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FM25256 - 256Kb FRAM Serial 5V Memory

General Description

The FM25256 is a 256-kilobit nonvolatile memory employing an advanced ferroelectric process.

A ferroelectric random access memory or FRAM is nonvolatile and performs reads and writes like a RAM.

Key Features

  • 256K bit Ferroelectric Nonvolatile RAM.
  • Organized as 32,768 x 8 bits.
  • Unlimited Read/Write Cycles.
  • 10 Year Data Retention.
  • NoDelay™ Writes.
  • Advanced High-Reliability Ferroelectric Process Very Fast Serial Peripheral Interface - SPI.
  • Up to 25 MHz Frequency.
  • Direct Hardware Replacement for EEPROM.
  • SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1) Write Protection Scheme.
  • Hardware Protection.
  • Software Protection Wide Oper.

📥 Download Datasheet

Datasheet Details

Part number FM25256
Manufacturer Ramtron
File Size 161.10 KB
Description 256Kb FRAM Serial 5V Memory
Datasheet download datasheet FM25256 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Pre-Production FM25256 256Kb FRAM Serial 5V Memory Features 256K bit Ferroelectric Nonvolatile RAM • Organized as 32,768 x 8 bits • Unlimited Read/Write Cycles • 10 Year Data Retention • NoDelay™ Writes • Advanced High-Reliability Ferroelectric Process Very Fast Serial Peripheral Interface - SPI • Up to 25 MHz Frequency • Direct Hardware Replacement for EEPROM • SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1) Write Protection Scheme • Hardware Protection • Software Protection Wide Operating Range • Wide Voltage Operation 4.0V – 5.5V Industry Standard Configurations • Industrial Temperature -40°C to +85°C • 8-pin SOIC (-S) • “Green” 8-pin SOIC (-G) Description The FM25256 is a 256-kilobit nonvolatile memory employing an advanced ferroelectric process.