Overview
The 74HCT4002D,112 is a dual 4-input NOR gate integrated circuit produced by Nexperia (previously part of NXP USA Inc.). This component is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) input levels. The device is designed to provide low-power dissipation and is suitable for a wide range of digital logic applications.
The 74HCT4002D,112 features a 14-pin Small Outline Integrated Circuit (SOIC) package, making it compact and suitable for surface mount technology. It operates within a supply voltage range of 4.5V to 5.5V and can handle operating temperatures from -40°C to 125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Part Number | 74HCT4002D,112 |
| Description | IC GATE NOR 2CH 4-INP 14-SO |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 125°C |
| Number of Inputs | 4 |
| Number of Circuits | 2 |
| Mounting Type | Surface Mount |
| Max Propagation Delay @ V, Max CL | 22ns @ 4.5V, 50pF |
| Logic Type | NOR Gate |
| Input Logic Level - Low | 0.8V |
| Input Logic Level - High | 2V |
| Current - Quiescent (Max) | 2 µA |
| Current - Output High, Low | 4mA, 4mA |
Key Features
- Low-power dissipation: The 74HCT4002D,112 is designed to minimize power consumption, making it suitable for battery-powered and energy-efficient applications.
- TTL input levels: Compatible with TTL logic levels, allowing for easy integration into existing TTL-based systems.
- Clamp diodes: Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- ESD protection: Offers high ESD protection, exceeding 2000 V for HBM (Human Body Model) and 200 V for MM (Machine Model).
- Multiple package options: Available in various package types, including SOIC, to suit different design requirements.
- Wide operating temperature range: Operates from -40°C to 125°C, making it suitable for a variety of environmental conditions.
Applications
The 74HCT4002D,112 is versatile and can be used in a wide range of digital logic applications, including:
- Digital logic circuits: Ideal for implementing NOR logic functions in digital circuits.
- Embedded systems: Suitable for use in embedded systems that require low power consumption and TTL compatibility.
- Industrial control systems: Can be used in industrial control systems where robustness and reliability are crucial.
- Consumer electronics: Applicable in various consumer electronic devices that require digital logic functions.
Q & A
- What is the primary function of the 74HCT4002D,112?
The primary function is to act as a dual 4-input NOR gate.
- What is the operating voltage range of the 74HCT4002D,112?
The operating voltage range is from 4.5V to 5.5V.
- What is the maximum propagation delay of the 74HCT4002D,112?
The maximum propagation delay is 22ns at 4.5V with a 50pF load capacitance.
- What are the input logic levels for the 74HCT4002D,112?
The input logic levels are 0.8V for low and 2V for high.
- Does the 74HCT4002D,112 have ESD protection?
Yes, it offers high ESD protection, exceeding 2000 V for HBM and 200 V for MM.
- What is the package type of the 74HCT4002D,112?
The package type is 14-SOIC (Small Outline Integrated Circuit).
- What is the operating temperature range of the 74HCT4002D,112?
The operating temperature range is from -40°C to 125°C.
- Is the 74HCT4002D,112 suitable for surface mount technology?
Yes, it is designed for surface mount technology.
- What are some common applications of the 74HCT4002D,112?
Common applications include digital logic circuits, embedded systems, industrial control systems, and consumer electronics.
- Does the 74HCT4002D,112 comply with any specific standards?
Yes, it complies with the JEDEC standard JESD7A.
