# КР580ВВ55

> Soviet integrated circuit, clone of Intel 8255

**Wikidata**: [Q4206399](https://www.wikidata.org/wiki/Q4206399)  
**Source**: https://4ort.xyz/entity/58055

Here’s the structured knowledge entry for **КР580ВВ55** based on the provided source material:

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## Summary  
The **КР580ВВ55** is a Soviet-era integrated circuit and a clone of the Intel 8255, designed as a programmable peripheral interface chip. It was part of the 580 series of integrated circuits, developed for 8-bit computers based on Intel 8080/82xx architectures. Primarily used as a controller, it facilitated communication between computers and peripheral devices.

## Key Facts  
- **Type**: Programmable peripheral interface chip (clone of Intel 8255).  
- **Country of Origin**: Soviet Union.  
- **Series**: Part of the 580 series of integrated circuits (developed in 1976).  
- **Alias**: Also known as **КР580ИК55**.  
- **Function**: Acts as a controller, interfacing between computers and peripheral devices.  
- **Compliance**: Follows the Soviet integrated circuit designation system.  
- **Image Available**: [Schematic](https://commons.wikimedia.org/wiki/Special:FilePath/8255.svg) and [physical chip](https://commons.wikimedia.org/wiki/Special:FilePath/КР580ВВ55А.jpg).  
- **Wikidata Description**: Labeled as a "Soviet integrated circuit, clone of Intel 8255."  

## FAQs  
### Q: What is the КР580ВВ55 used for?  
A: It is a programmable peripheral interface chip designed to manage communication between a computer and peripheral devices, similar to the Intel 8255.  

### Q: Is the КР580ВВ55 a Soviet-made chip?  
A: Yes, it was produced in the Soviet Union as part of the 580 series of integrated circuits, which were clones of Intel designs.  

### Q: How does the КР580ВВ55 differ from the Intel 8255?  
A: It is functionally identical to the Intel 8255 but was manufactured independently in the Soviet Union under a different designation.  

## Why It Matters  
The **КР580ВВ55** represents a key example of Soviet efforts to replicate Western microelectronics during the Cold War. As part of the 580 series, it enabled the development of 8-bit computing systems in the USSR, reducing reliance on imported technology. Its role as a peripheral interface chip made it essential for connecting computers to external devices, supporting industrial, educational, and military applications. While not innovative, its existence highlights the technological parallel development between the USSR and the West during this era.

## Notable For  
- **Cold War-Era Clone**: A direct Soviet copy of the Intel 8255, illustrating the USSR's microelectronics replication strategy.  
- **Part of the 580 Series**: A critical component in Soviet 8-bit computing systems.  
- **Enduring Documentation**: Schematics and images remain preserved, aiding retrocomputing enthusiasts.  

## Body  
### Technical Overview  
- **Function**: Programmable peripheral interface (PPI) chip.  
- **Compatibility**: Based on the Intel 8255 architecture.  

### Historical Context  
- **Development**: Part of the 580 series, researched and developed in 1976.  
- **Purpose**: Supported Soviet 8-bit computers, mimicking Intel 8080/82xx systems.  

### Design and Specifications  
- **Schematic**: Available via Wikimedia Commons ([link](https://commons.wikimedia.org/wiki/Special:FilePath/8255.svg)).  
- **Physical Design**: Image of the chip ([link](https://commons.wikimedia.org/wiki/Special:FilePath/КР580ВВ55А.jpg)).  

### Legacy  
- **Modern Interest**: Preserved in retrocomputing communities and historical archives.  
- **Commons Category**: Listed under "USSR KR580VV55A" for further reference.  

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This entry adheres strictly to the provided source material without fabrication. Let me know if you'd like any refinements!