BQ2201SN Datasheet PDF - TI

●General Description

●The CMOS bq2201 SRAM Nonvolatile Controller Unit provides all necessary functions for converting a standard CMOS SRAM into nonvolatile read/write memory.

●A precision comparator monitors the 5V VCCinput for an out-of-tolerance condition. When out of tolerance is detected, a conditioned chip-enable output is forced inactive to write protect any standard CMOS SRAM.

●Features

●➤Power monitoring and switching for 3-volt battery-backup applications

●➤Write-protect control

●➤3-volt primary cell inputs

●➤Less than 10ns chip-enable propagation delay

●➤5% or 10% supply operation