Tolerance fnom fcal Ta=+25C Freq. vs. Temp. f/Temp Oper. Temp. Range Freq. vs. Voltage Freq. vs. Load Freq. vs Time (Aging) Waveform Parameters Symmetry Amplitude Rise/Fall Times Load f/Vcc f/RL f/Time Vcc 5% 10% Variation 20 years Sym Vo tr, tf RL @ 50% Level 50 Load 20% to 80% Output to Vcc-2.0V or Equivalent 12KHz to 20MHz or 50KHz to 80MHz Bandwidth Phase Jitter 5% 650L 5% 650S Vcc=Max. (3.3Vdc) 50 . Load (5.0Vdc) Min Typical Max Unit 3.135 4.75 3.30 5.0 45 60 3.465 5.25 Vdc Vdc mA mA 832 1244.16 1333.03 1664 MHz +10 ppm 15 ppm 10 ppm ppm ppm -10 1 1 45 Vcc-1.62V 50 225 50 55 Vcc-1.025V 350 % V pSec <1 pSec RMS CTS Frequency Products 400 W. North Street Carlisle, PA 17013 717-243-5929 Preliminary Specification Model 651 9x14mm Differential PECL High Frequency Clock (832MHz to 1.66GHz) Option "A" Enable Truth Table Pin 2 Gnd. Vcc Open Pins 4&5 Disabled Enabled Disabled Option "B" Enable Truth Table Pin 2 Gnd. Vcc Open Pins 4&5 Enabled Disabled Enabled Environmental / Mechanical Specifications Storage Temperature: Reflow Soldering: Shock: Vibration: -55 to +125C will withstand 240C for 20 Seconds 1500 G's, 0.5 mSec. Pulse (3 Shocks/Axis) 10 G's peak, 20 to 2000 Hz Case: Seal: High Temp FR-4 Base Non-Hermetic Ordering Information Model 651 Supply Voltage L = +3.3Vdc S = +5.0Vdc -- ___.________ Operating Temp. Range A = 0 to +70C B = -40 to +85C Truth Table Option A = Enable High B = Enable Low Example: 651LAA-1244.16 Frequency in MHz CTS Frequency Products 400 W. North Street Carlisle, PA 17013 717-243-5929 Rev. 0