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Figure 4. POWER-SUPPLY CONFIGURATIONS
NOTE: DEVICE DOES NOT PROVIDE AUTOMATIC WRITE PROTECTION.
NOTE: DEVICE IS WRITE-PROTECTED IF VCC < VCCTP.
CONFIGURATION 1: BACKUP SUPPLY IS
NONRECHARGEABLE LITHIUM BATTERY
CONFIGURATION 2: BACKUP SUPPLY IS A
RECHARGEABLE BATTERY OR SUPER
CAPACITOR
CONFIGURATION 3: BATTERY OPERATE
MODE