FM25W256-GTR

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FM25W256-GTR

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IC FRAM 256KBIT SPI 20MHZ 8SOIC

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
Series F-RAM™
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat FRAM
Technology FRAM (Ferroelectric RAM)
MemorySize 256Kb (32K x 8)
MemoryInterface SPI
ClockFrequency 20 MHz
Voltage-Supply 2.7V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Visão Geral

Description

The FM25W256-GTR is a 256-Kilobit non-volatile ferroelectric random-access memory (F-RAM) product. It is designed for use in a variety of applications where high-performance, reliable, and energy-efficient data storage is needed. This F-RAM device stands out due to its fast write speed, low power consumption, and high endurance, allowing for virtually unlimited read/write cycles without wear-out concerns. It operates in a wide voltage range and supports a serial peripheral interface (SPI), making it suitable for microcontroller-based designs.
Key features include a 40 MHz SPI interface for efficient data transfer, data retention of over 10 years, and an endurance of 10^14 read/write cycles. The FM25W256-GTR is robust against data corruption, offering better reliability than traditional EEPROM or Flash memory. It is ideal for applications in metering, industrial control, automotive, telecommunications, and medical devices, where data integrity and quick access are critical. The device is available in a standard 8-pin small-outline integrated circuit (SOIC) package, ensuring ease of integration into existing hardware designs.

Equivalent

The FM25W256-GTR is a 256-Kbit F-RAM memory chip by Cypress Semiconductor. Equivalent products include:
1. MB85RS256TY by Fujitsu - A 256-Kbit SPI interface F-RAM.
2. MR25H256 by Everspin Technologies - A 256-Kbit SPI interface MRAM.
3. CY15B256Q by Cypress - Another 256-Kbit SPI F-RAM offering with similar specifications.
These alternatives offer similar non-volatile memory with fast write speeds and high endurance. Always verify the pin compatibility and electrical characteristics when considering replacements.

Features

The FM25W256-GTR is a non-volatile ferroelectric RAM (FRAM) chip designed for high-performance, low-power applications. Key features include:
1. Capacity: 256 kilobits (32K x 8).
2. Non-volatile: Retains data without power, with virtually unlimited read/write cycles.
3. Performance: No delay for read/write operations, similar to SRAM but non-volatile.
4. Interface: Uses a SPI interface for communication, supporting serial input and output.
5. Speed: Supports clock speeds up to 20 MHz for fast data access.
6. Endurance: Offers over 10 trillion (10^14) read/write cycles.
7. Supply Voltage: Operates within a range of 2.7V to 3.6V.
8. Low Power Consumption: Consumes much less power compared to EEPROM or Flash memory.
9. Package: Available in an 8-pin SOIC package.
10. Data Retention: Ensures data retention for over 10 years at 85°C.
11. Applications: Ideal for applications requiring frequent data logging, such as industrial control, metering, and medical devices.
These features make the FM25W256-GTR suitable for applications demanding reliable and enduring memory storage.

Pinout

The FM25W256-GTR is a 256-Kbit serial F-RAM (Ferroelectric Random Access Memory) device. It typically comes in an 8-pin SOIC package. The pin functions are as follows:
1. CS (Chip Select): Enables the device for communication.
2. SO (Serial Data Output): Outputs data to the controller.
3. WP (Write Protect): Protects the write operations in specific memory areas.
4. VSS: Ground reference.
5. SI (Serial Data Input): Inputs data from the controller.
6. SCK (Serial Clock): Synchronizes the data transfer.
7. HOLD: Pauses serial communication without resetting the device.
8. VDD: Power supply.
These pins facilitate communication and control of the F-RAM device using an SPI interface.

Manufacturer

The FM25W256-GTR is manufactured by Cypress Semiconductor. Cypress Semiconductor is a technology company that specializes in producing a wide range of semiconductor products, including memory solutions, microcontrollers, and connectivity devices. The company is known for its focus on innovative and high-performance solutions designed for various applications in automotive, industrial, consumer electronics, and IoT sectors.
Cypress Semiconductor offers products such as SRAM, NOR Flash, and FRAM (Ferroelectric RAM), among others. The FM25W256-GTR, being a part of their FRAM product line, is a non-volatile memory solution known for its fast write performance, high endurance, and low power consumption, making it suitable for applications that require frequent and rapid data logging or real-time data capture.
Cypress was acquired by Infineon Technologies in April 2020, so its products are now part of Infineon's portfolio, allowing them to further expand their presence in the automotive, industrial, and IoT markets. Infineon Technologies is a leading provider of semiconductor solutions focusing on energy efficiency, mobility, and security.

Application

The FM25W256-GTR is a 256-Kbit serial F-RAM (Ferroelectric RAM) memory device. Its application areas include:
1. Industrial Automation: Used for data logging and system configurations due to its high endurance and non-volatility.

2. Automotive Systems: Suitable for storing critical parameters and logs in harsh environments.
3. Medical Devices: Ensures reliable data retention in portable diagnostic equipment.
4. Energy Management: Employed in smart meters for secure, fast write operations.
5. Consumer Electronics: Used in applications requiring frequent and rapid updates, like gaming devices.
6. Security Systems: Ideal for event storage and configuration data in access control systems.
Its key attributes, such as fast write speeds and robustness, make it valuable in applications requiring reliable and frequent data updates.

Package

The FM25W256-GTR is a 256-Kb FRAM memory chip from Cypress Semiconductor. It is typically offered in an 8-pin small-outline integrated circuit (SOIC) package, which is designed for surface-mount technology (SMT). The specific package designation is "SOIC-8," which refers to an 8-lead SOIC package type.

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