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With a capacity of 256k, FM25W256-G is a F-RAM SPI FRAM that operates on voltages ranging from 3 to 5V

Quantity Unit Price(USD) Ext. Price
1 $3.499 $3.50
10 $3.064 $30.64
30 $2.804 $84.12
100 $2.543 $254.30
500 $2.421 $1,210.50
1000 $2.366 $2,366.00


*The price is for reference only.
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Please submit RFQ for FM25W256-G or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of FM25W256-G

The FM25W256-G is a 256K-bit (32K-byte) serial flash memory module manufactured by Cypress Semiconductors. It features a SPI interface with a fast clock speed of up to 104 MHz, allowing for high-speed data transfer. The module operates within a wide voltage range from 1.65V to 3.6V, making it suitable for a variety of applications.The FM25W256-G supports advanced security features, including a unique, factory-programmed 64-bit serial number and a 64-bit one-time programmable (OTP) area for storing secure data. It also includes a hardware write protect function to prevent unauthorized write access to the memory.This flash memory module offers high reliability with a minimum of 100,000 erase/write cycles and a data retention period of 20 years. It is designed for use in industrial and automotive environments, with an extended temperature range of -40°C to +85°C.

Key Features

  • 256Mb serial flash memory
  • Wide voltage range: 2.3V to 3.6V
  • High-speed SPI interface
  • Low standby current: 5uA
  • Page program time: 0.7ms (typical)
  • Erase time: 0.7s (typical)


  • Automotive industry for storing data in electronic control units
  • Industrial applications for data logging and configuration storage
  • Medical devices for saving patient information and sensor data
  • Consumer electronics for storing firmware and user settings
  • Security systems for storing access control lists and event logs


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

functionalPacking TUBE addProductInfo 256 Kbit,20 MHz ,2.7V-5.5V, Industrial(85C)
packageNameMarketing SOIC-8 (51-85066) msl 3
halogenFree undefined customerInfo STANDARD
fgr D42 productClassification COM
productStatusInfo active and preferred hfgr C
packageName PG-DSO-8 pbFree yes
moistureProtPack DRY orderingCode SP005657343
fourBlockPackageName PG-DSO-8-802 rohsCompliant yes
opn FM25W256-G completelyPbFree undefined
sapMatnrSali SP005657343

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