Pl tronics,. Inc. 19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA Manufacturer of High Quality Frequency Control Products SM7745D CMOS Series 4 Pad 7 x 5mm Leadless Surface Mount Ceramic Clock Oscillator 70.00 MHz - 170.00 MHz Consult factory for higher frequencies Low Jitter Standard Specifications SM7745D: 50 PPM, SM7744D: 25 PPM, SM7720D: 20 PPM over Operating Temp. Range 0 to +70C is standard, but can be extended to - 40 to +85C for certain frequencies 5.0, 3.3, and 2.5 volts available, .01 F bypass cap recommended, consult factory for 1.8 volts 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 1 pS RMS maximum, from 12 kHz to 20 MHz from carrier Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 2 (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". Overall Frequency Stability Operating Temperature Range Supply Voltage (Vcc) Symmetry (Duty Cycle) Logic Levels Jitter Output Load Enable/Disable Option (E/D) See Website for Supply Current (Icc) and Rise and Fall Times Part Numbering Guide Portions of the part number that appear after the frequency may not be marked on part (C of C provided) Packaging Tray or 16mm tape 8mm pitch SM77 45 D V - 70.0M - 30 - XXX (Internal Code or blank) Non-Std Output Load Blank = 15 pF max, 30 = 30 pF max Frequency in MHz Model Frequency Stability 45 = 50 PPM 44 = 25 PPM 20 = 20 PPM Special Specifications (choose all that apply) Y: Std Specs (5.0V 10%, 0 to +70 C, 40/60% Symmetry) E: Extended Operating Temperature Range (- 40 to +85C) S: 45/55% Symmetry at 50% of Vcc V: Supply Voltage of 3.3 volts 10% W: Supply Voltage of 2.5 volts 5% X: Supply Voltage of 1.8 volts 5% (Consult factory) 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 Solder Pads 0.197 (5.0 .15) 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. 0.200 (5.08) 0.276 (7.0 .15) 3 0.200 (5.08) 0.075 (1.9) MAX 4 2 1 0.055 (1.4) 0.024 (0.60) 0.004 (0.10) 0.050 (1.27) SIGNAL 1 2 3 4 E/D GND OUT Vcc 3 4 .01 m F bypass capacitor PIN 0.087 (2.2) 1 0.055 (1.4) 2 0.079 (2.0) 0.145 (3.68) Sept 2004 Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com 8 CMOS 70 - 170 MHz, 3rd OT Page 8 - 11 CMOS with Enable/ Disable, 3rd Overtone Crystal Used