Overview
The 74HCT02DB,112 from Nexperia USA Inc. is a quad 2-input NOR gate integrated circuit. This device is part of the 74HCT series and is designed to operate with TTL (Transistor-Transistor Logic) input levels. It is pin compatible with Low-power Schottky TTL (LSTTL) and complies with JEDEC standards, making it versatile for various digital logic applications.
The 74HCT02DB,112 is specified to operate over a wide temperature range from -40°C to +125°C, ensuring reliability in diverse environmental conditions. Although this specific part number is discontinued, it remains relevant for existing designs and legacy systems.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Number of bits | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|---|
| 74HCT02DB | 4.5 - 5.5 | TTL | ± 4 | 9.0 | 36 | 4 | Low | -40 to +125 | SO14 (SOT108-1) |
Key Features
- Wide Supply Voltage Range: Operates from 4.5 V to 5.5 V, making it compatible with TTL systems.
- High Noise Immunity: Features Schmitt-trigger action on all inputs, enhancing noise immunity.
- ESD Protection: Offers high ESD protection with HBM (Human Body Model) exceeding 2000 V and CDM (Charged Device Model) exceeding 1000 V.
- Low Power Dissipation: Designed for low power consumption, suitable for energy-efficient designs.
- Multiple Package Options: Although the 74HCT02DB,112 is in a SO14 package, the series offers various package types such as TSSOP and DHVQFN.
Applications
The 74HCT02DB,112 is suitable for a wide range of digital logic applications across various industries, including:
- Automotive Systems: For use in automotive electronics where robustness and reliability are critical.
- Industrial Control Systems: Ideal for industrial control circuits requiring high noise immunity and reliability.
- Consumer Electronics: Used in consumer devices that require low power consumption and high performance).
- Computing and Networking: Suitable for use in computing and networking equipment where high-speed logic operations are necessary).
Q & A
- What is the primary function of the 74HCT02DB,112?
The primary function is to provide a quad 2-input NOR gate logic operation.
- What is the operating voltage range for the 74HCT02DB,112?
The operating voltage range is from 4.5 V to 5.5 V).
- What type of logic levels does the 74HCT02DB,112 support?
The device supports TTL (Transistor-Transistor Logic) input levels).
- What is the maximum propagation delay for the 74HCT02DB,112?
The maximum propagation delay is approximately 9 ns).
- Does the 74HCT02DB,112 have ESD protection?
Yes, it has high ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V).
- What is the temperature range for the 74HCT02DB,112?
The device operates from -40°C to +125°C).
- Is the 74HCT02DB,112 RoHS compliant?
Yes, the device is RoHS compliant).
- What package type is the 74HCT02DB,112 available in?
The 74HCT02DB,112 is available in the SO14 (SOT108-1) package).
- Is the 74HCT02DB,112 still in production?
No, the 74HCT02DB,112 is discontinued but can be found in legacy systems or through secondary sources).
- What are some common applications for the 74HCT02DB,112?
Common applications include automotive systems, industrial control systems, consumer electronics, and computing and networking equipment).
