74HC08D,653

The 74HC08D,653 is a quad 2-input AND gate integrated circuit (IC) manufactured by Nexperia, a well-known semiconductor company. This device is part of the 74HC (High-speed CMOS) family, which is designed for high-speed operation while maintaining low power consumption. Below is a detailed description of its features and specifications:

General Description:

• Functionality: The 74HC08D contains four independent 2-input AND gates. Each gate performs a logical AND operation on two input signals, producing a high output only when both inputs are high.
• Package Type: The "D" in the part number indicates that this IC is available in a surface-mount package, specifically the SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for automated assembly processes.
• Pin Count: The 74HC08D typically has 14 pins, with each gate occupying two input pins and one output pin.

Electrical Characteristics:

• Supply Voltage (Vcc): The device operates within a supply voltage range of 2V to 6V, making it compatible with a variety of digital logic levels.
• Input Voltage Levels: The input high voltage (VIH) is typically around 2V (for Vcc = 4.5V), while the input low voltage (VIL) is around 0.8V. This allows for compatibility with TTL logic levels.
• Output Current: The output can source or sink a maximum current of 25 mA, which is sufficient for driving standard logic loads.
• Propagation Delay: The typical propagation delay time for the AND gates is around 10 ns at Vcc = 5V, indicating fast switching speeds suitable for high-frequency applications.

Features:

• High-Speed Operation: The 74HC series is known for its fast switching capabilities, making it ideal for high-speed digital circuits.
• Low Power Consumption: The CMOS technology used in this IC results in low static power consumption, which is beneficial for battery-operated devices.
• Wide Operating Temperature Range: The device can operate in a temperature range from -40°C to +125°C, making it suitable for various environmental conditions.

Applications:

The 74HC08D is commonly used in digital logic applications, including:

• Data Processing: Used in arithmetic and logic units (ALUs) for performing logical operations.
• Signal Conditioning: Employed in circuits that require signal manipulation and conditioning.
• Control Systems: Utilized in control logic for various electronic devices and systems.

Pin Configuration:

The typical pin configuration for the 74HC08D is as follows:

• Pin 1: A1 (Input for the first AND gate)
• Pin 2: B1 (Input for the first AND gate)
• Pin 3: Y1 (Output for the first AND gate)
• Pin 4: A2 (Input for the second AND gate)
• Pin 5: B2 (Input for the second AND gate)
• Pin 6: Y2 (Output for the second AND gate)
• Pin 7: GND (Ground)
• Pin 8: Y3 (Output for the third AND gate)
• Pin 9: B3 (Input for the third AND gate)
• Pin 10: A3 (Input for the third AND gate)
• Pin 11: Y4 (Output for the fourth AND gate)
• Pin 12: B4 (Input for the fourth AND gate)
• Pin 13: A4 (Input for the fourth AND gate)
• Pin 14: Vcc (Supply Voltage)

Conclusion:

The 74HC08D,653 from Nexperia is a versatile and efficient quad 2-input AND gate that is widely used in digital electronics. Its combination of high-speed performance, low power consumption, and robust operating characteristics makes it an excellent choice for a variety of applications in modern electronic designs.