# 850 series integrated circuits

> line of Soviet/Russian digital integrated circuits for avionics

**Wikidata**: [Q130435871](https://www.wikidata.org/wiki/Q130435871)  
**Source**: https://4ort.xyz/entity/850-series-integrated-circuits

## Summary
The 850 series integrated circuits are a line of Soviet and Russian digital integrated circuits specifically designed for use in avionics. Developed starting in 1980 by manufacturer Exiton, they comply with Soviet integrated circuit designation standards and played a key role in aerospace systems. These circuits supported both military and civilian aviation technologies during and after the Soviet era.

## Key Facts
- Developed by the Soviet Union and later Russia, with production starting in 1980.
- Primarily used in avionics for military and civilian aircraft systems.
- Manufactured by Exiton, a key Soviet semiconductor company.
- Complies with Soviet integrated circuit designation protocols.
- Classified as both digital integrated circuits and computer interface components.
- Image example: [850АФ3.jpg](https://commons.wikimedia.org/wiki/Special:FilePath/850АФ3.jpg).
- Part of the broader category of integrated circuit series with shared design prefixes.
- Associated with the commons category "850 series integrated circuits".

## FAQs
### Q: What were the 850 series integrated circuits used for?
A: The 850 series was designed for avionics, supporting electronic systems in both military and civilian aircraft, particularly in Soviet and Russian aerospace applications.

### Q: Who manufactured the 850 series integrated circuits?
A: The series was produced by Exiton, a Soviet and later Russian manufacturer of semiconductor devices.

### Q: When were the 850 series integrated circuits introduced?
A: The series was developed starting in 1980, aligning with Soviet efforts to advance domestic microelectronics for defense and aviation.

## Why It Matters
The 850 series integrated circuits were critical to the Soviet and Russian aviation industries, enabling the development of reliable digital systems for aircraft during a period of technological competition. By adhering to domestic design standards, these circuits reduced reliance on foreign technologies and supported the modernization of aerospace electronics. Their specialization for avionics highlights their role in ensuring operational stability in demanding environments, contributing to both military capabilities and civilian air transport. The series also reflects the broader Soviet strategy of creating standardized, interoperable components to streamline production and maintenance across complex systems.

## Notable For
- **Specialized Avionics Design**: Tailored for the rigorous demands of aircraft electronics, emphasizing reliability and durability.
- **Soviet Standard Compliance**: Adherence to national integrated circuit designation systems, ensuring interoperability within domestic aerospace infrastructure.
- **Manufacturer Heritage**: Produced by Exiton, a pivotal enterprise in the Soviet semiconductor industry, underscoring state-supported technological development.
- **Era Significance**: Embodied the 1980s push for digital integration in Soviet aviation, bridging analog and digital eras in aerospace engineering.

## Body
### Development and History
- **Introduction**: The 850 series was initiated in 1980 as part of Soviet efforts to advance indigenous microelectronics, particularly for defense and aviation sectors.
- **Manufacturer**: Exiton, a leading Soviet semiconductor firm, spearheaded production, leveraging state resources to meet military and civilian aviation needs.

### Technical Specifications
- **Functionality**: Digital integrated circuits designed for computer interfaces and avionics systems, ensuring compatibility with Soviet aerospace platforms.
- **Standards**: Strict adherence to Soviet designation protocols, facilitating seamless integration into existing and new aircraft designs.

### Applications
- **Military Aviation**: Used in radar, navigation, and communication systems for Soviet and Russian military aircraft.
- **Civilian Aviation**: Supported electronic systems in passenger and transport aircraft, emphasizing safety and reliability in domestic air fleets.

### Legacy
- **Post-Soviet Use**: Continued relevance in Russian aviation electronics post-1991, demonstrating adaptability to evolving aerospace requirements.
- **Historical Role**: Represents a key chapter in Soviet/Russian semiconductor history, showcasing efforts to achieve technological self-sufficiency during the Cold War and beyond.