Overview
The SN74HC7002D is a high-performance logic gate IC manufactured by Texas Instruments. It belongs to the category of Quad Positive-NOR Gates with Schmitt-Trigger Inputs. This device is designed for applications requiring robust noise immunity and reliable operation across a wide voltage range. Its market positioning targets industries such as industrial automation, consumer electronics, and automotive systems, where precise logic operations are critical. The SN74HC7002D stands out for its Schmitt-trigger inputs, which ensure clean signal transitions even in noisy environments, making it a competitive choice for logic gate applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 - 6 | V | Wide operating range |
| High-Level Output Current | -5.2 | mA | Maximum |
| Low-Level Output Current | 5.2 | mA | Maximum |
| Propagation Delay Time | 28 | ns | Typical |
| Number of Gates | 4 | - | Quad configuration |
| Input Type | Schmitt-Trigger | - | Noise immunity |
| Operating Temperature | -40 to +85 | °C | Wide range |
| Package | SOIC-14 | - | Surface mount |
| Logic Family | 74HC | - | High-speed CMOS |
| RoHS Compliance | Yes | - | Environmentally friendly |
Key Features
- Quad Positive-NOR Gates with Schmitt-Trigger Inputs for reliable signal processing.
- Wide operating voltage range (2V to 6V) for versatile applications.
- High noise immunity due to Schmitt-trigger input design.
- Low power consumption, making it suitable for battery-powered devices.
- Temperature-compensated threshold levels for stable performance across varying conditions.
Applications
The SN74HC7002D is widely used in applications requiring precise logic operations. Its key application areas include:
- Industrial Automation: Used in control systems for reliable signal processing and noise immunity.
- Consumer Electronics: Integrated into devices like remote controls and smart home systems for efficient logic handling.
- Automotive Electronics: Employed in vehicle control units for robust performance in harsh environments.
- Embedded Systems: Utilized in microcontrollers and IoT devices for low-power logic operations.
Q & A
1. What is the operating voltage range of the SN74HC7002D?
The SN74HC7002D operates within a voltage range of 2V to 6V.
2. What is the function of the Schmitt-trigger inputs?
Schmitt-trigger inputs provide noise immunity by ensuring clean signal transitions even in noisy environments.
3. What is the typical propagation delay time?
The typical propagation delay time is 28 ns.
4. How many gates are included in the SN74HC7002D?
It includes four (quad) Positive-NOR gates.
5. Is the SN74HC7002D RoHS compliant?
Yes, it is RoHS compliant, making it environmentally friendly.
6. What is the maximum operating temperature?
The maximum operating temperature is +85°C.
7. What is the package type of the SN74HC7002D?
It comes in an SOIC-14 surface-mount package.
8. Can this IC be used in automotive applications?
Yes, its robust design makes it suitable for automotive electronics.
9. What is the low-level output current?
The low-level output current is 5.2 mA (maximum).
10. What is the advantage of temperature-compensated threshold levels?
Temperature-compensated threshold levels ensure stable performance across varying temperature conditions.
