Infineon 256 kB SPI FRAM 8-Pin SOIC

RS Stock No.:: 188-5425
Mfr. Part No.:: FM25W256-G
Brand:: Infineon

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RS Stock No.:: 188-5425
Mfr. Part No.:: FM25W256-G
Brand:: Infineon

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Infineon
	Product Type	FRAM
	Memory Size	256kB
	Organisation	32K x 8 bit
	Interface Type	SPI
	Data Bus Width	8bit
	Maximum Random Access Time	20ns
	Mount Type	Surface
	Maximum Clock Frequency	20MHz
	Package Type	SOIC
	Pin Count	8
	Standards/Approvals	No
	Width	3.98mm
	Height	1.38mm
	Length	4.97mm
	Maximum Operating Temperature	85°C
	Minimum Supply Voltage	2.7V
	Minimum Operating Temperature	-40°C
	Number of Bits per Word	8
	Number of Words	32k
	Automotive Standard	AEC-Q100
	Maximum Supply Voltage	5.5V

	Select all
	Brand Infineon
	Product Type FRAM
	Memory Size 256kB
	Organisation 32K x 8 bit
	Interface Type SPI
	Data Bus Width 8bit
	Maximum Random Access Time 20ns
	Mount Type Surface
	Maximum Clock Frequency 20MHz
	Package Type SOIC
	Pin Count 8
	Standards/Approvals No
	Width 3.98mm
	Height 1.38mm
	Length 4.97mm
	Maximum Operating Temperature 85°C
	Minimum Supply Voltage 2.7V
	Minimum Operating Temperature -40°C
	Number of Bits per Word 8
	Number of Words 32k
	Automotive Standard AEC-Q100
	Maximum Supply Voltage 5.5V

Datasheet FM25W256-G

COO (Country of Origin):: US

Infineon FRAM, 256kB Memory Size, 32K x 8 bit Organisation - FM25W256-G

This FRAM is a non-volatile memory device designed for Serial Peripheral Interface environments, offering fast persistent storage for embedded systems. It operates across a broad supply range and is suitable for demanding electronic assemblies requiring compact surface-mount components and automotive-grade quality.

Features and Benefits:

• 20ns random access time enables rapid data retrieval in control loops
• 20MHz SPI operation supports high-throughput serial communication
• 256kB capacity provides ample persistent storage for logs
• 8-bit data bus simplifies microcontroller interfacing
• AEC‑Q100 qualification permits use in automotive electronic systems
• 2.7V to 5.5V supply range allows flexible power-rail integration

Applications

• Suitable for automotive control module non-volatile storage
• Ideal for industrial data-logging in harsh environments
• Used with microcontrollers requiring fast serial memory
• Can be used for configuration storage in networked devices
• Employed in sensor systems needing frequent writes

What package style should designers plan for on the PCB?

It is supplied in a surface-mount SOIC package with an 8-pin footprint suitable for automated placement.

How does the device handle temperature extremes in field installations?

The device is rated to operate between -40°C and 85°C, enabling use across typical industrial and vehicle ambient ranges.

How many addressable words and organisation does it provide?

Memory is organised as 32K words of 8 bits each, giving 32k addressable locations.

What pin count and bus width are presented for interface considerations?

The device uses an 8-pin package and presents an 8-bit data bus for straightforward parallel data grouping where applicable.

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