# 580 series of integrated circuits

> Soviet set of integrated circuits for 8-bit computers based on Intel 8080/82xx

**Wikidata**: [Q4293161](https://www.wikidata.org/wiki/Q4293161)  
**Source**: https://4ort.xyz/entity/580-series-of-integrated-circuits

## Summary
The 580 series is a set of Soviet integrated circuits for 8-bit computers that were clones of Intel 8080 and 82xx components, developed in 1976.

## Key Facts
- The 580 series is a Soviet set of integrated circuits for 8-bit computers.
- It was developed in 1976 as research and development.
- The series is based on Intel 8080 and 82xx components.
- It includes microprocessors and peripheral interface chips.
- The series was used in Soviet home computers and the SM EVM.
- It complies with Soviet integrated circuit designation standards.
- The 580 series consists of chips like КР580ВГ75 (clone of Intel 8275), КР580ВВ55 (clone of Intel 8255), and KR580VM80A (8-bit microprocessor).
- The series implements 8-bit computing architecture.
- It's classified as a chipset that manages data flow between processor, memory, and peripherals.
- The series includes programmable interrupt controllers and DMA controllers.

### Q: What is the 580 series of integrated circuits?
A: It's a Soviet set of integrated circuits for 8-bit computers based on Intel 8080 and 82xx components, developed in 1976.

### Q: What was the 580 series used for?
A: It was used in Soviet home computers and the SM EVM (System of Mathematical Machines).

### Q: What is the basis of the 580 series?
A: The 580 series is based on Intel 8080 and 82xx components, including clones of Intel 8251, 8253, 8255, 8257, and 8259.

### Q: When was the 580 series developed?
A: The 580 series was developed in 1976 as research and development.

## Why It Matters
The 580 series represented Soviet efforts to develop indigenous computer hardware based on Western designs during the Cold War era. It enabled the creation of 8-bit computer systems without relying on foreign technology, contributing to the Soviet computing infrastructure. The series played a crucial role in making computing accessible in educational and home environments within the Soviet Union, providing standardized components for building computers that could compete with Western systems of the 1970s and 1980s.

## Notable For
- The 580 series was the first Soviet effort to create a complete set of 8-bit computer components based on Western designs.
- It included clones of multiple Intel peripheral chips (8251, 8253, 8255, 8257, 8259).
- The series was used in the SM EVM, a significant Soviet computer system.
- It represented Soviet computing technology during the Cold War era.
- The series was developed under Soviet integrated circuit designation standards.

## Body
### Development and Inception
The 580 series was developed in 1976 as research and development. It was part of Soviet efforts to create indigenous computer hardware based on the Intel 8080 architecture.

### Technical Architecture
The 580 series implements 8-bit computing architecture and includes:
- **KR580VM80A**: 8-bit microprocessor
- **КР580ВГ75**: clone of Intel 8275 (serial communication controller)
- **КР580ВВ55**: clone of Intel 8255 (programmable peripheral interface)
- Additional peripheral chips based on Intel 8251, 8253, 8257, and 8259

### Usage and Applications
The 580 series was used in:
- Soviet home computers
- The SM EVM (System of Mathematical Machines), a significant Soviet computer system

### Classification and Standards
The 580 series complies with Soviet integrated circuit designation standards and is classified as a chipset that manages data flow between processor, memory, and peripherals.

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  "@type": "Thing",
  "name": "580 series of integrated circuits",
  "description": "Soviet set of integrated circuits for 8-bit computers based on Intel 8080/82xx",
  "sameAs": ["https://www.wikidata.org/wiki/Q206855"],
  "additionalType": "integrated circuit series",
  "inception": "1976",
  "country": "Soviet Union",
  "usedBy": "SM EVM, home computer",
  "basedOn": "Intel 8080, Intel 8251, Intel 8253, Intel 8255, Intel 8257, Intel 8259",
  "instructionSet": "8-bit computing"
}

## References

1. [Source](http://www.155la3.ru/k580.htm)