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FM33256B-G

Name: FM33256B-G
Rating: 4.7 (12 reviews)

IC PROCESSOR COMPANION 14-SOIC

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規格

Part Status	Discontinued at Digi-Key
DigiKey Programmable	Not Verified
Type	Processor Companion
Applications	Processor-Based Systems
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package	14-SOIC
Base Product Number	FM33256

概述

Description

FM33256B-G is a high-performance, low-power flash memory chip designed for various applications in consumer electronics, automotive systems, and industrial devices. It typically features a storage capacity of 256 Kbits (32 Kbytes), making it suitable for firmware storage, configuration settings, and data logging. The device operates on standard voltage levels, ensuring compatibility with a wide range of microcontrollers and processors.
Key attributes include fast read and write speeds, reliability, and endurance, often with data retention specifications exceeding 20 years. Its interface generally supports SPI (Serial Peripheral Interface), which allows for easy integration into existing systems. The FM33256B-G is also known for its low power consumption, making it ideal for battery-operated devices.
In summary, FM33256B-G is a versatile memory solution that combines efficiency with performance, making it a preferred choice for developers looking to add non-volatile memory capabilities to their electronic projects.

Features

The FM33256B-G is a non-volatile ferroelectric random access memory (FRAM) device. Key features include:
1. Memory Capacity: 256 Kbit (32 K x 8 bits).
2. High Endurance: Supports over 10 trillion read/write cycles, making it highly durable.
3. Fast Access Times: Offers quick write speeds of around 45 ns and read speeds of approximately 35 ns.
4. Low Power Consumption: Operates with minimal power, suitable for battery-powered applications.
5. Non-volatile Storage: Retains data without power, ensuring data integrity during power loss.
6. Wide Voltage Range: Operates typically at 2.0V to 3.6V, making it versatile for various applications.
7. Simple Interface: Uses a standard SPI (Serial Peripheral Interface) for easy integration into systems.
8. Temperature Range: Designed for operation in extended temperature ranges, enhancing reliability in diverse environments.
Ideal for applications requiring frequent data logging, such as industrial automation, consumer electronics, and IoT devices.

Package

The FM33256B-G is available in a 16-pin SOIC (Small Outline Integrated Circuit) package type. This package is characterized by its surface mount design, which allows for efficient space utilization in electronic circuits.

Pinout

The FM33256B-G is a 256Kb (32K x 8) non-volatile SRAM (nvSRAM) with a total of 28 pins.
### Pin Count and Functions:
1. A0 - A14 (15 pins): Address inputs for selecting memory locations.
2. DQ0 - DQ7 (8 pins): Data input/output lines.
3. WE (1 pin): Write enable input for initiating write operations.
4. OE (1 pin): Output enable input to control data output.
5. CE (Chip Enable, 1 pin): Activates the memory device.
6. WP (Write Protect, 1 pin): Protects memory from unintended writes.
7. VCC (1 pin): Power supply pin.
8. GND (1 pin): Ground reference.
9. NC (Not Connected, 1 pin): No internal connection.
The FM33256B-G combines the speed of SRAM with the non-volatility of Flash memory, making it suitable for applications requiring fast data access and retention during power loss.

Manufacturer

The FM33256B-G is manufactured by Fremont Micro Devices, Inc. This company specializes in producing non-volatile memory products, particularly ferroelectric RAM (FeRAM) devices. FeRAM technology offers fast read and write times, low power consumption, and high endurance, making it suitable for applications in telecommunications, automotive, and industrial sectors. Fremont Micro Devices focuses on innovative memory solutions that cater to various market needs, emphasizing reliability and performance in their products.

Application

The FM33256B-G is a high-performance, low-power real-time clock (RTC) with a built-in crystal oscillator. Its application areas include consumer electronics, industrial automation, automotive systems, smart meters, and IoT devices. It is used for timekeeping in applications requiring accurate time and date tracking, power management, and wake-up functions in battery-operated devices.

Equivalent

The FM33256B-G chip is a F-RAM (Ferroelectric RAM) device. Equivalent products include the Cypress FM25L256, Micron MT25QL256, and STMicroelectronics M95M02. Always verify specifications and compatibility for precise applications, as variations may exist in features and performance.