Ramtron FM31T374
The FM31T37x 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. The real-time clock (RTC) provides time and date information in BCD format.| Part No. | FM31T374 |
|---|---|
| Datasheet | FM31T374 Download |
| Manufacturer |  Ramtron |
| Description | System Supervisor & Temperature Compensated RTC |
| Buy | Stock & Price |
FEATURES
High Integration Device Replaces Multiple Parts● Real-time Clock (RTC) o Embedded 32.768kHz Crystal o Temperature Compensated
● 32.768 kHz Clock Output
● Low-VDD Detection Drives Reset
● Watchdog Timer
● Early Power-Fail Warning/NMI
● Two 16-bit Event Counters with Event Driven Interrupt Output
● 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
● Temp-Compensated Using On-Chip Sensor o 5 ppm over -40°C to +85°C o Accuracy 2 ½ min. per year
● Backup Current 1.4 A (max.) at +25C
● Seconds through Centuries in BCD format
● Tracks Leap Years through 2099
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● No External Crystal Required Offset Register to Correct for Crystal Aging Supports Battery or Capacitor Backup Processor Companion
● 32.768 kHz Clock Output
● Active-low Reset Output for VDD and Watchdog
● Programmable VDD Reset Trip Point
● Manual Reset Filt...
