FM25H20-DG

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FM25H20-DG

IC FRAM 2MBIT SPI 40MHZ 8TDFN

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規格

Package Tube
Series F-RAM™
ProductStatus Obsolete
MemoryType Non-Volatile
MemoryFormat FRAM
Technology FRAM (Ferroelectric RAM)
MemorySize 2Mb (256K x 8)
MemoryInterface SPI
ClockFrequency 40 MHz
Voltage-Supply 2.7V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-WDFN Exposed Pad

概述

Description

The FM25H20-DG is a non-volatile memory device from the FM25 series, specifically designed for applications requiring reliable data storage without power. It features 2 Mbit of memory capacity organized as 256 K x 8 bits. The device utilizes a ferroelectric RAM (FeRAM) technology, which allows for fast read and write cycles, typically comparable to SRAM speeds, while also providing unlimited read/write endurance typically not achievable with traditional flash memory.
Key features include low power consumption, high-speed access, and a wide operating temperature range, making it suitable for various applications in industrial, automotive, and consumer electronics. The FM25H20-DG communicates via a standard SPI (Serial Peripheral Interface), facilitating easy integration into existing systems. Its non-volatility ensures data retention even during power loss, making it ideal for applications like data logging, firmware storage, and configuration settings.
Overall, the FM25H20-DG is a robust solution for developers seeking efficient and reliable memory for embedded systems.

Features

The FM25H20-DG is a 256Kb (32K x 8) non-volatile ferroelectric RAM (FeRAM) memory device. Key features include:
1. Fast Access Time: Provides read and write speeds comparable to SRAM, with a typical access time of 70ns.
2. Low Power Consumption: Operates with low power, making it suitable for battery-operated devices.
3. Non-Volatility: Retains data without a power source, thanks to its ferroelectric technology.
4. High Endurance: Supports over 10 trillion read/write cycles, significantly surpassing traditional Flash memory.
5. Simple Interface: Utilizes SPI (Serial Peripheral Interface) for easy integration with microcontrollers.
6. Wide Operating Voltage: Compatible with 2.7V to 3.6V power supply, enhancing versatility in various applications.
7. Temperature Range: Operating temperature range from -40°C to 85°C, suitable for industrial applications.
These features make the FM25H20-DG ideal for applications requiring reliable data storage and fast access, such as automotive, industrial automation, and consumer electronics.

Package

The FM25H20-DG is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This type of package is commonly used for surface-mounted devices, providing a compact form factor suitable for various electronic applications.

Pinout

The FM25H20-DG is a 2-Mbit (256 K x 8) Ferroelectric Random Access Memory (FRAM) device. It features a total of 8 pins. The pin configuration and their functions are as follows:
1. SCK (Serial Clock): Input for the clock signal to synchronize data transfer.
2. SI (Serial Input): Input for data to be written to the memory.
3. SO (Serial Output): Output for data being read from the memory.
4. CS (Chip Select): Active-low signal to enable the device for communication.
5. WP (Write Protect): Input to protect the memory from write operations when high.
6. GND: Ground connection.
7. VCC: Power supply connection.
8. HOLD: Optional input to pause communication without releasing the chip.
The FM25H20-DG supports SPI-compatible interfaces, making it suitable for various applications requiring non-volatile memory with fast read and write capabilities.

Manufacturer

The FM25H20-DG is manufactured by Fujitsu Semiconductor, which is part of the larger Fujitsu Limited group. Fujitsu is a multinational information technology equipment and services company based in Japan. It specializes in semiconductor solutions and integrated circuits for various applications, including consumer electronics, automotive, and industrial devices. The FM25H20-DG specifically is a non-volatile memory device, often used in applications requiring data retention without power. Fujitsu Semiconductor focuses on developing advanced technologies in the semiconductor field, catering to a wide range of industries.

Application

The FM25H20-DG is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) used in various applications, including automotive systems, consumer electronics, industrial automation, and telecommunications. It is ideal for storing configuration data, calibration parameters, firmware updates, and other non-volatile data that requires fast access and reliability. Its low power consumption and robust performance make it suitable for portable devices and battery-operated systems.

Equivalent

The FM25H20-DG chip, a 2-Mbit FRAM (Ferroelectric RAM) memory device, is equivalent to other FRAM products such as the CY15B104K, MB85RS2MT, and DGL-FRAM-2M-3.3V. These chips offer similar specifications, such as memory capacity, interface (SPI), and operational voltage. Always verify compatibility with your specific application requirements.

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