MAX6902 查看數據表（PDF） - Maxim Integrated

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MAX6902

SPI-Compatible RTC in a TDFN

Maxim Integrated 

SPI-Compatible RTC in a TDFN

GUARD RING

*

**

GROUND PLANE

VIA CONNECTION

*

VCC PLANE

VIA CONNECTION

0.1μF

SM CAP

*

**

*

SM WATCH CRYSTAL

*

**

GROUND PLANE

VIA CONNECTION

*

*LAYER 1 TRACE

*

GROUND PLANE

VIA CONNECTION

*

*

*

*

**

**LAYER 2 LOCAL GROUND PLANE

CONNECT ONLY TO PIN 4

GROUND PLANE VIA

Figure 7. MAX6902 Crystal PCB Layout

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