ECM Crystal Oscillator GBS304 Series 250kHz – 125.0MHz Half Size Universal Output 3.3V Supply Available Competitive Prices for Volume Users Fast Make Options Available Parameter Frequency Range Frequency Stability Supply Voltage Supply Current Load Duty Cycle Rise & Fall Times Ageing Operating Temp Storage Temp GBS304 250kHz to 125.0MHz +/-25ppm (A) Specify +/-50 ppm (B) +/-100 ppm (C) 5V +/-10% Specify 3.3V +/-10% (L) 20 to 80mA max Frequency Dependant 10TTL – 15pF 45 / 55 10nS max Frequency Dependant +/-5ppm / year 00C to +700C (-450 to +850C) Available -550C to +1250C Part Numbering GBS304 H L 16.384M B Type Operating Temp Blank = Standard H = -45+850C Supply Voltage Blank = 5.0V L = 3.3V Frequency K = kHz M= MHz Stability Environmental & Mechanical 50m/s2 11mS Duration Mechanical Shock -55 +1250C duration 10mins Thermal 3 cycles Shock 10-55Hz / 0.762mm Vibration Duration 2 Hours All units 100% tested in Hermetic de-ionised H2O Seal Pin Function A 12.70 1 O/E B 7.62 C 5.08 4 GND 5 O/P D 6.30 8 VDD E 0.45 Dimensions in mm ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: [email protected] Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to discontinue any product or make design changes we believe necessary. Issue 1