MC74HC244ADTG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, CMOS Logic, Octal 3-State Non-Inverting Buffer/Line Driver
• Package: TSSOP-20
• Essence: The MC74HC244ADTG is a high-speed CMOS logic IC that provides eight non-inverting buffer/line driver functions. It is designed to be used in various digital applications where signal buffering or line driving is required.
• Packaging/Quantity: The MC74HC244ADTG is available in a TSSOP-20 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 10 ns (typical)
• Output Drive Capability: ±25 mA

Pin Configuration

The MC74HC244ADTG has a total of 20 pins, which are assigned as follows:

1. A1 (Input)
2. Y1 (Output)
3. A2 (Input)
4. Y2 (Output)
5. A3 (Input)
6. Y3 (Output)
7. A4 (Input)
8. Y4 (Output)
9. GND (Ground)
10. Y5 (Output)
11. A5 (Input)
12. Y6 (Output)
13. A6 (Input)
14. Y7 (Output)
15. A7 (Input)
16. Y8 (Output)
17. OE (Output Enable)
18. VCC (Power Supply)
19. NC (No Connection)
20. GND (Ground)

Functional Features

• Eight non-inverting buffer/line driver functions
• High-speed operation
• CMOS logic compatible inputs
• 3-state outputs for bus-oriented applications
• Low power consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient signal buffering and line driving.
• CMOS logic compatibility ensures easy integration with other digital circuits.
• 3-state outputs enable bus-oriented applications, providing flexibility in data transmission.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range allows for versatile use in various electronic systems.

Disadvantages

• Limited output drive capability may not be suitable for high-current applications.
• The TSSOP-20 package may require careful handling during assembly to avoid damage.

Working Principles

The MC74HC244ADTG operates based on CMOS technology, which provides high-speed performance and low power consumption. It consists of eight non-inverting buffer/line driver functions that can be used to amplify or buffer digital signals. The 3-state outputs allow multiple devices to share a common bus, enabling bidirectional communication.

Detailed Application Field Plans

The MC74HC244ADTG is commonly used in the following application fields:

1. Microcontroller interfacing
2. Data communication systems
3. Memory address decoding
4. Bus drivers
5. Clock distribution networks
6. Signal amplification

Detailed and Complete Alternative Models

1. SN74HC244N: Similar octal buffer/line driver IC from Texas Instruments, available in DIP-20 package.
2. CD74HC244E: Octal buffer/line driver IC from Texas Instruments, available in PDIP-20 package.
3. 74HCT244: Octal buffer/line driver IC from NXP Semiconductors, available in various packages.

These alternative models offer similar functionality and can be used as replacements for the MC74HC244ADTG in different applications.

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