(Hong Kong)
Product Summary
The FM31256-GTR is an integrated device that 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)VBAK, Backup Supply Voltage: -1.0V to +4.5V; (3)TSTG, Storage Temperature: -55℃ to + 125℃; (4)TLEAD, Lead Temperature (Soldering, 10 seconds): 260℃; (5)Package Moisture Sensitivity Level: MSL-1.
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 |  |
Pricing (USD) |
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 FM31256-GTR |
Ramtron |
F-RAM 256K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
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| Image | Part No | Mfg | Description | |
Pricing (USD) |
Quantity | ||||||||||||
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FM3100-W |
Rectron |
Schottky (Diodes & Rectifiers) 3A 100V Schottky |
Data Sheet |
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FM3104-G |
Ramtron |
Supervisory Circuits 4K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
Negotiable |
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FM3104-S |
Ramtron |
F-RAM 4K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
Negotiable |
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FM3104-STR |
Ramtron |
F-RAM 4K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
Negotiable |
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FM31256-G |
Ramtron |
F-RAM 256K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
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FM31278-G |
Ramtron |
F-RAM 256K w/RTC Pwr Mon WDT Bat Sw PF |
Data Sheet |
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