
26 RabbitLink (EG2110)
A.2 Conformal Coating
The area around the crystal oscillator and the battery backup circuit on the RabbitLink has
had the Dow Corning silicone-based 1-2620 conformal coating applied. The conformally
coated area is shown in Figure A-2. The conformal coating protects these high-impedance
circuits from the effects of moisture and contaminants over time.
Figure A-2. RabbitLink Areas Receiving Conformal Coating
Any component in the conformally coated area may be replaced using standard soldering
procedures for surface-mount components. Apply a new conformal coating afterwards for
continued protection against the effects of moisture and contaminants.
NOTE: For more information on conformal coatings, refer to Rabbit Semiconductor
Technical Note 303, “Conformal Coatings.”
Flash
EPROM
Flash
EPROM
Y4
C37
C38
C72
R30
Conformal
Coating
90
15
65
SRAM
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