SM77D Series 1.8 V
CMOS Clock Oscillators
Feb 2008
• 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 cut tape packaging is available.
70 to 165 MHz
5 x 7 mm LCC Ceramic Package
Enable/Disable Function
Disable function includes low standby power
mode
• 3
rd
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
V
CC
Supply Voltage
Vi
Vo
Input Voltage
Output Voltage
Unit
-0.5V to +5.0V
-0.5V to V
CC
+ 0.5V
-0.5V to V
CC
+ 0.5V
Thermal Characteristics
The maximum die or junction temperature is 155
o
C
The thermal resistance junction to board is 30 to 50
o
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
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
Copyright © 2006, 2007, Pletronics Inc.