Part FM25040A
Description 4Kb FRAM Serial Memory
Manufacturer Ramtron International
Size 193.80 KB
Ramtron International
FM25040A

Overview

The FM25040A is a 4-kilobit nonvolatile memory employing an advanced ferroelectric process. A ferroelectric random access memory or FRAM is nonvolatile but operates in other respects as a RAM.

  • Organized as 512 x 8 bits
  • High Endurance 1 Trillion (1012) Read/Writes
  • 45 year Data Retention
  • NoDelayâ„¢ Writes
  • Advanced High-Reliability Ferroelectric Process Very Fast Serial Peripheral Interface - SPI
  • Up to 20 MHz maximum Bus Frequency
  • Direct hardware replacement for EEPROM
  • SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1) Sophisticated Write Protection Scheme
  • Hardware Protection
  • Software Protection Low Power Consumption