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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Infineon Technologies FM25V02-GTR

Name: FM25V02-GTR
Brand: Infineon Technologies
SKU: FM25V02-GTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: FM25V02-GTR

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: FM25V02-GTR.pdf

Description:: IC FRAM 256KBIT SPI 40MHZ 8SOIC

Quantity:: RFQ Add To RFQ list

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Inventory:3,312

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Product details

Overview

FM25V02-GTR from Cypress Semiconductor is a 256-Kbit (32 K × 8) serial SPI F-RAM nonvolatile memory with NoDelay™ writes, 10¹⁴ read/write endurance, and 151-year data retention. It operates from 2.0 V to 3.6 V over –40 °C to +85 °C and replaces serial EEPROM/flash in real-time data logging, industrial control registers, and metering calibration storage.

For engineers reviewing the FM25V02-GTR datasheet, FM25V02-GTR pinout, FM25V02-GTR application, or FM25V02-GTR equivalent, key selection criteria include write latency (zero wait states), SPI mode 0/3 compatibility, hardware/software write protection granularity, and industrial-grade voltage/temperature margins.

Technical Context

The FM25V02-GTR implements a ferroelectric memory array accessed via standard SPI protocol with no internal write cycles or polling-data commits at bus speed. Its status register controls block protection (1/4, 1/2, or full array), WPEN bit enables hardware write protect, and Device ID provides manufacturer/product identification.

It supports dual-package options: 8-pin SOIC and 8-pin DFN, both with identical pin functions and timing. The HOLD pin suspends ongoing transfers without clock interruption, and CS deactivation places the device in 90 µA standby mode-critical for low-power edge nodes.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory density	256 Kbit (32 K × 8) - supports up to 32,768 unique byte-addressable locations
Interface	SPI (modes 0 and 3) - direct drop-in replacement for legacy SPI EEPROM/flash without firmware changes
Max clock frequency	40 MHz - enables 4 MB/s sustained write throughput with zero latency per byte
Write endurance	10¹⁴ cycles - 100 million × higher than typical EEPROM, enabling continuous sensor logging
Data retention	151 years at +85 °C - guaranteed nonvolatile storage without refresh or wear leveling
Supply voltage	2.0 V to 3.6 V - compatible with 2.5 V and 3.3 V microcontroller I/O domains
Operating temperature	–40 °C to +85 °C - qualified for industrial control, smart metering, and factory automation

Pinout & Package

FM25V02-GTR is available in two RoHS-compliant packages: 8-pin SOIC (3.9 mm × 4.9 mm) and 8-pin DFN (2 mm × 3 mm). Both share identical pin mapping and electrical behavior.

Pin/Terminal	Circuit Role	Design Meaning
CS	Chip Select input	Active-low enable; places device in standby (90 µA) when HIGH, initiates all SPI transactions on falling edge
SCK	Serial clock input	Synchronizes all SI/SO transfers; inputs latched on rising edge, outputs driven on falling edge
SI	Serial input	Receives opcodes, addresses, and write data; must be driven to valid logic level to meet IDD specs
SO	Serial output	Drives read data and status bits; tristated during HOLD or when CS is HIGH
WP	Write protect input	Hardware lock for status register writes when WPEN = 1; must tie to VDD if unused
HOLD	Bus hold input	Suspends active SPI transfer without clock stoppage; transitions only allowed while SCK = LOW
VDD	Power supply	2.0–3.6 V core and I/O supply; decoupling capacitor required per datasheet layout guidelines
VSS	Ground	Reference return path for all signals and power; requires low-impedance PCB connection

Key Features

Feature	Design Value
NoDelay™ write architecture	Eliminates write polling and timeout handling-byte-level writes complete before next SPI clock cycle
10¹⁴ endurance	Supports >27,000 writes/sec continuously for 10+ years-enables high-frequency telemetry buffering
Hardware + software write protection	WP pin blocks status register writes; WRSR instruction configures 1/4, 1/2, or full-array lock
SPI mode 0/3 compatibility	Interoperates with STM32, PIC, and NXP MCUs without clock polarity/inversion configuration changes
Low-power sleep mode	5 µA quiescent current-extends battery life in portable data loggers and wireless sensors

Applications

Industrial Data Logging

Smart Meter Calibration Storage

Use Scenario: Continuous timestamped sensor sampling in PLCs and environmental monitors.

IC Role / Device Role / Timing Role: Nonvolatile scratchpad for burst-write capture of analog/digital readings between host reads.

Use Value: Zero-latency writes prevent data loss during power interruption; 151-year retention ensures calibration integrity across product lifetime.

Use Scenario: Storing utility-grade metering constants, tariff tables, and firmware update flags.

IC Role / Device Role / Timing Role: Secure, tamper-resistant configuration memory with hardware WP pin lockdown.

Use Value: Block protection prevents accidental overwrite of critical calibration values; 10¹⁴ cycles support field reprogramming over 20+ years.

Medical Device Event History

Automotive ECU Parameter Backup

Use Scenario: Recording diagnostic events, fault codes, and usage timestamps in portable diagnostics tools.

IC Role / Device Role / Timing Role: High-reliability event buffer with deterministic write timing for FDA-compliant audit trails.

Use Value: Eliminates flash wear-out risk in battery-powered devices; 2.0 V operation supports brownout resilience during battery discharge.

Use Scenario: Storing adaptive learning parameters (e.g., fuel trim, throttle position offsets) in engine control units.

IC Role / Device Role / Timing Role: Fast-access backup memory synchronized with CAN message triggers.

Use Value: 40 MHz SPI enables sub-millisecond parameter saves after each driving cycle-no missed updates due to flash erase delays.

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial nonvolatile memory applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MB85RS2MT-FPN-GE1	Fujitsu 2-Mbit FRAM; same 2.0–3.6 V, –40 °C to +85 °C, but 50 MHz max SPI clock and 16-pin SOP package	Higher density (2 Mbit) suits larger configuration sets; larger footprint limits space-constrained designs	Select when >256 Kbit capacity is required and board area permits 16-pin SOP
AT25DF041A-SHN-T	Microchip 4-Mbit serial NOR flash; requires 25 ms erase/write cycles, 100K endurance, 20-year retention	Lacks zero-latency writes; unsuitable for burst logging or power-fail-safe capture	Accept only where cost dominates and write frequency is <100×/day

Compared with MB85RS2MT-FPN-GE1 and AT25DF041A-SHN-T, FM25V02-GTR uniquely delivers 10¹⁴ endurance with true bus-speed writes and 151-year retention in an industry-standard 8-pin SOIC/DFN-making it optimal for high-cycle, time-critical industrial and medical data capture.

Availability

FM25V02-GTR is available at Aetrix Electronics and suitable for industrial data logging, smart meter calibration storage, medical device event history, and automotive ECU parameter backup requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.

Supply support for FM25V02-GTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Cypress Semiconductor (now part of Infineon Technologies) designs high-reliability nonvolatile memory and programmable system-on-chip solutions for industrial, automotive, and IoT applications.

The FM25V02-GTR belongs to Cypress's F-RAM product line, engineered specifically to replace serial EEPROM and flash in applications demanding extreme write endurance, zero write latency, and guaranteed data retention without complex firmware overhead.

FAQ

Is FM25V02-GTR pin-compatible with standard SPI EEPROMs like AT25XXX series?

Yes-FM25V02-GTR uses identical 8-pin SOIC/DFN footprints and SPI command set (WREN, WRITE, READ, RDSR, WRSR) as common serial EEPROMs. No PCB redesign is needed; firmware requires only removal of write-polling loops due to NoDelay™ operation.

Does FM25V02-GTR require external high-voltage programming circuitry?

No-it operates entirely from a single 2.0–3.6 V supply. Unlike EEPROM or flash, F-RAM writes use standard I/O voltage levels with no charge pumps or elevated programming voltages, simplifying power design and reducing BOM count.

How does the HOLD pin function during an active SPI transaction?

When HOLD is pulled LOW during any SPI operation (read, write, or status access), the FM25V02-GTR immediately suspends data transfer and ignores further SCK/CS edges. The transaction resumes from the exact bit position when HOLD returns HIGH-enabling CPU context switching without data corruption.

Can FM25V02-GTR be used in systems with mixed 2.5 V and 3.3 V logic?

Yes-the device accepts VDD from 2.0 V to 3.6 V and maintains full SPI timing compliance across this range. Its I/O pins are CMOS-compatible and tolerate 3.3 V signals even at 2.5 V VDD, enabling seamless interface with mixed-voltage microcontrollers.

FM25V02-GTR Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: F-RAM™

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: Non-Volatile

Memory Format:: FRAM

Technology:: FRAM (Ferroelectric RAM)

Memory Size:: 256Kbit

Memory Organization:: 32K x 8

Memory Interface:: SPI

Clock Frequency:: 40 MHz

Write Cycle Time - Word, Page:: -

Access Time:: -

Voltage - Supply:: 2V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOIC

FM25V02-GTR FAQ

1.How can I place an order for FM25V02-GTR through Aetrix?

Please submit a Request for Quotation (RFQ) for FM25V02-GTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for FM25V02-GTR reliable?

The price and inventory of FM25V02-GTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FM25V02-GTR is usually 5 days.

3.What payment methods are accepted for FM25V02-GTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FM25V02-GTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for FM25V02-GTR?

FM25V02-GTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your FM25V02-GTR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for FM25V02-GTR?

For technical support, including FM25V02-GTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FM25V02-GTR requirements.

6.How does Aetrix verify that FM25V02-GTR is sourced from the original manufacturer or authorized distributors?

All FM25V02-GTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that FM25V02-GTR meets industry standards.

7.What is the process for return or replacement of FM25V02-GTR?

All FM25V02-GTR units undergo pre-shipment inspection (PSI). If there is an issue with FM25V02-GTR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The FM25V02-GTR part is unused and in its original packaging.

Return procedure for FM25V02-GTR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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