SM77D Series 3.3 V CMOS Clock Oscillators April 2021 Pletronics SM77D Series is a quartz crystal 70 to 180 MHz controlled precision square wave generator with a 5 x 7 mm LCC Ceramic Package CMOS output. Enable/Disable Function The SM77D series will directly interface TTL Disable function includes low standby power devices also. mode rd The package is designed for high density surface 3 Overtone Crystals used mount designs. Improved circuit to minimize oscillator issues This is a low cost mass produced oscillator. such as multi-mode output signal. Tape and Reel or cut tape packaging is available. Low Jitter Capable of driving up to 50pF capacitive loads Pletronics Inc. certifies this device is in accordance with the RoHS 3 and WEEE 2 directives. Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Lead, Mercury, PBBs, PBDEs W eight of the Device: 0.17 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 Thermal Characteristics o The maximum die or junction temperature is 155 C o The thermal resistance junction to board is 30 to 50 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 2021, Pletronics Inc. to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters. SM77D Series 3.3 V CMOS Clock Oscillators April 2021 Part Number: SM77 45 D E V -12 5.0M - XX Packaging code or blank T250 = 250 per Tape and Reel T500 = 500 per Tape and Reel T1K = 1,000 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 Marking Legend: PLE SM77 PLE SM77 7xY W W xx FF.FFF M FF.FFF M FF. FFF M C YMD xx C YY W W xx C PLE xxx PLE = Pletronics FF.FFF M = Frequency in MHz YYW W or YW W 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 01234 A B CD E F G H J K LM Year20202021202220232024MonthJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 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