ST2200 SERIES n TRUE TTL OUTPUT n LOWER EMI DUE TO LOWER RINGING NOISE (OVERSHOOT/ UNDERSHOOT) n 8-PIN (HALF SIZE) THRU-HOLE OSCILLATORS IN METAL PACKAGE n AVAILABLE IN SURFACE MOUNT CONFIGURATION STANDARD SPECIFICATIONS: Frequency Range Frequency Stability over Operating Temperature Range Operating Temperature Range Input Voltage (Vcc) Symmetry (Duty Cycle) (See next page for definition.) Input Current (Icc) & Rise and Fall Time (Tr & Tf) between 0.4V and 2.4V Logic “1” & Logic “0” (See next page.) Output Load Ringing Noise Packaging 4.000 – 60.000 MHz (Consult factory for specific available frequencies) ± 50 PPM is standard, but ± 25 PPM is also available. 0 - 70 °C is standard, but can be extended to -40 to +85°C. 5 Volt ± 10% 40/60 - 60/40% is standard, but 45/55% symmetry at Vcc=1.4V is also available. Depends on frequency and output load. See next page. 2.4V MIN.; 0.4V MAX. Up to 10 TTL loads +15 pF Depends on frequency and output load. See EMI application note. 33 parts per tube, SMD: Tape and Reel TBD PART NUMBERING GUIDE: n The Pletronics part number for an ST2200 series oscillator consists of the following 4 elements: 1. Overall Frequency Stability over Operating Temperature Range: ST2245: ± 50 PPM; ST2244: ± 25 PPM 2. Optional Alphabet Designator for Special Requirement: ST2245: standard specifications; ST2245E: operating temperature range of -40 to +85°C; ST2245P: 45/55% symmetry at Vcc=1.4V; (There are other alphabet designators not listed here.) 3. Frequency of Operation in MHz 4. Optional Surface Mount Configuration – SMD EXAMPLES: ST2245E-10.000 MHz; ST2245P-10.000 MHz, ST2244-10.000 MHz-SMD n When customer’s requirements are non-standard, a special engineering part number will be assigned. (continued) Telephone: (425) 776-1880, Fax: (425) 776-2760, e-mail: [email protected] O6A ST2200 SERIES Input Current (Icc), Rise and Fall time with 15pF Load & Jitter Frequency Range (MHz) 4.000 – 7.999 8.000 – 15.999 16.000 – 21.999 22.000 – 60.000 Icc (mA) Typical 23.0 24.0 24.0 27.0 Tr & Tf (nS) Maximum 28.0 28.0 28.0 32.0 Typical 4.0 3.0 2.5 20. Maximum 5.0 4.0 3.5 3.0 Period Jitter RMS Values àcontact factory Typical Maximum à à à à à à à à Recommended Test Circuit with TTL Load Waveform TR TF Vcc 80% Logic 1 Logic 1 (2.4 V MIN) 50% Logic 1 50% Logic 0 20% Logic 0 GND Logic 0 (0.4V MAX) Symmetry *CL (Capacitive Load): Includes the input capacitance of oscilloscope. Thru-Hole Package Outlines (NOT TO SCALE): PIN CONNECTIONS PIN CONNECTION 1 NO CONNECTION 4 GROUND 5 OUTPUT 8 Vcc INCHES (MILLIMETERS) Recommended Land Pattern SMD Outline 0.136 (3.45) 0.035 (0.89) 8 0.200 (5.08) 0.300 (7.62) 5 0.354 (8.99) 1 4 October 2000 O6B Pletronics Inc., 19013 36th Ave. W., Suite H, Lynnwood, WA 98036-5761 USA