Features
High Integration Device Replaces Multiple Parts
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Serial Nonvolatile Memory
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Real-time Clock (RTC) with Alarm
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Low VDD Detection Drives Reset
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Watchdog Window Timer
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Early Power-Fail Warning/NMI
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16-bit Nonvolatile Event Counter
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Serial Number with Write-lock for Security
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For more, see pdf.
Description
The FM33256B device integrates F-RAM memory with the most commonly needed functions for processor-based systems. Major features include nonvolatile memory, real-time clock, low-VDD reset, watchdog timer, nonvolatile event counter, lockable 64-bit serial number area, and general purpose comparator that can be used for a power-fail (NMI) interrupt or other purpose. The device operate from 2.7 to 3.6V.
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