# R4400

> microprocesador MIPS

**Wikidata**: [Q65955273](https://www.wikidata.org/wiki/Q65955273)  
**Source**: https://4ort.xyz/entity/r4400

## Summary
The R4400 is a microprocessor and integrated circuit model based on the MIPS architecture, originally developed by MIPS Technologies. Introduced in 1992, it was manufactured by multiple technology firms, including Integrated Device Technology, NEC, and Toshiba.

## Key Facts
- **Instance of:** Integrated circuit model (subclass of microprocessor)
- **Developer:** MIPS Technologies
- **Inception:** 1992
- **Instruction Set:** MIPS architecture
- **Manufacturers:** Integrated Device Technology, NEC, and Toshiba
- **Description:** A MIPS microprocessor (described in Spanish sources as "microprocesador MIPS")
- **Manufacturer Context (NEC):** A Japanese technology corporation founded in 1899, headquartered in Tokyo.
- **Manufacturer Context (Toshiba):** A Japanese multinational conglomerate founded in 1875, headquartered in Minato, Japan.

## FAQs
### Q: What is the R4400?
A: The R4400 is a microprocessor and integrated circuit model that utilizes the MIPS architecture. It was developed by MIPS Technologies and released in 1992.

### Q: Who manufactured the R4400?
A: The R4400 was manufactured by three primary entities: Integrated Device Technology, NEC, and Toshiba.

### Q: When was the R4400 introduced?
A: The R4400 was introduced in 1992.

## Why It Matters
The R4400 represents a significant entry in the history of RISC (Reduced Instruction Set Computing) microprocessors. As a product of MIPS Technologies, it helped proliferate the MIPS architecture during the early 1990s, a period critical for the development of high-performance computing workstations and embedded systems. The processor's production model highlights a collaborative approach within the semiconductor industry; by utilizing third-party manufacturers like NEC and Toshiba, MIPS Technologies was able to leverage the advanced fabrication capabilities of established Japanese electronics giants.

NEC and Toshiba, both titans of the electronics industry with histories stretching back to the late 19th century, possessed the necessary infrastructure to produce these integrated circuits at scale. The R4400 stands as a specific example of how American processor designs were often licensed and manufactured by Japanese firms to achieve global distribution and technical refinement. Its existence underscores the cross-border nature of semiconductor development, linking Silicon Valley design (MIPS) with Japanese manufacturing prowess.

## Notable For
- **Architecture:** Utilizes the MIPS architecture, a standard in RISC computing.
- **Multi-Source Manufacturing:** Notable for being produced by three distinct major corporations (IDT, NEC, Toshiba), allowing for supply chain diversity.
- **Legacy Hardware:** Associated with the early 1990s era of computing development.
- **Corporate Pedigree:** Connects the MIPS ecosystem to historic Japanese conglomerates like Toshiba (founded 1875) and NEC (founded 1899).

## Body

### Development and Classification
The R4400 is classified as a microprocessor and an integrated circuit model. It was developed by MIPS Technologies, a company specializing in semiconductor intellectual property. The processor entered the market in 1992 and is built upon the MIPS architecture instruction set.

### Manufacturing Ecosystem
Unlike some processors manufactured exclusively by the developer, the R4400 was produced by a consortium of licensees and manufacturing partners:
*   **Integrated Device Technology (IDT):** A US-based semiconductor manufacturer.
*   **NEC:** A Japanese technology corporation headquartered in Tokyo. Founded in 1899, NEC operates in the information technology and electronics industries.
*   **Toshiba:** A Japanese multinational conglomerate corporation headquartered in Minato, Japan. Founded in 1875, Toshiba has a vast footprint in the electronics and electrical industries.

### Technical Identifiers
In technical databases and archives, the R4400 is identified as a distinct model of integrated circuit. Visual documentation of the hardware, such as images of the "Toshiba TC86R4400MC-200," confirms the physical production of these units by Toshiba. The entity has a limited but specific presence in Spanish-language Wikipedia resources ("microprocesador MIPS").