Pl tronics,. Inc. 19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA Manufacturer of High Quality Frequency Control Products SQ3345, SQ2245 CMOS Series SQ3345: CMOS with Enable/ Disable, SQ2245 without Enable/Disable ED Half Size (8 Pin DIP) Thru-Hole Metal Clock Oscillator 650 kHz – 69.999 MHz Standard Specifications ± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature Range 0 to +70° C is standard, but can be extended to - 40 to +85°C for certain frequencies 5.0 volts and 3.3 volts available 40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (see Waveform 1) Logic “1” 90% of Vcc MIN; Logic “0” 10% of Vcc MAX Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 3 (consult factory for heavier loads) Output enabled when Pin #1 is open or at Logic “1”; Output disabled when Pin #1 is at Logic “0”. Rise and Fall Time Tr & Tf (nS) w/ 15pF load Typical Maximum 10.000 25.999 34.999 50.000 69.999 7 10 10 20 15 25 20 30 25 35 Part Numbering Guide 3.0 2.5 2.5 2.5 2.5 4.0 3.5 3.5 3.5 3.5 ON 0.650 – 10.001 – 26.000 – 35.000 – 50.001 – Max. Supply Current Icc (mA) w/ 15pF load 3.3V 5.0V TI Frequency Range (MHz) NU Overall Frequency Stability Operating Temperature Range Supply Voltage (Vcc) Symmetry (Duty Cycle) Logic Levels Output Load SQ33: Enable/Disable Option (E/D) SQ33 45 E Packaging Tubes V -- 60.0M - XXX (Internal Code or blank) Frequency in MHz DI SC Model SQ33 with E/D SQ22 no E/D Frequency Stability 45 = ± 50 PPM 44 = ± 25 PPM 20 = ± 20 PPM Supply Voltage (Vcc) Blank: 5.0V ± 10% V: 3.3 volts ± 10% Special Specifications (choose all that apply) Blank: Std Specs ( 0 to +70°C, 40/60% Symmetry) E: Extended Operating Temperature Range (- 40 to +85°C) S: 45/55% Symmetry at 50% of Vcc Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned. Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load Mechanical: inches (mm) not to scale Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code. 0 .236 (6.0) MAX 0.300 (7.62) 0.031 (0.8) PLE 0 .020 (.51) 0 .250 (6.35) MAX OUT 0.300 (7.62) 0.492 (12.5) MAX 0.492 (12.5) MAX Vcc 5 8 4 1 GND SQ33 Pin 1 = E/D SQ22 Pin 1 = N.C. Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, [email protected], www.pletronics.com Nov 2006 15