# 4013

> integrated circuit

**Wikidata**: [Q30109332](https://www.wikidata.org/wiki/Q30109332)  
**Source**: https://4ort.xyz/entity/4013

## Summary
The 4013 is an integrated circuit (IC) belonging to the 4000 series of CMOS logic chips, functioning as a dual D-type flip-flop for digital data storage and signal processing. It is commonly used in electronic circuits requiring stable data retention and is notable for its low power consumption and compatibility with a wide voltage range. Part of a family of ICs introduced in the 1970s, the 4013 remains a staple in educational and hobbyist electronics projects.

## Key Facts
- The 4013 is part of the **4000 series integrated circuits**, a family of CMOS logic chips introduced in the 1970s.
- It functions as a **dual D-type flip-flop**, enabling data storage and synchronization in digital circuits.
- Operates on a **wide voltage range** (3–18 V), typical of CMOS logic.
- Available in **through-hole package types** such as DIP (Dual In-line Package) and PDIP.
- Manufactured by companies like **Toshiba** (e.g., TC4013BP) and still produced today.
- Features **low power consumption** and high noise immunity due to CMOS technology.
- Released in the **1970s** as part of the 4000 series, which standardized CMOS logic design.
- Widely used in **educational contexts** and hobbyist electronics for its simplicity and durability.

## FAQs
### Q: What does the 4013 integrated circuit do?
A: The 4013 is a dual D-type flip-flop IC that stores binary data and synchronizes signals in digital circuits, enabling applications like switches, counters, and memory modules.

### Q: Is the 4013 part of a specific series of chips?
A: Yes, it belongs to the **4000 series CMOS logic family**, known for low power consumption and wide operating voltage ranges (3–18 V).

### Q: Where is the 4013 commonly used today?
A: It is frequently used in **educational electronics kits**, hobbyist projects, and legacy systems due to its simplicity, durability, and compatibility with basic power supplies.

## Why It Matters
The 4013 is significant as a foundational component in digital electronics, offering a reliable and low-power solution for data storage and signal synchronization. As part of the 4000 series, it helped standardize CMOS logic design, enabling the development of energy-efficient circuits in an era dominated by power-hungry TTL technology. Its wide voltage tolerance and ruggedness made it suitable for industrial and consumer applications, while its simplicity ensures continued use in educational settings for teaching digital logic principles. The 4013’s longevity—it remains in production over 50 years after its introduction—reflects its adaptability to evolving electronics needs, from vintage computers to modern DIY projects.

## Notable For
- **CMOS technology**: Pioneered low-power, high-noise-immunity logic circuits.
- **Dual flip-flop design**: Allows independent data storage in a single package.
- **Wide voltage compatibility**: Operates across 3–18 V, simplifying power supply design.
- **Educational relevance**: A staple in teaching digital electronics due to its straightforward functionality.
- **Long-term production**: Continuously manufactured since the 1970s, ensuring availability for legacy and hobbyist projects.

## Body
### Overview
The 4013 is a CMOS integrated circuit that implements two D-type flip-flops in a single package. Each flip-flop can store one bit of data, making the 4013 suitable for applications requiring temporary data retention, such as switches, registers, and simple memory circuits.

### Technical Specifications
- **Logic function**: Dual D-type flip-flop with clear and preset inputs.
- **Package types**: Commonly available in 16-pin DIP (Dual In-line Package) and PDIP variants.
- **Operating voltage**: 3–18 V (typical of 4000 series CMOS).
- **Propagation delay**: Approximately 75–100 ns (varies by voltage and load).
- **Power consumption**: Low, due to CMOS design (e.g., 5 mW at 10 MHz).

### Applications
- **Digital circuits**: Used in counters, shift registers, and data latching.
- **Education**: Featured in electronics kits for teaching flip-flop behavior and digital logic.
- **Legacy systems**: Found in vintage computers, calculators, and industrial control systems.

### History
- **Release**: Introduced in the 1970s as part of the 4000 series, which competed with TTL logic.
- **Manufacturers**: Produced by Toshiba (TC4013BP), Motorola, and other semiconductor firms.
- **Design impact**: Helped establish CMOS as a viable alternative to TTL for low-power applications.

### Modern Usage
- **Hobbyist projects**: Popular in Arduino and Raspberry Pi projects for its ease of use.
- **Replacement parts**: Still used to repair or maintain older electronic equipment.
- **Teaching tool**: Demonstrates fundamental digital logic principles in classrooms and workshops.