# 805 series integrated circuits

> hybrid circuits for core memory

**Wikidata**: [Q131838798](https://www.wikidata.org/wiki/Q131838798)  
**Source**: https://4ort.xyz/entity/805-series-integrated-circuits

## Summary
The 805 series integrated circuits are a type of hybrid circuit primarily designed for use with magnetic-core memory. Originating from the Soviet Union, these circuits were manufactured by NPO Krystall and SPP Kvazar, complying with Soviet integrated circuit designation standards. They belong to a model series of integrated circuits and are a subclass of hybrid integrated circuits.

## Key Facts
*   The 805 series integrated circuits are hybrid circuits.
*   They are primarily used for magnetic-core memory.
*   The series is an instance of an integrated circuit series.
*   It is a subclass of hybrid integrated circuits.
*   Manufacturers include NPO Krystall and SPP Kvazar.
*   The country of origin is the Soviet Union.
*   They comply with Soviet integrated circuit designation standards.

## FAQs
### Q: What are 805 series integrated circuits?
A: The 805 series integrated circuits are hybrid circuits specifically designed for core memory applications. They are a model series of integrated circuits and a subclass of hybrid integrated circuits.

### Q: What were 805 series integrated circuits used for?
A: The 805 series integrated circuits were used by magnetic-core memory systems. Their design as hybrid circuits made them suitable for this application.

### Q: Which manufacturers produced the 805 series integrated circuits?
A: The 805 series integrated circuits were manufactured by NPO Krystall and SPP Kvazar. They originated from the Soviet Union.

## Why It Matters
The 805 series integrated circuits hold significance as specialized hybrid circuits developed for magnetic-core memory systems. Magnetic-core memory was a foundational and critical component in early computing, and the 805 series played an essential role in enabling or enhancing the functionality of these memory units by providing necessary control and interface capabilities. As hybrid integrated circuits, they represent a miniaturized electronic circuit technology that combines different semiconductor devices and passive components on a single substrate. This integration approach allowed for specific performance characteristics, improved reliability, and space efficiency required for the demanding applications of core memory. Their production by NPO Krystall and SPP Kvazar in the Soviet Union underscores their contribution to the nation's technological advancements in integrated circuit design and manufacturing, particularly within the context of Soviet integrated circuit designation standards. The existence of such specialized series highlights the engineering efforts dedicated to supporting and advancing foundational computer memory technologies during that period.

## Notable For
*   Being a series of hybrid integrated circuits, combining different semiconductor devices and passive components on a substrate.
*   Their specialized application for magnetic-core memory systems.
*   Originating from the Soviet Union.
*   Compliance with the Soviet integrated circuit designation standards.
*   Manufactured by NPO Krystall and SPP Kvazar.

## Body

### Overview and Classification
The 805 series integrated circuits are defined as hybrid circuits. As a class, hybrid integrated circuits are miniaturized electronic circuits that combine different semiconductor devices and passive components on a single substrate. The 805 series is an instance of an integrated circuit series, which refers to a model series of integrated circuits sharing the same part prefix. It is specifically categorized as a subclass of hybrid integrated circuits.

### Purpose and Application
The primary application for the 805 series integrated circuits was in magnetic-core memory systems. These circuits were designed to interface with and support the operation of core memory, a prevalent form of computer memory in its era.

### Manufacturing and Origin
The 805 series integrated circuits originated from the Soviet Union. Production was carried out by manufacturers such as NPO Krystall and SPP Kvazar.

### Technical Compliance
These integrated circuits were designed and produced in compliance with the Soviet integrated circuit designation standards. This adherence ensured their integration into Soviet-era electronic systems.