Vectron Products - ECL/PECL Clock Oscillators - CO-437, CO-457 Helping Customers Innovate, Improve & Grow Page 1 of 3 Search XOs > CO-437/457 CO-437/457 ECL/PECL Clock Oscillators Features: Frequencies from 5 MHz to 700 MHz Low profile 14 Pin Flatpack 10K, 10KH, 100K, ECLinPS, 10E/EL and 100E/EL Logic SPECIFICATIONS Part CO-437 Series 14 Pin Flatpack Frequency 5 MHz-700 MHz Output Output taken directly from 10K, 10KH, ECLinPS or ECLinPS Lite gate, depending on temperature and frequency range. Complementary outputs optional. Output taken directly from 100K, ECLinPS or ECLinPS Lite gate, depending on temperature and frequency range. Complementary outputs optional. -5.2 Vdc ± 5% <45 mA to 110 MHz <70 mA above 110 MHz -4.5 Vdc±5% at <60 mA Accuracy (at 25°C) CO-437E: ±1 ppm CO-457E: ±1 ppm Temperature Stability STANDARD: 0°C Supply Improved accuracy/stability available on some models. For example, for ±7 ppm over 0°C to +50°C and for ±10ppm over 0°C to +70°C. Improvement is also available over wider temperature ranges. Please contact factory. Aging Rate (typical after 30 days) CO-457 E= set to ±1 ppm via external capacitor (< MHz in CO-432 and <240MHz in CO-434/37 package) to +70°C: ±25 ppm Option 1: -55°C to +85°C: ±50 ppm Option 2: -55°C to +125°C: ±50 ppm Option 5: 0°C to +50°C: ±5 ppm Option 6: 0°C to +50°C: ±10 ppm Option 7: -55°C to +125°C: ±100 ppm 3 ppm first year 2 ppm/year thereafter 3 ppm first year <2 ppm/year thereafter top of page http://www.vectron.com/products/xo/CO-437_457.htm 3/11/2009 Vectron Products - ECL/PECL Clock Oscillators - CO-437, CO-457 Page 2 of 3 SCREEN TESTING OF ABOVE MODELS Standard Options MIL-STD-883 METHOD CLASS X CLASS D CLASS B Stabilization Bake (150°C) — X X X Seal Test (Gross and Fine) 1014, Cond A2 X X X Temperature Cycling (Thermal Shock) 1010, Cond B X X Burn-in, operating 160 hours @125°C — X X Acceleration (5000g in Y1 axis) 2001, Cond A SCREEN TEST CLASS S Class S screen test requirements include 24 hour additional bake-out, 80 hour additional burn-in, thermal shock, PIND test and radiographic inspection in addition to Class B Screening. Has major cost impact. X top of page CO-437 <200 MHz Dimension in inches Pinouts Pin 7 8 Function Supply (-) Output http://www.vectron.com/products/xo/CO-437_457.htm 3/11/2009 Vectron Products - ECL/PECL Clock Oscillators - CO-437, CO-457 14 Other Page 3 of 3 OV, case N/C top of page Copyright © 1997-2009 by Vectron International, Inc., A Dover Company. Vectron International's Terms and Conditions. The most recent change to this page occurred 02/11/2009 http://www.vectron.com/products/xo/CO-437_457.htm 3/11/2009