DM74AS280N

Product Overview

Category

DM74AS280N belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as arithmetic logic units, counters, and data processing systems.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL logic levels
• Noise immunity
• Compact size

Package

The DM74AS280N is available in a 14-pin dual in-line package (DIP), which is a widely used packaging format for ICs.

Essence

The essence of DM74AS280N lies in its ability to perform complex logical operations efficiently and reliably.

Packaging/Quantity

The DM74AS280N is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: -55°C to +125°C
• Logic Family: AS
• Logic Type: Bipolar TTL
• Number of Pins: 14
• Propagation Delay: 9 ns (max)
• Output Current: ±8 mA

Detailed Pin Configuration

1. GND (Ground)
2. A0 (Input A0)
3. A1 (Input A1)
4. A2 (Input A2)
5. A3 (Input A3)
6. A4 (Input A4)
7. A5 (Input A5)
8. A6 (Input A6)
9. A7 (Input A7)
10. B7 (Input B7)
11. B6 (Input B6)
12. B5 (Input B5)
13. B4 (Input B4)
14. VCC (Supply Voltage)

Functional Features

• 9-bit magnitude comparator
• Outputs indicating equality, greater than, or less than relationships between two 9-bit binary numbers
• Cascadable for larger word comparisons
• Enable input for easy expansion and control

Advantages

• High-speed operation allows for efficient data processing
• Low power consumption helps in reducing energy requirements
• Wide operating voltage range ensures compatibility with various systems
• Noise immunity enables reliable performance in noisy environments
• Compact size facilitates integration into space-constrained designs

Disadvantages

• Limited to 9-bit comparisons, may not be suitable for applications requiring larger word sizes
• Bipolar TTL logic family may have higher power consumption compared to other logic families

Working Principles

The DM74AS280N operates based on the principles of digital logic. It compares two 9-bit binary numbers and generates outputs indicating whether they are equal, greater than, or less than each other. The inputs are processed using internal circuitry, and the results are available at the output pins.

Detailed Application Field Plans

The DM74AS280N can be used in various applications, including: 1. Arithmetic logic units (ALUs) in microprocessors 2. Data processing systems 3. Digital calculators 4. Industrial automation 5. Communication equipment

Detailed and Complete Alternative Models

1. SN74LS85: 4-bit magnitude comparator
2. CD54/74HC85: 4-bit magnitude comparator
3. CD54/74HCT688: 8-bit magnitude comparator
4. CD54/74HC688: 8-bit magnitude comparator
5. CD54/74HCT670: 4x4 register file with open collector outputs

These alternative models offer similar functionality to the DM74AS280N but may have different specifications and pin configurations.

In conclusion, the DM74AS280N is a versatile integrated circuit used for performing 9-bit magnitude comparisons. Its high-speed operation, low power consumption, and compact size make it suitable for various digital electronics applications. However, its limitations in word size and power consumption should be considered when selecting alternative models.