# 4000 series integrated circuits

> Family of integrated circuits

**Wikidata**: [Q2654996](https://www.wikidata.org/wiki/Q2654996)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/4000-series_integrated_circuits)  
**Source**: https://4ort.xyz/entity/4000-series-integrated-circuits

## Summary
The 4000 series integrated circuits are a family of integrated circuits that serve as a de facto standard for CMOS (Complementary Metal-Oxide-Semiconductor) technology. As a broad classification of electronic components, this series encompasses a wide range of specific logic circuits and has been widely adopted and adapted, evidenced by international variants such as the Soviet 561 and 564 series.

## Key Facts
*   **Classification:** The 4000 series is an integrated circuit series and a subclass of integrated circuit, recognized as a de facto standard for CMOS.
*   **Alternative Names:** The series is also known as "Serie 4000," "CMOS 4000," or simply "4000 series."
*   **Soviet Variants:** The family includes direct equivalents produced in the Soviet Union, such as the **561 series** (inception 1970) and the **564 series** (military-grade variant; R&D 1973, industrial manufacturing 1976).
*   **Specific Components:** Notable individual integrated circuits in the family include the 4000, 4001, 4007, 4017, 4070, 4071, and 4081.
*   **Identifiers:** The series holds the GND ID `4233587-5` and the Freebase ID `/m/01qcln`.
*   **Wikipedia Coverage:** The entity has a Wikipedia title of "4000-series integrated circuits" with sitelinks in 10 languages, including English, Spanish, French, and Japanese.

## FAQs
### Q: What is the 4000 series integrated circuits?
A: The 4000 series is a family of integrated circuits classified as a de facto standard for CMOS technology. It functions as a model series of integrated circuits sharing the same part prefix.

### Q: Did the 4000 series have equivalents in the Soviet Union?
A: Yes, the Soviet Union produced several variants of the 4000 CMOS series. These included the 561 series (starting in 1970), the 164 series (starting in 1972), and the military-grade 564 series (starting in 1973).

### Q: What are some examples of specific chips in the 4000 series?
A: The series includes a wide variety of integrated circuits, such as the 4000 (CMOS IC), 4007 (CMOS IC), 4017 (CMOS integrated circuit), 4030 (CMOS), and standard logic chips like the 4081 and 4071.

## Why It Matters
The 4000 series integrated circuits represent a critical evolution in electronics standardization and global technology adaptation. As a **de facto standard** for CMOS technology, this series provided a reliable and widely accepted framework for semiconductor development, allowing engineers and manufacturers to utilize a common set of logic components across different systems. Its significance is highlighted by its international reach and adaptability; the technology was not confined to its origin but was extensively reverse-engineered and produced globally.

Notably, the series played a strategic role in the Soviet electronics industry. The existence of the **561 series** (1970) and the **564 series** (1973) demonstrates that the 4000 series architecture was essential enough to be adopted for both civilian and military-grade industrial manufacturing in the Soviet Union. The 164 series further illustrates this adaptation, offering 4000 series equivalents in flatpack metal packages. With a diverse catalog ranging from the 4000 CMOS IC to the 4017 counter, the series established a versatile and enduring legacy in the field of integrated circuit design.

## Notable For
*   **CMOS Standardization:** Acting as the de facto standard for CMOS integrated circuits.
*   **Military-Grade Adaptation:** The existence of the Soviet 564 series highlights the design's suitability for military-grade applications.
*   **Global Cloning:** Being extensively copied or adapted by the Soviet Union (561, 564, and 164 series) during the Cold War era.
*   **Component Variety:** Hosting a wide array of specific logic functions, including the 4017 counter and 4070 XOR gates.

## Body
### Definition and Classification
The 4000 series integrated circuits are a family of integrated circuits formed on semiconductor material. In structured knowledge bases, the entity is defined as an "integrated circuit series" and a "de facto standard" specifically for CMOS (Complementary Metal-Oxide-Semiconductor) technology. It is hierarchically a subclass of "integrated circuit." The series is also cataloged under the **Commons Category** "4000 Series" and has a **GND ID** of 4233587-5.

### Specific Integrated Circuits
The family comprises numerous specific components, many of which are identified as distinct integrated circuits or "Things" within the series:
*   **4000:** Identified as a CMOS IC.
*   **4007:** Identified as a CMOS IC.
*   **4017:** Described as a CMOS integrated circuit 4017.
*   **4030:** Identified as 4030 (CMOS).
*   **Other Components:** The series includes the 4001, 4013, 4015, 4023, 4024, 4049, 4050, 4070, 4071, 4073, and 4081.

### Soviet Variants and Chronology
The 4000 series architecture was replicated in the Soviet Union under different series designations, marking a significant chapter in its history:
*   **561 Series:** A Soviet variant of the 4000 CMOS series with an inception date of **1970**.
*   **164 Series:** A Soviet series of CMOS logic serving as the 4000 series equivalent in a flatpack metal package.
    *   Research and development began in **1972**.
    *   Industrial manufacturing commenced in **1974**.
*   **564 Series:** A Soviet military-grade variant of the 4000 CMOS series.
    *   Research and development began in **1973**.
    *   Industrial manufacturing commenced in **1976**.

## References

1. Freebase Data Dumps. 2013