SM55T Series 3.3 V CMOS Clock Oscillators April 2010 Pletronics SM55 Series is a quartz crystal 0.8 to 160 MHz controlled precision square wave generator with a 3.2 x 5 mm LCC Ceramic Package CMOS output. Enable/Disable Function The package is designed for high density surface Disable function includes low standby power mount designs. mode rd This is a low cost mass produced oscillator. Fundamental or 3 Overtone Crystals used Tape and Reel or cut tape packaging is available. Low Jitter Pletronics Inc. certifies this device is in accordance with the RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives. Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Lead, Mercury, PBBs, PBDEs Weight of the Device: 0.064 grams Moisture Sensitivity Level: 1 As defined in J-STD-020C Second Level Interconnect code: e4 Absolute Maximum Ratings: Parameter Unit V Supply Voltage -0.5V to +7.0V CC Vi Input Voltage -0.5V to V + 0.5V CC Vo Output Voltage -0.5V to V + 0.5V CC Io Output Current +25 mA to -25 mA Thermal Characteristics o The maximum die or junction temperature is 155 C o The thermal resistance junction to board is 30 to 50 C/Watt depending on the solder pads, ground plane and construction of the PCB. Product information is current as of publication date. The product conforms Copyright 2010 Pletronics Inc. to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters. SM55T Series 3.3 V CMOS Clock Oscillators April 2010 Part Number: SM55 45 T E V - 75.0M -XX Packaging code or blank T250 = 250 per Tape and Reel T500 = 500 per Tape and Reel T1K = 1000 per Tape and Reel Frequency in MHz Supply Voltage V CC V = 3.3V + 10% Optional Enhanced OTR o Blank = Temp. range -10 to +70 C o C = Temp. range -20 to +70 C o E = Temp. range -40 to +85 C Series Model Frequency Stability 45 = + 50 ppm 44 = + 25 ppm 20 = + 20 ppm Series Model Part Marking and Legend: PLE SM55 5xYWWxx P ff.fff M P ff.fff M P5xYWWx ff.fff M ff.fff M C YMDxx C YYWWxx C ff.fff M C YMDxx C PLExx PLE = Pletronics FF.FFF M = Frequency in MHz YYWW or YWW or YMD = Date of Manufacture (year and week, or year-month-day) All other marking is internal factory codes Specifications such as frequency stability, supply voltage and operating temperature range, etc. are not identified from the marking. External packaging labels and packing list will correctly identify the ordered Pletronics part number. Codes for Date Code YMD Code Code 10 1234 AB C D E F G H J K L M Year Month 2010 2011 2012 2013 2014 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Code 123456789 A B C D E F G Day 1 23456789 10 11 12 13 14 15 16 Code H J K L M N P R T U V W X Y Z Day 171819202122232425262728 2930 31 www.pletronics.com 425-776-1880 2