Owner manual

MAX6902
SPI-Compatible RTC in a TDFN
16 ______________________________________________________________________________________
GROUND PLANE
VIA CONNECTION
GROUND PLANE
VIA CONNECTION
GUARD RING
SM WATCH CRYSTAL
LAYER 1 TRACE
LAYER 2 LOCAL GROUND PLANE
CONNECT ONLY TO PIN 4
GROUND PLANE VIA
V
CC
PLANE
VIA CONNECTION
GROUND PLANE
VIA CONNECTION
*
*
**
**
*
*
*
*
*
*
**
*
*
*
*
**
**
0.1ยตF
SM CAP
MAX6902
Figure 7. MAX6902 Crystal PC Board Layout