SM44T Series 2.5 V CMOS Clock Oscillators November 2018 Pletronics SM44 Series is a quartz crystal 0.8 to 180 MHZ controlled precision square wave generator with a 2.5 x 3.2 mm LCC Ceramic Package CMOS output. Enable/Disable Function The package is designed for high density surface Disable function mount designs. includes low standby power mode This is a low cost mass produced oscillator. Low Jitter Tape and Reel or cut tape packaging is available. Pletronics Inc. certifies this device is in accordance with the RoHS 6/6 (2011/65/EC) and WEEE (2002/96/EC) directives. Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Lead, Mercury, PBBs, PBDEs W eight of the Device: 0.041 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 40 to 60 C/W att depending on the solder pads, ground plane and construction of the PCB. Product information is current as of publication date. The product conforms Copyright 2018 Pletronics Inc. to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters. SM44T Series 2.5 V CMOS Clock Oscillators November 2018 Part Number: SM44 45 T E W - 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 W = 2.5V + 10% Temperature Range o Blank = Temp. range -10 to +70 C o C = Temp. range -10 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: Marking legend: P = Pletronics FF.FFF = Frequency in MHz or PFF.FFM PFF.FFM YMD or YM = Date of Manufacture (year CYMDxx CYMxxx and month, or year-month- day) All other markings are 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 67890 A B CD E F G H J K LM Year 20162017201820192020MonthJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC Code 1 2 3 4 5 6 7 8 9 A B C D EF G Day 12345678910111213141516 Code HJKLMNPRTUVWXYZ Day171819202122232425262728293031 www.pletronics.com 425-776-1880 2