DM74AS244N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, non-inverting, 3-state output
• Package: DIP (Dual In-line Package)
• Essence: The DM74AS244N is a high-performance buffer/line driver IC that provides non-inverting, 3-state outputs. It is designed to interface between different logic families and can be used in various applications where signal buffering or line driving is required.
• Packaging/Quantity: The DM74AS244N is typically available in a DIP package with a quantity of 1 per package.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 9ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

The DM74AS244N has a total of 20 pins, which are assigned as follows:

• Pins 1 to 7: A1 to A7 (Input Pins)
• Pins 8 to 14: Y1 to Y7 (Output Pins)
• Pin 15: GND (Ground)
• Pin 16: Y8 (Output Pin)
• Pins 17 to 19: A8 to A10 (Input Pins)
• Pin 20: Vcc (Power Supply)

Functional Features

• Non-inverting buffer/line driver
• 3-state outputs for bus-oriented applications
• High-speed operation
• TTL-compatible inputs
• Wide operating voltage range
• High output current capability

Advantages and Disadvantages

Advantages

• Provides non-inverting buffer/line driver functionality
• Supports 3-state outputs for bus-oriented applications
• High-speed operation allows for efficient signal transmission
• Wide operating voltage range ensures compatibility with various systems
• High output current capability enables driving of multiple loads

Disadvantages

• Limited number of input and output pins (10 in total)
• Requires external components for proper functioning in complex circuits
• Not suitable for applications requiring bidirectional communication

Working Principles

The DM74AS244N operates by receiving input signals on the A1 to A10 pins. These inputs are then amplified and non-inverted by internal circuitry. The resulting output signals are available on the Y1 to Y8 pins. The 3-state outputs allow the IC to be connected to a common bus, enabling multiple devices to share the same communication lines without interference.

Detailed Application Field Plans

The DM74AS244N can be used in various applications, including:

1. Data communication systems
2. Address decoding circuits
3. Memory interfacing
4. Bus drivers
5. Clock distribution networks
6. Industrial automation systems
7. Robotics
8. Automotive electronics
9. Test and measurement equipment
10. Audio/video signal buffering

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the DM74AS244N include:

1. SN74LS244N
2. CD74HC244E
3. MC74ACT244DW
4. 74HCT244N
5. TC74HC244AF

These alternatives may have slight differences in specifications, pin configuration, or package type, but they serve the same purpose of providing buffer/line driver functionality.

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