Overview
The SN74HC7002DT is a high-performance logic gate integrated circuit manufactured by Texas Instruments. This device is part of the 74HC series, known for its reliability and versatility in digital logic applications. The SN74HC7002DT features four independent 2-input NOR gates with Schmitt-trigger inputs, making it suitable for noise-sensitive environments. It is designed for use in a wide range of electronic systems, including industrial automation, consumer electronics, and automotive applications. Its key selling points include a wide operating voltage range, low power consumption, and high noise immunity, making it a competitive choice for designers seeking robust logic solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Technology Family | HC | - | - |
| Number of Channels | 4 | - | - |
| Supply Voltage (Min) | 2 | V | - |
| Supply Voltage (Max) | 6 | V | - |
| Inputs per Channel | 2 | - | - |
| IOL (Max) | 5.2 | mA | - |
| IOH (Max) | -5.2 | mA | - |
| Output Type | Push-Pull | - | - |
| Input Type | Standard CMOS | - | - |
| Data Rate (Max) | 28 | Mbps | - |
| Operating Temperature | -40 to +85 | °C | - |
Key Features
- Four independent 2-input NOR gates with Schmitt-trigger inputs for enhanced noise immunity.
- Wide operating voltage range from 2V to 6V, ensuring compatibility with various systems.
- Low power consumption, with a maximum static current of 2 µA.
- High-speed operation with a typical propagation delay of 14 ns.
- Supports fanout up to 10 LSTTL loads, providing flexibility in design.
Applications
The SN74HC7002DT is widely used in digital logic circuits where noise immunity and reliability are critical. Typical applications include signal conditioning, waveform shaping, and noise filtering in industrial control systems. It is also employed in consumer electronics for interface logic and in automotive systems for sensor signal processing. Its robust design makes it suitable for harsh environments, ensuring stable performance in demanding applications.
Q & A
1. What is the operating voltage range of the SN74HC7002DT?
The operating voltage range is from 2V to 6V.
2. How many NOR gates are included in the SN74HC7002DT?
It contains four independent 2-input NOR gates.
3. What is the typical propagation delay of this device?
The typical propagation delay is 14 ns.
4. Does the SN74HC7002DT support Schmitt-trigger inputs?
Yes, it features Schmitt-trigger inputs for enhanced noise immunity.
5. What is the maximum output current (IOL and IOH)?
The maximum output current is 5.2 mA for both IOL and IOH.
6. What is the operating temperature range?
The operating temperature range is from -40°C to +85°C.
7. Can this device drive LSTTL loads?
Yes, it supports fanout up to 10 LSTTL loads.
8. What is the package type of the SN74HC7002DT?
It is available in a 14-pin SOIC package.
9. Is the SN74HC7002DT suitable for automotive applications?
Yes, its robust design makes it suitable for automotive systems.
10. What is the static current consumption of this device?
The maximum static current is 2 µA.
