SN74LVTH244ARGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, High-Speed, Tri-State Outputs
• Package: 20-pin VQFN (Very Thin Quad Flat No-Lead) package
• Essence: Logic Level Shifter and Line Driver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVTH
• Number of Channels: 8
• Input/Output Type: Non-Inverting
• Output Current: ±12mA
• Propagation Delay Time: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH244ARGYR has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. I/O1 (Bi-directional I/O) 1
4. GND (Ground)
5. I/O2 (Bi-directional I/O) 2
6. A2 (Input) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bi-directional I/O) 3
10. A3 (Input) 3
11. I/O4 (Bi-directional I/O) 4
12. A4 (Input) 4
13. OE (Output Enable) 3
14. I/O5 (Bi-directional I/O) 5
15. A5 (Input) 5
16. I/O6 (Bi-directional I/O) 6
17. A6 (Input) 6
18. OE (Output Enable) 4
19. I/O7 (Bi-directional I/O) 7
20. A7 (Input) 7

Functional Features

• Tri-State Outputs: The SN74LVTH244ARGYR features tri-state outputs, allowing the outputs to be disabled and put into a high-impedance state.
• Non-Inverting Buffer: The IC provides non-inverting buffer functionality, ensuring that the output signal matches the input signal.
• High-Speed Operation: With a propagation delay time of only 3.5ns, this IC is capable of handling high-speed data transmission.

Advantages and Disadvantages

Advantages: - Low voltage operation makes it suitable for battery-powered devices. - Tri-state outputs allow for easy bus sharing and interfacing with other devices. - High-speed operation enables efficient data transfer.

Disadvantages: - Limited number of channels (8) may not be sufficient for certain applications requiring more I/O lines. - Requires careful consideration of power supply voltage range compatibility.

Working Principles

The SN74LVTH244ARGYR is designed to act as a buffer and line driver. It takes in digital signals from the input pins and amplifies them to drive external loads. The tri-state outputs provide flexibility by allowing the outputs to be enabled or disabled, depending on the system requirements. The non-inverting nature of the buffer ensures that the output signal matches the input signal.

Detailed Application Field Plans

The SN74LVTH244ARGYR can be used in various applications, including:

1. Data Communication Systems: It can be employed in data communication systems to amplify and transmit digital signals between different components.
2. Memory Interfacing: The IC can be utilized to interface memory modules with microcontrollers or processors, ensuring proper signal levels and driving capability.
3. Bus Sharing: With its tri-state outputs, the IC is suitable for bus sharing applications where multiple devices need to communicate over a common bus.

Detailed and Complete Alternative Models

1. SN74LVTH244A: Similar to SN74LVTH244ARGYR but available in different package options.
2. SN74LVC244A: A similar line driver/buffer IC with lower voltage operation (1.65V to 3.6V) and higher output current capability.

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