SN74LV244AMDWREP

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Translator
• Characteristics: Low-Voltage, Octal Buffer/Line Driver with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This integrated circuit is designed to provide voltage level translation between different logic levels in electronic circuits.
• Packaging/Quantity: The SN74LV244AMDWREP is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Logic Family: LV (Low Voltage)
• Number of Channels: 8
• Output Type: 3-State
• Propagation Delay: 4.3 ns (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LV244AMDWREP 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. GND (Ground)
9. Y4
10. A5
11. Y5
12. A6
13. Y6
14. A7
15. Y7
16. A8
17. VCC (Power Supply)
18. OE (Output Enable)
19. Y8
20. GND (Ground)

Functional Features

• Provides voltage level translation between different logic levels.
• Allows interfacing between devices operating at different voltage levels.
• Supports bidirectional data flow.
• Features 3-state outputs for bus-oriented applications.
• Offers high-speed operation with low power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs enable easy bus sharing and multiplexing. - Low propagation delay ensures fast signal transmission. - Compact SOIC package offers space-saving integration.

Disadvantages: - Limited to 8 channels, may not be suitable for applications requiring more channels. - Operating temperature range may not be suitable for extreme environments. - Requires careful consideration of voltage level compatibility to avoid signal distortion.

Working Principles

The SN74LV244AMDWREP operates by receiving input signals at the A1-A8 pins and translating them to the corresponding output signals at the Y1-Y8 pins. The voltage level translation is achieved through a combination of internal circuitry that adapts the logic levels to match the desired output voltage range. The OE pin controls the output enable function, allowing the device to enter a high-impedance state when disabled.

Detailed Application Field Plans

The SN74LV244AMDWREP is commonly used in various electronic systems where voltage level translation is required. Some typical application fields include:

1. Microcontroller interfacing with different peripheral devices operating at different voltage levels.
2. Communication systems involving multiple devices communicating over a shared bus.
3. Industrial automation systems requiring reliable signal transmission between different modules.
4. Automotive electronics for level shifting between sensors and control units.
5. Consumer electronics for voltage level adaptation between different integrated circuits.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar functionality with improved voltage tolerance.
2. SN74HCT244: Higher voltage handling capability but slower speed.
3. SN74LV245A: Bidirectional voltage level translator with direction control.

These alternative models offer similar voltage level translation capabilities but may have different specifications and features that cater to specific application requirements.

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