bq2502
Features
® Power monitoring, backup supply, and switching for 3V batterybackup applications
® Write-protect control
® Input decoder for control of up to 2 banks of SRAM
® 3-volt backup power output
® Internal 130mAh lithium-coin cell
® Reset output for system power-on reset
® Less than 10ns chip-enable propagation delay
® 5% or 10% supply operation
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