# Ferroelectric Floating Gate Random Access Memory
**Wikidata**: [Q18458158](https://www.wikidata.org/wiki/Q18458158)  
**Source**: https://4ort.xyz/entity/ferroelectric-floating-gate-random-access-memory

## Summary
Ferroelectric Floating Gate Random Access Memory is a specific subclass of Ferroelectric Random-Access Memory (FeRAM), distinguished by its unique identifier in the Google Knowledge Graph (/g/11b6cqhzwj) and its presence on the Japanese Wikipedia. As a variation of non-volatile memory, it utilizes the ferroelectric effect to retain stored information even when power is removed, differentiating it from volatile memory technologies like DRAM and SRAM. This technology functions as a low-density random access memory solution within the broader electronic device landscape.

## Key Facts
*   **Classification**: It is a subclass of Ferroelectric Random-Access Memory (FeRAM).
*   **Google Knowledge Graph ID**: /g/11b6cqhzwj.
*   **Wikipedia Presence**: The entity has a sitelink count of 1, specifically associated with the Japanese Wikipedia (language code: ja).
*   **Technology Type**: It is an electronic device utilizing the ferroelectric effect.
*   **Memory Type**: It is a form of non-volatile random-access memory.
*   **Data Retention**: Unlike DRAM and SRAM, it retains information when power is turned off.
*   **Density**: It is characterized as a low-density random access memory.
*   **Parent Class Aliases**: The parent class, FeRAM, is also known as F-RAM, FRAM, and ferroelectric RAM.

## FAQs
### Q: How does Ferroelectric Floating Gate Random Access Memory relate to standard FeRAM?
A: It is classified as a specific subclass of Ferroelectric Random-Access Memory (FeRAM), operating under the same fundamental principles of utilizing the ferroelectric effect for data storage.

### Q: What is the primary advantage of this memory technology over DRAM and SRAM?
A: The primary advantage is its non-volatility; it retains stored information without requiring continuous power, whereas DRAM and SRAM lose data when the power supply is removed.

### Q: Where can this specific entity be found in online knowledge bases?
A: This specific entity is tracked with the Google Knowledge Graph ID `/g/11b6cqhzwj` and maintains a presence on the Japanese Wikipedia, distinguishing it from the broader FeRAM class which has a wider multilingual presence.

## Why It Matters
Ferroelectric Floating Gate Random Access Memory matters because it represents a specialized categorization within the broader field of non-volatile memory technologies. By leveraging the ferroelectric effect, it addresses the critical limitation of volatility found in standard RAM technologies like DRAM and SRAM. This capability allows electronic systems to maintain data integrity through power cycles and unexpected power losses without relying on battery backups or slower storage mediums. While the broader FeRAM technology is known for low density, specific classifications like the "Floating Gate" variant allow for precise categorization in academic and industrial knowledge bases, aiding in the organization of electronic component data across different languages and platforms, such as the Japanese Wikipedia.

## Notable For
*   Being a distinct subclass of Ferroelectric Random-Access Memory.
*   Possessing a unique Google Knowledge Graph ID (/g/11b6cqhzwj).
*   Having a specific dedicated entry on the Japanese Wikipedia.
*   Utilizing the ferroelectric effect to achieve non-volatility.
*   Functioning as a low-density memory solution.

## Body

### Definition and Classification
Ferroelectric Floating Gate Random Access Memory is defined structurally as a **subclass of ferroelectric random-access memory**. It falls under the broader category of electronic devices that employ the ferroelectric effect to produce random access memory. As a memory technology, it is characterized as "low density" compared to other modern standards.

This entity is distinct in semantic databases; while it shares the core definition of FeRAM, it is identified by specific identifiers such as the **Google Knowledge Graph ID /g/11b6cqhzwj**. Its digital footprint indicates a specific relevance in Japanese technical contexts, evidenced by its sole Wikipedia language listing being **Japanese (ja)** with a **sitelink count of 1**.

### Technical Characteristics
As a derivative of FeRAM, this technology utilizes a ferroelectric layer within a floating gate structure (implied by the name) to store data.
*   **Non-Volatility**: The defining characteristic of this memory is its ability to retain stored information even when the power is turned off.
*   **Comparison to Volatile Memory**: It fundamentally differs from dynamic random-access memory (DRAM) and static random-access memory (SRAM), which are volatile and require continuous power to maintain data.
*   **Mechanism**: The device operates via the ferroelectric effect, a property of certain materials that maintain a stable electric polarization (state) without an applied electric field.

### Associated Identifiers and Data
The broader class of Ferroelectric Random-Access Memory (to which this entity belongs) is associated with a wide range of global identifiers and aliases, reflecting its established history in electronics.
*   **Aliases**: The technology is synonymous with FeRAM, F-RAM, FRAM, and ferroelectric RAM. Other linguistic aliases include Mémoire FRAM, Mémoire FeRAM, 铁电体存储器, сегнетоэлектрическая оперативная память, Memória FeRAM, and 에프램.
*   **External Authority IDs**:
    *   **GND ID**: 4830042-1
    *   **FODOC ID**: Ferroelectric+Random+Access+Memory
    *   **Freebase ID**: /m/06khb8
    *   **Yale LUX ID**: concept/7fe88776-3d0a-41d3-ad93-83cfcdb44842
    *   **Library of Congress Authority ID**: sh85047879
    *   **National Library of Israel J9U ID**: 987007529122905171
    *   **Encyclopædia Britannica Online ID**: topic/ferroelectric-random-access-memory
    *   **Encyclopedia of China (third edition) ID**: 124159

### Media and Online Presence
The technology is visually documented and discussed across various platforms.
*   **Wikipedia**: The parent class has a sitelink count of 19 across languages including English, German, Spanish, French, and others, whereas the specific "Ferroelectric Floating Gate" entity is linked specifically to the Japanese Wikipedia.
*   **Imagery**: An example of the hardware (specifically a RAMTRON FM18L08-70-SG-5631 chip) is available via Wikimedia Commons.