74HCT08D,653

The 74HCT08D,653 is a quad 2-input NAND gate integrated circuit (IC) manufactured by Nexperia, a well-known semiconductor company. This device is part of the 74HCT series, which is designed to be compatible with TTL (Transistor-Transistor Logic) levels while operating at lower power supply voltages, making it suitable for a wide range of digital applications.

Key Features:

1. Functionality: The 74HCT08D contains four independent 2-input NAND gates. Each gate performs a logical NAND operation, which outputs a low signal (0) only when both of its inputs are high (1). This makes it useful for implementing various logic functions in digital circuits.

2. Pin Configuration: The IC typically comes in a 14-pin Dual In-line Package (DIP) or surface-mount package. The pins are arranged in two rows, with each pin serving a specific function, including power supply, ground, and input/output connections for the NAND gates.

3. Supply Voltage: The 74HCT08D operates with a supply voltage (Vcc) typically ranging from 4.5V to 5.5V, making it compatible with standard TTL logic levels.

4. Input and Output Characteristics: The inputs are designed to accept standard TTL voltage levels, ensuring compatibility with other TTL devices. The output can drive standard TTL loads, providing a high output current capability.

5. Propagation Delay: The propagation delay time for the NAND gates is typically in the range of nanoseconds, allowing for high-speed operation in digital circuits.

6. Temperature Range: The device is rated for operation over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.

7. Low Power Consumption: The 74HCT series is designed to consume less power compared to traditional TTL devices, which is beneficial for battery-operated and energy-efficient applications.

8. Applications: This IC is widely used in digital logic circuits, including arithmetic operations, data processing, and control systems. It can be found in applications such as computer systems, consumer electronics, and industrial automation.

Package Information:

• Type: 14-pin Dual In-line Package (DIP) or surface-mount options.
• Marking: The part number "74HCT08D,653" is typically printed on the top surface of the IC, along with the manufacturer's logo and other relevant information.

Conclusion:

The 74HCT08D,653 from Nexperia is a versatile and reliable quad 2-input NAND gate that provides essential logic functions for a variety of digital applications. Its compatibility with TTL levels, low power consumption, and robust performance make it a popular choice among engineers and designers in the electronics industry.