Product information is current as of publication date. The product conforms
Copyright © 2005, 2006, Pletronics Inc.
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
SM77D Series 1.8 V
CMOS Clock Oscillators
October 2006
• Pletronics’ SM77D Series is a quartz crystal
controlled precision square wave generator
with a CMOS output.
• The SM77D series will directly interface TTL
devices also.
• The package is designed for high density
surface mount designs.
• This is a low cost mass produced oscillator.
• Tape and Reel or Tube packaging is available.
• 70 to 165 MHz
• 5 x 7 mm LCC Ceramic Package
• Enable/Disable Function
• Disable function includes low standby power
mode
•3rd Overtone Crystals used
• Improved circuit to minimize oscillator issues
such as multi-mode output signal.
• Low Jitter
• Capable of driving up to 15pF capacitive loads
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, PBB’s, PBDE’s
Weight 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
CC Supply Voltage
-0.5V to +5.0V
Vi
Input Voltage
-0.5V to V
CC + 0.5V
Vo Output Voltage
-0.5V to V
CC + 0.5V
Thermal Characteristics
The maximum die or junction temperature is 155oC
The thermal resistance junction to board is 30 to 50oC/Watt depending on the solder pads, ground plane
and construction of the PCB.