Overview
The 74HC08D is a high-speed CMOS 2-input AND gate integrated circuit fabricated with silicon gate C2MOS technology. It is designed to achieve high-speed operation similar to equivalent LSTTL (Low Power Schottky TTL) while maintaining the low power dissipation characteristic of CMOS devices. This quad 2-input AND gate is part of the 74HC series, known for its balanced propagation delays and wide operating voltage range, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Propagation Delay Time (tpd) | 6 ns (typ.) at VCC = 5 V | ns |
| Low Power Dissipation (ICC) | 1.0 µA (max) at Ta = 25 °C | µA |
| Operating Voltage Range (VCC) | 2.0 to 6.0 V | V |
| Input Voltage Range | 0 to VCC | V |
| Output Transition Time (tTLH, tTHL) | 22 ns (max) at VCC = 4.5 V | ns |
| Package Type | SOIC14 | |
| Operating Temperature Range | -40 to 125 °C | °C |
Key Features
- High speed operation with propagation delay time of 6 ns (typ.) at VCC = 5 V.
- Low power dissipation with ICC of 1.0 µA (max) at Ta = 25 °C.
- Balanced propagation delays (tPLH ≈ tPHL).
- Wide operating voltage range from 2.0 to 6.0 V.
- Internal circuit composed of 2-stages including buffer output for high noise immunity and stable output.
- All inputs equipped with protection circuits against static discharge or transient excess voltage.
Applications
The 74HC08D is suitable for a variety of digital circuit applications where high speed and low power consumption are critical. It can be used in logic circuits, digital signal processing, and other electronic systems that require AND gate functionality. Its compatibility with LSTTL and wide operating voltage range make it versatile for use in different types of digital systems.
Q & A
- What is the 74HC08D?
The 74HC08D is a high-speed CMOS 2-input AND gate integrated circuit. - What technology is used in the 74HC08D?
It is fabricated with silicon gate C2MOS technology. - What is the typical propagation delay time of the 74HC08D?
The typical propagation delay time is 6 ns at VCC = 5 V. - What is the maximum power dissipation of the 74HC08D?
The maximum power dissipation (ICC) is 1.0 µA at Ta = 25 °C. - What is the operating voltage range of the 74HC08D?
The operating voltage range is from 2.0 to 6.0 V. - What type of package does the 74HC08D come in?
The 74HC08D comes in a SOIC14 package. - What is the operating temperature range of the 74HC08D?
The operating temperature range is from -40 to 125 °C. - Does the 74HC08D have protection against static discharge?
Yes, all inputs are equipped with protection circuits against static discharge or transient excess voltage. - Is the 74HC08D compatible with LSTTL?
Yes, it is pin compatible with low power Schottky TTL (LSTTL). - What are some common applications of the 74HC08D?
It is used in logic circuits, digital signal processing, and other electronic systems requiring AND gate functionality.
