FM33256 - Ramtron International Corporation

FM33256 (FM3316 / FM33256) 3V Integrated Processor Companion

The FM33256 and FM3316 are devices that integrate FRAM 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) inte.

Features

High Integration Device Replaces Multiple Parts
• Serial Nonvolatile Memory
• Real-time Clock (RTC) with Alarm
• Low VDD Detection Drives Reset
• Watchdog Window Timer
• Early Power-Fail Warning/NMI
• 16-bit Nonvolatile Event Counter
• Serial Number with Write-lock for Security www.DataSheet4U.com Processor Companion
• Active-low Reset Output for VDD and Watchdog
• Programmable Low-VDD Reset Thresholds
• Manual Reset Filtered and Debounced
• Programmable Watchdog Window Timer
• Nonvolatile Event Counter Tracks System Intrusions or other Events
• Comparator for Power-Fail Interrupt or Other Us.