# 104 series integrated circuits

> early Soviet series of diode-transistor logic ICs

**Wikidata**: [Q119906745](https://www.wikidata.org/wiki/Q119906745)  
**Source**: https://4ort.xyz/entity/104-series-integrated-circuits

## Summary
The 104 series integrated circuits are an early Soviet series of diode-transistor logic ICs, part of the broader integrated circuit family. They were developed in 1965 and followed Soviet integrated circuit designation standards, marking a significant milestone in the Soviet Union's semiconductor technology.

## Key Facts
- **Inception**: 1965, as documented on [155la3.ru](http://www.155la3.ru/k104.htm).
- **Type**: Diode-transistor logic (DTL) integrated circuit series.
- **Classification**: Subclass of integrated circuits and diode–transistor logic.
- **Country of Origin**: Soviet Union.
- **Designation System**: Compliant with Soviet integrated circuit designation standards.
- **Image Available**: [K104LA1.jpg](https://commons.wikimedia.org/wiki/Special:FilePath/K104la1.jpg) on Wikimedia Commons.
- **Wikipedia Language**: Available in Commons.
- **Wikidata Description**: "Early Soviet series of diode-transistor logic ICs."

## FAQs
### Q: What was the 104 series used for?
A: The 104 series was part of the Soviet Union's early integrated circuit development, specifically designed for diode-transistor logic applications, which were common in early digital electronics.

### Q: Who developed the 104 series?
A: The exact developers are not specified, but the series was part of the Soviet Union's broader integrated circuit research and production efforts.

### Q: Where can I find more information about the 104 series?
A: Detailed information is available on [155la3.ru](http://www.155la3.ru/k104.htm), with additional images and documentation on Wikimedia Commons.

### Q: What makes the 104 series significant?
A: The 104 series represents an early achievement in Soviet semiconductor technology, contributing to the country's development of integrated circuits during the Cold War era.

### Q: Are there other similar Soviet IC series?
A: Yes, the 104 series is part of a broader classification of Soviet integrated circuit series, sharing the same part prefix and following similar designation standards.

## Why It Matters
The 104 series integrated circuits hold historical significance as part of the Soviet Union's early efforts in semiconductor technology. Developed in 1965, these diode-transistor logic ICs were a key component in the country's integrated circuit development, reflecting the era's advancements in digital electronics. Their existence underscores the Soviet Union's contributions to early microelectronics, despite the challenges of the Cold War. The series' compliance with Soviet integrated circuit designation standards also highlights the systematic approach to semiconductor production in the USSR. While not as widely documented as Western counterparts, the 104 series remains a notable entry in the annals of Soviet engineering and technology.

## Notable For
- **Early Soviet Semiconductor Development**: One of the first Soviet integrated circuit series, marking a milestone in the country's semiconductor research.
- **Diode-Transistor Logic**: Specialized in DTL, a common logic family in early digital circuits.
- **Soviet Designation Standards**: Followed the Soviet integrated circuit designation system, ensuring consistency in production.
- **Historical Documentation**: Well-documented on [155la3.ru](http://www.155la3.ru/k104.htm) and Wikimedia Commons, providing insights into Cold War-era technology.
- **Cold War Context**: Reflects the Soviet Union's independent efforts in microelectronics during the technological competition with the West.

## Body
### Origins and Development
The 104 series was developed in 1965, part of the Soviet Union's broader integrated circuit research. It was classified as a diode-transistor logic (DTL) series, a common logic family in early digital electronics. The series followed Soviet integrated circuit designation standards, ensuring consistency in production and classification.

### Technical Specifications
The exact technical specifications of the 104 series are not detailed in the provided source material, but it is part of a broader classification of integrated circuits. The series is subclassified under both integrated circuits and diode–transistor logic, indicating its specialized function.

### Historical Context
The 104 series represents a significant development in Soviet semiconductor technology, contributing to the country's independent advancements in microelectronics during the Cold War. While not as widely publicized as Western integrated circuit series, it played a role in the USSR's technological capabilities.

### Documentation and Availability
Detailed information about the 104 series is available on [155la3.ru](http://www.155la3.ru/k104.htm), with additional images and documentation on Wikimedia Commons. The series is also referenced in Wikidata, where it is described as an "early Soviet series of diode-transistor logic ICs."

### Legacy
The 104 series remains a notable entry in the history of Soviet engineering and technology, reflecting the country's efforts to develop integrated circuits independently. Its existence highlights the Soviet Union's contributions to early microelectronics, despite the challenges of the Cold War era.

## References

1. [Source](http://www.155la3.ru/k104.htm)