74HCT244D,653

Product Overview

Category

The 74HCT244D,653 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal amplification and buffering in digital electronic circuits.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Schmitt-trigger action on all inputs

Package

The 74HCT244D,653 is available in a standard SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to amplify and buffer digital signals effectively.

Packaging/Quantity

The 74HCT244D,653 is typically packaged in reels or tubes, containing a specific quantity of ICs per package.

Specifications

• Supply Voltage: 2.0V to 6.0V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 3.5pF
• Output Capacitance: 6pF
• Propagation Delay: 9ns (max)
• Output Current: ±6mA

Detailed Pin Configuration

The 74HCT244D,653 has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output 4
2. Pin 2: Output 4 Enable
3. Pin 3: Input 4
4. Pin 4: Input 3
5. Pin 5: Output 3
6. Pin 6: Output 3 Enable
7. Pin 7: Ground (GND)
8. Pin 8: Output 2
9. Pin 9: Output 2 Enable
10. Pin 10: Input 2
11. Pin 11: Input 1
12. Pin 12: Output 1
13. Pin 13: Output 1 Enable
14. Pin 14: VCC (+5V)
15. Pin 15: Output 0
16. Pin 16: Output 0 Enable
17. Pin 17: Input 0
18. Pin 18: Enable G
19. Pin 19: Enable A
20. Pin 20: Enable B

Functional Features

The 74HCT244D,653 offers the following functional features:

• Octal buffer/line driver with 3-state outputs
• Non-inverting outputs
• High output current capability
• Outputs can be disabled for bus-oriented applications

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient signal processing.
• Low power consumption helps in reducing energy usage.
• Wide operating voltage range provides flexibility in various applications.
• Compatibility with TTL inputs enables seamless integration with existing circuits.
• Schmitt-trigger action on all inputs ensures noise immunity.

Disadvantages

• Limited output current may restrict its use in certain high-power applications.
• The SOIC package may not be suitable for all circuit designs.

Working Principles

The 74HCT244D,653 operates by receiving digital input signals and amplifying/buffering them to provide corresponding output signals. It utilizes a combination of transistors and logic gates to achieve this functionality. The IC's internal circuitry is designed to ensure fast and reliable signal propagation while minimizing power consumption.

Detailed Application Field Plans

The 74HCT244D,653 finds extensive application in various digital electronic systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Data communication systems
3. Memory interfaces
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74HCT244D,653. Some notable alternatives include:

• SN74HCT244N by Texas Instruments
• MC74HCT244AN by ON Semiconductor
• CD74HCT244E by Texas Instruments
• 74HCT244PW by NXP Semiconductors

These alternative models may have slight variations in specifications, pin configuration, or package type, but they serve the same purpose of signal amplification and buffering.

In conclusion, the 74HCT244D,653 is a versatile integrated circuit widely used for signal amplification and buffering in digital electronic circuits. Its high-speed operation, low power consumption, and compatibility with TTL inputs make it a popular choice among designers. With its various applications and availability of alternative models, the 74HCT244D,653 continues to play a crucial role in