Ramtron FM31256
The FM31xxx is a family of integrated devices that includes the most commonly needed functions for processor-based systems. The family operates from 2.7 to 5.5V. Each FM31xxx provides nonvolatile RAM available in sizes including 4Kb, 16Kb, 64Kb, and 256Kb versions.| Part No. | FM31256 |
|---|---|
| Datasheet | FM31256 Download |
| Manufacturer |  Ramtron |
| Description | Integrated Processor Companion |
| Buy | Stock & Price |
FEATURES
High Integration Device Replaces Multiple Parts● Serial Nonvolatile Memory
● Real-time Clock (RTC)
● Low Voltage Reset
● Watchdog Timer
● Early Power-Fail Warning/NMI
● Two 16-bit Event Counters
● Serial Number with Write-lock for Security Ferroelectric Nonvolatile RAM
● 4Kb, 16Kb, 64Kb, and 256Kb versions
● Unlimited Read/Write Endurance
● 10 year Data Retention
● NoDelay™ Writes Real-time Clock/Calendar
● Backup Current under 1 µA
● Seconds through Centuries in BCD format
● Tracks Leap Years through 2099
● Uses Standard 32.768 kHz Crystal (6pF)
● Software Calibration
● Supports Battery or Capacitor Backup Processor Companion
● Active-low Reset Output for VDD and Watchdog
● Programmable VDD Reset Trip Point
● Manual Reset Filtered and De-bounced
● Programmable Watchdog Timer
● Dual Battery-backed Event Counter Tracks System Intrusions or other Events
● Comparator for Early Power-Fail Interrupt
● 64-bit Programmable Serial Number with Lock Fast Two-wire Serial Interface
● Up...
