Overview
The CD74HC02E is a quad 2-input NOR gate integrated circuit produced by Texas Instruments. It belongs to the 74HC series, which is known for its high-speed CMOS logic. This component is widely used in digital logic applications due to its reliability and performance. The CD74HC02E is designed for use in a variety of electronic systems, including industrial, automotive, and consumer electronics, making it a versatile choice for engineers and designers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Count | 2 | Per gate | |
| Static Current | 2 | µA | |
| Supply Voltage | 2 to 6 | V | |
| Package/Case | PDIP14 | ||
| Logic Type | NOR Gate | ||
| High-Level Output Voltage | 1.5 to 4.2 | V | |
| Low-Level Output Voltage | 500m to 1.8 | V | |
| Mounting Type | Through Hole | ||
| Output Current | 5.2 | mA | |
| Series | 74HC | ||
| Brand | Texas Instruments | ||
| Type | NOR Gate | ||
| Number of Channels | 4 | ||
| Number of Circuits | 4 | ||
| Dimensions | 19.00 x 6.00 | mm | |
| Propagation Delay Time | 15 | ns | |
| Height | 5.08 | mm | |
| Pin Count | 14 | ||
| Pitch | 2.54 | mm | |
| Operating Temperature | -55 to +125 | °C |
Key Features
- High-speed CMOS logic for efficient digital operations.
- Quad 2-input NOR gates provide multiple logic functions in a single package.
- Wide operating voltage range from 2V to 6V, suitable for various applications.
- Low static current consumption of 2µA, enhancing energy efficiency.
- Robust design with a wide operating temperature range from -55°C to +125°C, ensuring reliability in harsh environments.
Applications
The CD74HC02E is extensively used in digital systems where NOR logic functions are required. It is ideal for applications such as signal processing, data manipulation, and control logic in industrial automation, automotive electronics, and consumer electronics. Its reliability and performance make it a preferred choice for designing complex digital circuits.
Q & A
What is the operating voltage range of the CD74HC02E?
The CD74HC02E operates within a voltage range of 2V to 6V.
How many NOR gates are included in the CD74HC02E?
The CD74HC02E contains four 2-input NOR gates.
What is the typical propagation delay of the CD74HC02E?
The typical propagation delay is 15ns.
Can the CD74HC02E be used in automotive applications?
Yes, the CD74HC02E is suitable for automotive electronics due to its robust design and wide operating temperature range.
What is the package type of the CD74HC02E?
The CD74HC02E comes in a PDIP14 package.
Is the CD74HC02E suitable for high-speed digital circuits?
Yes, the CD74HC02E is designed for high-speed CMOS logic applications.
What is the maximum output current of the CD74HC02E?
The maximum output current is 5.2mA.
What is the significance of the 74HC series in the CD74HC02E?
The 74HC series indicates high-speed CMOS logic, ensuring efficient and reliable digital operations.
What is the static current consumption of the CD74HC02E?
The static current consumption is 2µA.
What are the typical applications of the CD74HC02E?
Typical applications include industrial automation, automotive electronics, and consumer electronics where NOR logic functions are required.
