DM74S64N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Quad 2-Input OR Gate
• Package: DIP (Dual In-line Package)
• Essence: The DM74S64N is a logic gate integrated circuit that performs the OR operation on two input signals.
• Packaging/Quantity: The DM74S64N is typically sold in packs of 25 units.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature: -55°C to +125°C
• Propagation Delay: 9ns (typical)
• Output Current: ±8mA
• Input Voltage: 0V to VCC

Detailed Pin Configuration

The DM74S64N has a total of 14 pins, which are assigned specific functions as follows:

1. Pin 1: Input A1
2. Pin 2: Input B1
3. Pin 3: Output Y1
4. Pin 4: Ground (GND)
5. Pin 5: Input A2
6. Pin 6: Input B2
7. Pin 7: Output Y2
8. Pin 8: VCC (+5V)
9. Pin 9: Input A3
10. Pin 10: Input B3
11. Pin 11: Output Y3
12. Pin 12: Input A4
13. Pin 13: Input B4
14. Pin 14: Output Y4

Functional Features

• The DM74S64N is a quad 2-input OR gate, meaning it can perform the logical OR operation on two input signals.
• It operates with a supply voltage range of 4.75V to 5.25V, making it compatible with standard TTL logic levels.
• The propagation delay of the DM74S64N is typically 9ns, ensuring fast and efficient operation.
• It has a high output current capability of ±8mA, allowing it to drive multiple loads simultaneously.

Advantages and Disadvantages

Advantages

• Compact and space-saving DIP package.
• Wide operating temperature range (-55°C to +125°C).
• Fast propagation delay for quick signal processing.
• High output current capability for driving multiple loads.

Disadvantages

• Limited number of inputs (2 per gate).
• Requires external pull-up or pull-down resistors for proper input signal handling.
• Not suitable for applications requiring complex logical operations.

Working Principles

The DM74S64N operates based on the principles of digital logic. It performs the OR operation on two input signals, producing an output signal that is high (logic 1) if either or both of the inputs are high. If both inputs are low (logic 0), the output signal will also be low.

The internal circuitry of the DM74S64N consists of transistors and resistors arranged in a specific configuration to achieve the desired logical function. When the input signals are applied, the transistors within the IC respond accordingly, resulting in the appropriate output signal.

Detailed Application Field Plans

The DM74S64N can be used in various applications where logical OR operations are required. Some common application fields include:

1. Digital electronics: The DM74S64N can be used in digital circuits to combine multiple input signals and generate a single output based on the logical OR operation.
2. Arithmetic circuits: It can be utilized in arithmetic circuits to perform addition or subtraction operations by combining multiple input bits.
3. Control systems: The DM74S64N can be employed in control systems to implement decision-making logic based on multiple input conditions.

Detailed and Complete Alternative Models

1. SN74LS32N: Quad 2-Input OR Gate, DIP package.
2. CD4071BE: Quad 2-Input OR Gate, DIP package.
3. MC14071BCP: Quad 2-Input OR Gate, DIP package.
4. 74HC32N: Quad 2-Input OR Gate, DIP package.

These alternative models offer similar functionality to the DM74S64N and can be used as replacements depending on specific requirements.

In conclusion, the DM74S64N is a quad 2-input OR gate integrated circuit that provides a compact and efficient solution for logical OR operations. With its fast propagation delay and high output current capability, it finds applications in various digital and control systems.