SM55T Series 3.3 V CMOS Clock Oscillators June 2007 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 2006, 2007, 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 June 2007 Part Number: SM55 45 T E V -75.0M -XX Packaging code or blank Part Marking: T250 = 250 per Tape and Reel T500 = 500 per Tape and Reel T1K = 1000 per Tape and Reel PFF.FFF M C YMDxx Frequency in MHz or PFF.FFF M Supply Voltage V CC C YYWWxx V = 3.3V + 10% or PLE SM55 Optional Enhanced OTR o FF.FFF M Blank = Temp. range -10 to +70 C o CYMDxx E = Temp. range -40 to +85 C or Series Model P5xYWWx C FF.FF Mxxx Frequency Stability or 45 = + 50 ppm, 44 = + 25 ppm 5xYWWxx 20 = + 20 ppm FF.FFF M Series Model CPLE xxx Marking Legend: 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 6 7 8 9 0 1 2 Year 2006 2007 2008 2009 2010 2011 2012 Code A B C D E F G H J K L M JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Month Code 123456789 A B C Day 123456789 10 11 12 Code D E F G H J K L M N P R 13 14 15 16 17 18 19 20 21 22 23 24 Day Code T U V W X Y Z Day 25 26 27 28 29 30 31 Legacy Part Numbers: S Denoted Symmetry of 45%/55% at 50% of V . This is now the standard Duty Cycle and is no longer needed CC inthe part number. We will still support part numbers with the S. For example: SM5545TV and SM5545TSV describe the same specifications and can be used interchangeably by the customer. -30 or -50 Denoted Output Load other than the standard 15 pF. Data sheets now reflect the specifications at all available loads so this load designation is no longer needed. We will still support part numbers with this load designation. www.pletronics.com 425-776-1880 2