Pl tronics,. Inc. 19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA Manufacturer of High Quality Frequency Control Products SM7645H CMOS Series CMOS with Enable/ Disable or Optional Stand By Mode (3.3 V) Fundamental or 3rd Overtone Crystal Used 1.500 MHz – 69.999 MHz 4 Pad Leadless Surface Mount Clock Oscillator Standard Specifications Overall Frequency Stability Operating Temperature Range Supply Voltage (Vcc) Symmetry (Duty Cycle) Logic Levels Output Load Enable/Disable Option (E/D) Frequency Range (MHz) 1.500 11.000 24.000 30.000 46.000 – – – – – 10.999 23.999 29.999 45.999 69.999 SM7645H: ± 50 PPM, SM7644H: ± 25 PPM, SM7620H: ± 20 PPM over Operating Temp. Range 0 to +70°C is standard, but can be extended to - 40 to +85°C for certain frequencies 5.0 volts, 3.3 volts, 2.5 volts and 1.8 volts available, .01 µF bypass cap recommended 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 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”. Max. Rise and Fall Time Tr & Tf (nS) w/ 15pF load 2.5V to 5.0V Max. Supply Current Icc (mA) w/ 15pF load 2.5V, 3.3V 5.0V 7 15 15 20 25 10 15 20 30 45 5.0 5.0 5.0 5.0 4.5 Frequency Range (MHz) 1.500 – 39.999 40.000 – 69.999 Max. Icc (mA) w/ 15pF load 1.8V 10 25 Max. Tr & Tf (nS) w/ 15pF load 1.8V 5.0 3.0 Part Numbering Guide Portions of the part number that appear after the frequency may not be marked on part (C of C provided) SM76 45 H V - 50.0M - SB - 30 - XXX (Internal Code or blank) Packaging Non-Std Output Load Blank = 15 pF max, 30 = 30 pF max Model Tray or Optional Stand By Mode (3.3 volt only) 24mm tape Frequency Stability 16mm pitch Frequency in MHz 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 +85 °C) 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 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) 3 0.040 (1.02) 4 0.238 (6.05) 0.356 (9.04) 4 7XYWKZ FREQ M PLE SPEC 0.055 0 .145 (1.4) (3.68) 0.059 (1.50) 1 2 0.324 (8.23) 11A 2 0.105 (2.66) MAX 1 0.200 (5.08) 3 0.228 (5.8) 4 0.040 (1.02) 3 1 2 PIN SIGNAL 1 2 3 4 E/D GND OUT Vcc 0.118 (3.0) TOP VIEW Jun 2004 Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, [email protected], www.pletronics.com