# programmable metallization cell

> new memory technology that uses copper nanowires

**Wikidata**: [Q1075992](https://www.wikidata.org/wiki/Q1075992)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Programmable_metallization_cell)  
**Source**: https://4ort.xyz/entity/programmable-metallization-cell

## Summary
Programmable metallization cell (PMC) is a new memory technology that uses copper nanowires. It is classified as a type of non-volatile random-access memory (NVRAM), meaning it retains data without power.

## Key Facts
- **Aliases**: PMC, CBRAM, conductive-bridging RAM, conductive-bridging random-access memory
- **Classification**: Subclass of non-volatile random-access memory
- **Core Technology**: Utilizes copper nanowires for its operation
- **Wikipedia Presence**: Has entries in 5 languages (ca, en, fr, sv, zh)
- **Freebase ID**: /m/03cpw8v
- **Microsoft Academic ID (Discontinued)**: 68183290
- **Wikidata Description**: Described as "new memory technology that uses copper nanowires"
- **Sitelink Count**: 5 (Wikidata)

## FAQs
### Q: What is a programmable metallization cell (PMC)?
A: A programmable metallization cell (PMC) is a new memory technology that uses copper nanowires. It is a type of non-volatile random-access memory (NVRAM).

### Q: How does PMC memory work?
A: The source material describes PMC as using copper nanowires, but does not provide further details on its specific operational mechanism.

### Q: What are the main advantages of PMC memory?
A: The source material does not specify the advantages of PMC memory beyond its classification as non-volatile RAM and its use of copper nanowires.

### Q: How does PMC compare to DRAM or SRAM?
A: Unlike DRAM and SRAM, which are volatile memory types requiring constant power to maintain data, PMC is classified as non-volatile random-access memory, meaning it retains information when power is turned off.

### Q: What other names is PMC known by?
A: PMC is also known by the aliases CBRAM, conductive-bridging RAM, and conductive-bridging random-access memory.

## Why It Matters
Programmable metallization cell (PMC) represents an advancement in memory technology as a non-volatile alternative to traditional volatile RAM types like DRAM and SRAM. Its core innovation lies in the use of copper nanowires, potentially offering a different approach to data storage and retention. As a subclass of non-volatile random-access memory, PMC contributes to the ongoing development of memory solutions that overcome the power consumption limitations of volatile memory, aiming for faster access times or different performance characteristics compared to existing NVRAM technologies. Its existence highlights the exploration of novel materials and mechanisms for next-generation memory.

## Notable For
- **Novel Material Use**: Utilizes copper nanowires as a core component, distinguishing it from other memory technologies.
- **Non-Volatile RAM Classification**: Belongs to the class of non-volatile random-access memory, contrasting with volatile DRAM and SRAM.
- **Alternative NVRAM Approach**: Represents a distinct type of conductive-bridging RAM (CBRAM) technology within the broader NVRAM landscape.

## Body
### Classification and Overview
Programmable metallization cell (PMC) is a specific type of memory technology. It is classified under the broader class of non-volatile random-access memory (NVRAM). This classification means it retains stored data even when power is removed, unlike volatile memory types such as dynamic random-access memory (DRAM) and static random-access memory (SRAM).

### Technical Identity
PMC is also known by several aliases: CBRAM, conductive-bridging RAM, and conductive-bridging random-access memory. Its core technological feature, as described in the source material, is the use of copper nanowires. It is identified by the Freebase ID `/m/03cpw8v` and the discontinued Microsoft Academic ID `68183290`.

### Recognition and Documentation
The entity has a presence on Wikipedia, with articles available in five languages: Catalan (ca), English (en), French (fr), Swedish (sv), and Chinese (zh). Its Wikidata entry describes it as "new memory technology that uses copper nanowires". The Wikidata entity has 5 sitelinks.

## References

1. Freebase Data Dumps. 2013