Overview
The CD74HC08MT is a high-speed CMOS logic IC manufactured by Texas Instruments. It belongs to the 74HC series and is a quad 2-input AND gate, designed for applications requiring high-speed logic operations with low power consumption. This component is widely used in digital systems for signal processing and logic control. Its compact SOIC-14 package makes it suitable for space-constrained applications, and its compatibility with both CMOS and TTL logic levels enhances its versatility. The CD74HC08MT is ideal for engineers and designers working on consumer electronics, industrial automation, and embedded systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Technology Family | HC | - | High-speed CMOS |
| Supply Voltage (Min) | 2 | V | - |
| Supply Voltage (Max) | 6 | V | - |
| Number of Channels | 4 | - | Quad 2-input AND gates |
| Inputs per Channel | 2 | - | - |
| IOL (Max) | 5.2 | mA | Low-level output current |
| IOH (Max) | -5.2 | mA | High-level output current |
| Propagation Delay | 10-50 | ns | High-speed operation |
| Operating Temperature | -55 to 125 | °C | Wide temperature range |
| Package | SOIC-14 | - | Surface mount |
Key Features
- High-speed CMOS logic with propagation delays of 10-50 ns.
- Wide operating voltage range from 2V to 6V, compatible with both CMOS and TTL levels.
- Quad 2-input AND gates in a compact SOIC-14 package.
- Low power consumption, making it suitable for battery-powered devices.
- Buffered inputs for improved noise immunity and stability.
Applications
The CD74HC08MT is widely used in various digital systems, including:
- Consumer Electronics: Signal processing in devices like smartphones, tablets, and gaming consoles.
- Industrial Automation: Logic control in PLCs, motor drives, and robotics.
- Embedded Systems: Integration into microcontrollers and IoT devices for logic operations.
- Automotive Electronics: Used in vehicle control systems and infotainment systems.
Q & A
1. What is the operating voltage range of the CD74HC08MT?
The CD74HC08MT operates within a voltage range of 2V to 6V.
2. How many AND gates are included in the CD74HC08MT?
It contains four independent 2-input AND gates.
3. What is the typical propagation delay of this IC?
The propagation delay ranges from 10 ns to 50 ns, depending on operating conditions.
4. Is the CD74HC08MT compatible with TTL logic levels?
Yes, it is compatible with both CMOS and TTL logic levels.
5. What is the maximum output current of the CD74HC08MT?
The maximum low-level output current (IOL) is 5.2 mA, and the high-level output current (IOH) is -5.2 mA.
6. What is the operating temperature range of this IC?
It can operate in temperatures ranging from -55°C to 125°C.
7. What package type is the CD74HC08MT available in?
It is available in a SOIC-14 surface-mount package.
8. Can the CD74HC08MT be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and wide temperature range.
9. What is the power consumption of the CD74HC08MT?
It features low power consumption, making it ideal for battery-powered devices.
10. Are the inputs of the CD74HC08MT buffered?
Yes, the inputs are buffered to enhance noise immunity and stability.
