SN74HC244QDWREP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics:
  • High-speed CMOS technology
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74HC244QDWREP is a high-performance octal buffer and line driver designed for general-purpose digital logic applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 8 ns (typical)
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The SN74HC244QDWREP has a total of 20 pins. The pin configuration is as follows:

1. A1
2. Y1
3. A2
4. Y2
5. A3
6. Y3
7. A4
8. Y4
9. GND
10. Y5
11. A5
12. Y6
13. A6
14. Y7
15. A7
16. Y8
17. VCC
18. OE (Output Enable)
19. GND
20. OE (Output Enable)

Functional Features

• Octal buffer and line driver with 3-state outputs
• Non-inverting outputs
• High output drive capability
• Schmitt-trigger inputs for improved noise immunity
• Output enable control for easy interfacing with other devices

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Low power consumption - Noise immunity due to Schmitt-trigger inputs - Output enable control for flexible interfacing

Disadvantages: - Limited output drive capability compared to some other models - Not suitable for high-current applications

Working Principles

The SN74HC244QDWREP operates as a buffer and line driver by amplifying and buffering digital signals. It takes input signals from the A1-A7 pins and provides amplified outputs on the Y1-Y8 pins. The OE (Output Enable) pins control the output state, allowing the device to be easily interfaced with other devices.

Detailed Application Field Plans

The SN74HC244QDWREP is commonly used in various digital logic applications, including:

1. Microprocessor/Controller Interfacing: It can be used to interface microprocessors or controllers with other peripheral devices, such as memory chips or display modules.
2. Data Communication Systems: It is suitable for use in data communication systems to amplify and buffer digital signals between different components.
3. Industrial Automation: The IC can be utilized in industrial automation systems for signal conditioning and driving various actuators or sensors.
4. Automotive Electronics: It finds application in automotive electronics for signal amplification and buffering in various control modules.

Detailed and Complete Alternative Models

1. SN74HCT244: Similar octal buffer and line driver with TTL-compatible inputs.
2. SN74LS244: Octal buffer and line driver with lower power consumption but slower speed.
3. SN74LV244A: Octal buffer and line driver with low-voltage operation capability.

These alternative models provide similar functionality but may have different characteristics or specifications that suit specific requirements.

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