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FM3808

Part Number	FM3808
Manufacturer	ETC
Description	256Kb Bytewide FRAM w/ Real-Time Clock
Published	Mar 30, 2005
Detailed Description	Preliminary FM3808 256Kb Bytewide FRAM w/ Real-Time Clock Features 256K bit Ferroelectric Nonvolatile RAM • Organized a...
Datasheet	FM3808 PDF File

Overview

Preliminary FM3808 256Kb Bytewide FRAM w/ Real-Time Clock Features 256K bit Ferroelectric Nonvolatile RAM • Organized as 32,752 x 8 bits • High Endurance 100 Billion (1011) Read/Writes • 10 year Data Retention • NoDelay™ Writes • 70 ns Access Time/ 130 ns Cycle Time • Built-in Low VDD Protection Real-Time Clock/Calendar Function • Clock Registers in Top 16 bytes of Address Space • Backup Power from External Capacitor or Battery • Tracks Seconds through Centuries in BCD Format • Tracks Leap Years through 2099 • Runs from a 32.
768 kHz Timekeeping Crystal System Supervisor Function • Programmable Clock/Calendar Alarm • Programmable Watchdog Timer • Power Supply Monitor • Interrupt Output - Programmable active high/low • Control Settings Inherently Nonvolatile • Generates either Processor Reset or Interrupt Low Power Operation • 5V Operation for Memory and Clock Interface • Backup Voltage as low as 2.
5V • 25 mA IDD Active Current • 1 µA IBAK Clock Backup Current Description The FM3808 co...

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