DM74AS08M

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Quad 2-input AND gate
• Package: 14-pin DIP (Dual In-line Package)
• Essence: Combines four 2-input AND gates in a single chip
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay Time: 9ns (max)
• Power Dissipation: 22mW (typ)

Detailed Pin Configuration

The DM74AS08M has a total of 14 pins, numbered as follows:

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

Functional Features

• The DM74AS08M is a quad 2-input AND gate that performs logical AND operations on two input signals.
• It provides four independent AND gates in a single package, allowing for compact circuit designs.
• The inputs and outputs are TTL compatible, making it compatible with a wide range of digital systems.
• It operates at high speed, with a maximum propagation delay time of 9ns.
• The chip is designed to be resistant to noise and interference, ensuring reliable operation in various environments.

Advantages and Disadvantages

Advantages: - Compact design with four gates in a single package - TTL compatible inputs and outputs - High-speed operation - Noise-resistant design

Disadvantages: - Limited number of gates compared to larger ICs - Requires external components for more complex logic operations

Working Principles

The DM74AS08M operates based on the principles of digital logic. Each of the four 2-input AND gates within the chip takes two input signals and produces an output signal based on the logical AND operation. The inputs and outputs are connected internally using transistors and other electronic components.

Detailed Application Field Plans

The DM74AS08M can be used in various applications that require logical AND operations. Some common application fields include:

1. Digital circuit design
2. Microprocessor systems
3. Data processing units
4. Communication equipment
5. Control systems
6. Industrial automation

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the DM74AS08M. Some popular alternatives include:

1. SN74LS08: Quad 2-input AND gate from Texas Instruments
2. CD4081: Quad 2-input AND gate from Fairchild Semiconductor
3. MC14008: Quad 2-input AND gate from ON Semiconductor
4. HCF4081: Quad 2-input AND gate from STMicroelectronics

These alternative models provide similar characteristics and can be used as substitutes depending on availability and specific requirements.

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