MC74LVX244MELG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics:
  • Low-voltage operation
  • High-speed performance
  • Wide operating temperature range
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level shifting and signal buffering
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Input Current: ±10mA
• Maximum Output Current: ±24mA
• Propagation Delay Time: 6ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVX244MELG has a total of 20 pins arranged in a dual-in-line package (DIP). The pin configuration is as follows:

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

Functional Features

• Logic Level Shifting: The MC74LVX244MELG is designed to shift logic levels from one voltage domain to another, allowing compatibility between different voltage systems.
• Signal Buffering: It provides high-speed buffering of signals, ensuring reliable transmission and reception of digital data.
• Wide Operating Temperature Range: The IC can operate in a wide temperature range, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with modern low-power devices. - High-speed performance ensures efficient signal transmission. - Wide operating temperature range enables usage in extreme conditions.

Disadvantages: - Limited input and output current capacity may restrict its use in high-current applications. - The package size may not be suitable for space-constrained designs.

Working Principles

The MC74LVX244MELG operates by receiving logic level signals at its input pins (A1-A6) and shifting them to the corresponding output pins (Y1-Y8). The OE# pins control the enable/disable function of the outputs. When the OE# pins are active (low), the outputs follow the inputs. When the OE# pins are inactive (high), the outputs are in a high-impedance state.

Detailed Application Field Plans

The MC74LVX244MELG is commonly used in various digital systems where logic level shifting and signal buffering are required. Some specific application fields include:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Sensor Interfaces: It enables interfacing between sensors and microcontrollers with different voltage requirements.
3. Communication Systems: It can be used in data transmission circuits to ensure reliable signal transfer between different voltage domains.
4. Industrial Automation: It finds applications in industrial control systems that require logic level shifting and signal buffering.

Detailed and Complete Alternative Models

1. SN74LVX244: Similar logic level shifter IC from Texas Instruments.
2. 74HCT244: Octal buffer/line driver IC from NXP Semiconductors.
3. CD74HC244: High-speed CMOS logic octal buffer/line driver IC from Texas Instruments.

These alternative models offer similar functionality and can be used as substitutes for the MC74LVX244MELG in various applications.

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