FM30C256-S Datasheet

FM30C256-S 256Kb Data Collector

The FM30C256 is a 256-kilobit data collection subsystem including nonvolatile RAM, timekeeping, CPU supervisor, and system tamper detection. Nonvolatile RAM is provided by FRAM technology, which is ideal for collection data and requires no battery backup for nonvolatile storage. In other respects, i.

Features

256K bit Ferroelectric Nonvolatile RAM
• Organized as 32,768 x 8 bits
• High Endurance 10 Billion (1010) Read/Writes
• 10 year Data Retention
• NoDelay™ Writes
• Advanced High-Reliability Ferroelectric Process Fast Two-wire Serial Interface
• Up to 1 MHz Maximum Bus Frequency
• Supports Legacy Timing for 100 kHz & 400 kHz
• Clock Registers Accessed via 2-wire Interface Real-time Clock/Calendar
• Backup Current under 1 µA
• Tracks Seconds through Centuries (BCD format)
• Tracks Leap Years through 2099
• Uses Standard 32.768 kHz Crystal (6pF)
• Software Calibration System Supervisor
• Active-low.