8798_AA's Vectron 05/30/02 3:11 PM Page 68 Crystal Oscillators (XO’s) XO-400 Description: Vectron International has introduced a series of low cost complementary PECL Crystal Oscillators (XO’s) available in frequencies from 15 MHz to 250 MHz in a standard 4 pin DIP package. This series offers ultra low jitter of <0.5 ps rms from 12 kHz to 20 MHz bandwidth. Features: • • • • Ultra low jitter 3.3 Vdc or 5 Vdc operation Complementary PECL output Standard 4 pin DIP package Performance Characteristics Parameter Characteristics Frequencies: Package Size: 15 MHz to 250 MHz 20.32 x 12.70 x 10.29 mm (0.8” x 0.5” x 0.405”) Supply Voltage: C = 5 Vdc ±5% D = 3.3 Vdc ±5% Supply Current: <80 mA Output Type: Output Level: @ +25°C Rise/Fall Time tr/tf: Symmetry (Duty Cycle): Internal Load: Temperature Stability: Jitter: Complementary PECL VOH (“1”) = Vcc - 1.02V min. VOL (“0”) = Vcc - 1.63V max <1.5 ns (20% to 80%) 50/50 ±5% @ Vcc - 1.3V for “D”; Vcc - 3V for “C” 274 ohm internal load for each output for 3.3 Vdc, 510 ohms for 5Vdc C-C = ±20 ppm All Causes over 0°C to +70°C C-F = ±32 ppm All Causes over 0°C to +70°C C-G = ±50 ppm All Causes over 0°C to +70°C F-G = ±50 ppm All Causes over -40°C to +85°C All Causes = Entire Temperature Range, Aging for 10 years Initial Accuracy and Supply variation. <0.5 ps rms from 12 kHz to 20 MHz BW @ 155.52 MHz Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 68 8798_AA's Vectron 05/30/02 3:11 PM Page 69 Crystal Oscillators (XO’s) XO-400 Outline Drawing Standard Frequencies 5.08 (.200) Frequency Application 19.4400 MHz SONET 38.8800 MHz SONET 51.8400 MHz OC-1 77.7600 MHz SONET 78.1250 MHz 10G / 128 125.0000 MHz 1 7 14 8 139.2640 MHz .051 Dia .002) (in.) Pin Out Information 155.5200 MHz OC-3, SDH, STM1 156.2500 MHz 10G/64 161.1328 MHz 10.3125 G/64 166.6286 MHz OC-3 FEC 15/14 167.3316 MHz OC-3 FEC 255/237 XO 175.0000 MHz 1 Complementary output 7 Case, Ground 8 Output 14 FDDI 177.7371 MHz OC-3 FEC 8/7 Supply Voltage (Vcc) Ordering Information XO 400 D F C C 155.52 MHz Product Family XO = Clock Oscillator Package 400 = 4 pin DIP Supply Voltage C = 5.0 Vdc ±5% D = 3.3 Vdc ±5% Output F = Complementary PECL Output Frequency See Standard Frequencies Chart above. Temperature Stability C-C = ±20 ppm All causes 0°C to +70°C C-F = ±32 ppm All causes 0°C to +70°C C-G = ±50 ppm All causes 0°C to +70°C F-G = ±50 ppm All causes -40°C to +85°C Note: Other stabilities are available upon request Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 69