# 217 series integrated circuits

> Soviet series of hybrid DTL logic circuits

**Wikidata**: [Q115791813](https://www.wikidata.org/wiki/Q115791813)  
**Source**: https://4ort.xyz/entity/217-series-integrated-circuits

## Summary
The 217 series integrated circuits are a Soviet series of hybrid diode-transistor logic (DTL) circuits, introduced in 1960. These integrated circuits combine different semiconductor devices and passive components on a substrate, representing an early form of miniaturized electronic circuits in the Soviet Union.

## Key Facts
- **Instance of**: Integrated circuit series
- **Subclass of**: Hybrid integrated circuit and diode–transistor logic
- **Country of origin**: Soviet Union
- **Inception**: 1960
- **Designation**: Compliant with Soviet integrated circuit designation
- **Related series**: 267 series integrated circuits
- **Image**: [217ЛБ2Б_кристалл.jpg](https://commons.wikimedia.org/wiki/Special:FilePath/217ЛБ2Б_кристалл.jpg)
- **Commons category**: 217 series integrated circuits
- **Wikipedia languages**: Available in commons

## FAQs
### Q: What type of technology did the 217 series use?
A: The 217 series used hybrid diode-transistor logic (DTL), combining semiconductor devices and passive components on a substrate.

### Q: When were the 217 series integrated circuits introduced?
A: The 217 series was introduced in 1960, part of the Soviet Union's early integrated circuit development.

### Q: How does the 217 series differ from the 267 series?
A: The 217 series is a hybrid DTL circuit, while the 267 series consists of thin-film diode-transistor logic ICs.

### Q: What was the purpose of the Soviet integrated circuit designation?
A: The Soviet integrated circuit designation standardized the classification and naming of electronic components in the Soviet Union.

### Q: Are there any images available of the 217 series?
A: Yes, an image of the 217ЛБ2Б crystal is available on Wikimedia Commons.

## Why It Matters
The 217 series integrated circuits represent a significant milestone in the Soviet Union's early development of electronic components. As part of the broader hybrid integrated circuit class, they combined semiconductor devices and passive components on a substrate, contributing to miniaturization and efficiency in early electronic systems. Their introduction in 1960 aligns with the Soviet Union's efforts to compete with global advancements in integrated circuit technology. The 217 series, along with related projects like the 267 series, reflects the Soviet Union's strategic investments in semiconductor research and production during the Cold War era. These circuits played a role in shaping the technological landscape of the Soviet electronics industry, even if they were not as widely documented as Western counterparts.

## Notable For
- **Hybrid DTL innovation**: One of the first Soviet hybrid integrated circuits using diode-transistor logic.
- **Early Soviet IC development**: Part of the Soviet Union's efforts to produce miniaturized electronic components.
- **Standardized designation**: Followed Soviet integrated circuit naming conventions.
- **Complementary to 267 series**: Contributed to the Soviet Union's diverse integrated circuit families.
- **Cold War-era technology**: Reflects the Soviet electronics industry's response to global semiconductor advancements.

## Body
### Classification
The 217 series is classified as an **integrated circuit series** and a **subclass of hybrid integrated circuits**, meaning it combines different semiconductor devices and passive components on a substrate. It also falls under the **diode–transistor logic (DTL)** category, a type of logic circuit used in early digital electronics.

### Historical Context
- **Inception**: 1960
- **Country**: Soviet Union
- **Designation**: Follows Soviet integrated circuit naming standards

### Related Series
- **267 series**: Another Soviet integrated circuit series, but using thin-film DTL technology.

### Media
- **Image**: [217ЛБ2Б_кристалл.jpg](https://commons.wikimedia.org/wiki/Special:FilePath/217ЛБ2Б_кристалл.jpg)
- **Commons category**: 217 series integrated circuits

### Wikipedia Availability
- **Languages**: Available in commons (limited documentation).

The 217 series remains a lesser-known but important part of Soviet electronics history, reflecting the country's contributions to early integrated circuit development despite limited public documentation.