(China (Mainland))
Product Summary
The FM31256-G is a integrated processor companion with memory. It includes the most commonly needed functions for processor-based systems. Major features include nonvolatile memory available in various sizes, realtime clock, low-VDD reset, watchdog timer, nonvolatile event counter, lockable 64-bit serial number area, and general purpose comparator that can be used for an early power-fail (NMI) interrupt or other purpose. It operates from 2.7 to 5.5V.
Parametrics
Absolute maximum ratings: (1)VDD, Power Supply Voltage with respect to VSS: -1.0V to +7.0V; (2)VIN, Voltage on any signal pin with respect to VSS: -1.0V to +7.0V and VIN ≤ VDD+1.0V; (3)VBAK, Backup Supply Voltage: -1.0V to +4.5V; (4)TSTG, Storage Temperature: -55℃ to +125℃; (5)TLEAD, Lead Temperature (Soldering, 10 seconds): 260℃; (6)Package Moisture Sensitivity Level: MSL-2.
Features
Features: (1)High Integration Device Replaces Multiple Parts; (2)Ferroelectric Nonvolatile RAM; (3)Real-time Clock/Calendar; (4)Processor Companion; (5)Fast Two-wire Serial Interface; (6)Easy to Use Configurations.
Diagrams
| Image | Part No | Mfg | Description |  |
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 FM31256-G |
Ramtron |
F-RAM 256K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
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FM31256-GTR |
Ramtron |
F-RAM 256K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
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