# 172 series integrated circuits

> pMOS logic

**Wikidata**: [Q131730723](https://www.wikidata.org/wiki/Q131730723)  
**Source**: https://4ort.xyz/entity/172-series-integrated-circuits

## Summary
The 172 series integrated circuits are a Soviet model series of integrated circuits sharing the same part prefix, developed by NPO Krystall in collaboration with КНИИМП. These circuits are classified as PMOS logic and were first introduced in 1968, adhering to Soviet integrated circuit designation standards.

## Key Facts
- The 172 series is a model series of integrated circuits with a shared part prefix.
- These circuits are classified as PMOS logic.
- Developed by NPO Krystall in collaboration with КНИИМП.
- First introduced in 1968.
- Complies with Soviet integrated circuit designation standards.
- Primarily used in computers.
- Packaged in dual in-line packages.
- Described at http://www.155la3.ru/k172.htm.
- Originated in the Soviet Union.
- Said to be the same as the 178 series integrated circuits, as referenced in the same source.
- Includes an image of the series: https://commons.wikimedia.org/wiki/Special:FilePath/К1ЛБ721_МОП-логика,_Квазар_1971_(01).jpg.

## FAQs
**What type of technology does the 172 series use?**
The 172 series is based on PMOS logic, a type of integrated circuit technology.

**Who developed the 172 series integrated circuits?**
The 172 series was developed by NPO Krystall in collaboration with КНИИМП.

**In what year were the 172 series integrated circuits introduced?**
The 172 series was first introduced in 1968.

**What is the packaging format for the 172 series?**
The 172 series is packaged in dual in-line packages.

**Where can I find more detailed information about the 172 series?**
Additional information can be found at http://www.155la3.ru/k172.htm.

**What is the relationship between the 172 and 178 series integrated circuits?**
The 172 series is said to be the same as the 178 series, as referenced in the same source material.

## Why It Matters
The 172 series integrated circuits represent a significant contribution to Soviet electronics, particularly in the field of PMOS logic. Their development in 1968 marked an important milestone in the country's integrated circuit production, adhering to Soviet standards and contributing to the advancement of computer technology. By using dual in-line packaging, these circuits were designed for compatibility with broader electronic systems, ensuring their relevance in early computing applications.

## Notable For
- Being the first Soviet PMOS logic integrated circuit series introduced in 1968.
- Adhering to Soviet integrated circuit designation standards.
- Packaged in dual in-line packages for broad compatibility.
- Said to be functionally equivalent to the 178 series, as per referenced documentation.
- Originating from the Soviet Union, reflecting the country's early contributions to integrated circuit technology.

## Body
### History
The 172 series integrated circuits were developed by NPO Krystall in collaboration with КНИИМП, marking a significant milestone in Soviet electronics. Introduced in 1968, these circuits were designed as part of a broader effort to advance integrated circuit technology within the Soviet Union. The series complies with Soviet integrated circuit designation standards, ensuring compatibility with existing systems and facilitating adoption across various applications.

### Technology
The 172 series is classified as PMOS logic, a type of integrated circuit technology that was prominent in early electronic systems. These circuits are packaged in dual in-line packages, which allowed for broad compatibility with existing electronic components. The use of PMOS logic in the 172 series contributed to the series' reliability and performance in early computing applications.

### Applications
The 172 series integrated circuits were primarily used in computers, reflecting their role in supporting early computing infrastructure. Their adherence to Soviet standards and packaging format ensured that they could be integrated into a wide range of electronic systems, making them a valuable resource for Soviet electronics development.

### Related Series
The 172 series is said to be the same as the 178 series integrated circuits, as referenced in the same source material. This relationship suggests a shared design or functional equivalence between the two series, further highlighting the interconnectedness of Soviet integrated circuit development.

### Documentation and Resources
Additional information about the 172 series can be found at http://www.155la3.ru/k172.htm, which provides detailed descriptions and images of the series. An image of the 172 series, titled "К1ЛБ721_МОП-логика,_Квазар_1971_(01).jpg," is available on Wikimedia Commons, offering visual documentation of the series.

### Country of Origin
The 172 series integrated circuits originated in the Soviet Union, reflecting the country's early contributions to integrated circuit technology. Their development and introduction in 1968 were part of a broader Soviet effort to advance electronics and computing capabilities.

## References

1. [Source](http://www.155la3.ru/k172.htm)