Overview
The SN7400DRE4 is a quad 2-input positive-NAND gate integrated circuit (IC) manufactured by Texas Instruments. This product belongs to the 7400 series of logic gates and is designed for surface-mount applications. It is widely used in digital logic circuits for performing Boolean functions. The SN7400DRE4 is particularly suitable for applications requiring high reliability and efficiency in logic operations. Its compact SOIC-14 package makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | NAND Gate | - | Quad 2-input |
| Circuit Count | 4 | - | - |
| Input Count | 2 | - | Per gate |
| Supply Voltage | 4.75 - 5.25 | V | - |
| Output Current (High) | 400 | µA | - |
| Output Current (Low) | 16 | mA | - |
| Logic Level (Low) | 0.8 | V | - |
| Logic Level (High) | 2 | V | - |
| Propagation Delay | 22 | ns | @ 5V, 15pF |
| Operating Temperature | 0 - 70 | °C | - |
| Package | SOIC-14 | - | Surface Mount |
Key Features
- Quad 2-input NAND gates for versatile logic operations.
- Compact SOIC-14 package for space-efficient designs.
- Wide operating voltage range (4.75V to 5.25V).
- Low power consumption with high output drive capability.
- Reliable performance across a temperature range of 0°C to 70°C.
Applications
The SN7400DRE4 is widely used in digital logic circuits, including applications in industrial automation, consumer electronics, and automotive systems. It is particularly effective in designs requiring multiple logic operations, such as data processing units, control systems, and signal conditioning circuits. Its robust design and high reliability make it a preferred choice for engineers working on complex digital systems.
Q & A
1. What is the logic function of the SN7400DRE4?
The SN7400DRE4 performs the NAND logic function, which outputs a low signal only when all inputs are high.
2. What is the operating voltage range of the SN7400DRE4?
The operating voltage range is 4.75V to 5.25V.
3. How many gates are included in the SN7400DRE4?
The IC contains four independent NAND gates.
4. What is the maximum propagation delay of the SN7400DRE4?
The maximum propagation delay is 22ns at 5V with a 15pF load.
5. What package does the SN7400DRE4 use?
It is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.
6. What is the output current capability of the SN7400DRE4?
The output current is 400µA in the high state and 16mA in the low state.
7. Is the SN7400DRE4 suitable for automotive applications?
Yes, its robust design and reliability make it suitable for automotive systems.
8. What is the temperature range for operation?
The IC operates reliably between 0°C and 70°C.
9. Can the SN7400DRE4 be used in industrial automation?
Yes, it is commonly used in industrial automation for logic operations.
10. What are the key advantages of the SN7400DRE4?
Its compact size, low power consumption, and high reliability are its key advantages.
