BQ4845

BQ4845 Description

BQ4845 Categories

BQ4845 Manufacturer

BQ4845 Datasheet (PDF)

BQ4845 Price & Availability

BQ4845 Features

• Real-Time Clock counts seconds through years in BCD format
• On-chip battery-backup switchover circuit with nonvolatile control for external SRAM
• Less than 500nA of clock operation current in backup mode
• Microprocessor reset valid to V_CC =V_SS
• Independent watchdog timer with a programmable time-out period
• Power-fail interrupt warning
• Programmable clock alarm interrupt active in battery-backup mode
• Programmable periodic interrupt
• Battery-low warning

BQ4845 Parameters

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