DS1346 MAXIM [Maxim Integrated Products], DS1346 Datasheet - Page 16

• Manufacturer Part Number: DS1346
• Description: Low-Current, SPI-Compatible Real-Time Clocks
• Manufacturer: MAXIM [Maxim Integrated Products]

PROCESS: CMOS
Low-Current, SPI-Compatible Real-Time Clocks
Figure 4. Crystal PCB Layout
16
______________________________________________________________________________________
GUARD RING
*
* *
VIA CONNECTION
GROUND PLANE
Chip Information
VIA CONNECTION
GROUND PLANE
SM WATCH CRYSTAL
VIA CONNECTION
**
* *
V
CC
PLANE
*
*
*
LAYER 1 TRACE
SM CAP
0.1μF
For the latest package outline information and land patterns
(footprints), go to www.maxim-ic.com/packages. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
PACKAGE
8 TDFN-EP
TYPE
*
*
*
PACKAGE
*
T833+2
CODE
Package Information
**
**
LAYER 2 LOCAL GROUND PLANE
CONNECT ONLY TO PIN 4
GROUND PLANE VIA
OUTLINE
21-0137
NO.
*
*
*
*
PATTERN NO.
GROUND PLANE
VIA CONNECTION
90-0059
LAND