DS1305E-TR View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

DS1305E-TR

64 X 8 Serial Real Time Clock

Maxim Integrated 

Figure 4. POWER-SUPPLY CONFIGURATIONS

DS1305

CONFIGURATION 1: BACKUP SUPPLY IS

NONRECHARGEABLE LITHIUM BATTERY

NOTE: DEVICE IS WRITE-PROTECTED IF VCC < VCCTP.

CONFIGURATION 2: BACKUP SUPPLY IS A

RECHARGEABLE BATTERY OR SUPER

CAPACITOR

NOTE: DEVICE DOES NOT PROVIDE AUTOMATIC WRITE PROTECTION.

CONFIGURATION 3: BATTERY OPERATE

MODE

10 of 22

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