Standard Page 1 of 3 Model : QT71 Type: Crystal Oscillator Pin Configuration VCC GND OUT CASE ITP 8 22, 26 28 22, 26 N/A Equivalent Military Designation: N/A Frequency Options TTL CMOS HCMOS/ACMOS ECL/PECL 500 kHz to 66 MHz Not Available 500 Hz to 66 MHz 4 MHz to 80 MHz Frequency Stability vs Temperature Code % PPM Temp. 1 .01 100 0 C to +70 C 3** .0005 5 0 C to +50 C 4 .005 50 0 C to +70 C 5 .0025 25 -20 C to +70 C 6 .005 50 -55 C to +105 C 9 .005 50 -55 C to +125 C 10 .01 100 -55 C to +125 C 11 .005 50 -40 C to +85 C 12 .01 100 -40 C to +85 C ** Requires external tuning capacitors, for pad connections and for frequencies above 20 MHz, consult the factory For frequency stability vs. temperature options not listed herin, request a custom part number. Screened mhtml:file://Y:\CPL\03062007\QTEC\QT71.mht Output Logic 07-Mar-2007 Standard Page 2 of 3 Screened Output Logic TTL T CMOS (Not Available) C High Speed CMOS HC Advanced CMOS AC Low Voltage, 3.3 V L 10 K ECL E 10 KH ECL EH 100 K ECL/300 K ECL EF +5 V ECL (PECL) PE Special CMOS* Z D Tristate Output Option (add "D" as a suffix to the above listed options) * Output logic can drive up to 200 pF load with typical 6 ns rise & fall time (tr, tf). Phase Noise Factory Options Electrical Specifications ITEM TTL CMOS HC/ACMOS*** ECL SUPPLY VOLTAGE 5 V 10% N/A 5 V 10%** -5.2 V std. for 10 K/10 KH output -4.5 V std. for 100 K/300 K output SUPPLY CURRENT (Typical) 66 to 80 MHz: 80 mA 50 to 66 MHz: 40 mA 27 to 50 MHz: 25 mA 6.5 to 27 MHz: 12 mA .01Hz to 6.5 MHz: 20 mA N/A HC = 6 mA @ 10 MHz AC = 20 mA @ 35 MHz Special supply voltage or current available. Ultra low current for battery operation also available. 35 mA (typ) for 10 K LOAD > 60 MHz: 6 TTL < 60 MHz: 10 TTL N/A Typical 2 mA drive. Can drive 1 TTL load. Standard ECL, designed for 20 ECL Loads. SYMMETRY* 8 MHz: 60/40% < 8 MHz: 45/55% N/A 10 MHZ: 60/40% < 10 MHz: 45/55% 60/40% * Optional symmetry selections are 45/55 or 47.5/52.5 Custom symmetry is also available upon request. ** Parts are available with supply range of 2.5 to 6 Volts. *** Low voltage logic avaliable, Vcc = 3.3 V 10%, Current = 12 mA @ 40 MHz, Drive capability = 15 pf mhtml:file://Y:\CPL\03062007\QTEC\QT71.mht 07-Mar-2007 Standard mhtml:file://Y:\CPL\03062007\QTEC\QT71.mht Page 3 of 3 07-Mar-2007