SN74LVCH244ARGYRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, High-Speed, Octal Bus Buffer with 3-State Outputs
• Package: VQFN-20
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in low-voltage applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Number of Channels: 8
• Output Drive Capability: ±24mA
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH244ARGYRG4 has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Low-voltage operation allows compatibility with a wide range of digital systems.
• High-speed performance enables efficient signal buffering and line driving.
• 3-state outputs provide flexibility in controlling the output state.
• Octal bus buffer design allows for easy interfacing with multiple devices.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - High-speed operation ensures efficient signal transmission. - 3-state outputs allow for flexible control of the output state. - Octal bus buffer design simplifies system integration.

Disadvantages: - Limited number of channels (8) may not be sufficient for certain applications requiring more inputs/outputs. - Propagation delay of 2.5ns (Max) may introduce timing issues in high-frequency applications.

Working Principles

The SN74LVCH244ARGYRG4 operates by receiving digital input signals on its input pins (A1-A6) and providing buffered output signals on its corresponding output pins (Y1-Y8). The output enable pin (OE) controls the state of the outputs, allowing them to be either active or in a high-impedance state.

When the OE pin is low, the outputs are enabled and actively driven according to the input signals. Conversely, when the OE pin is high, the outputs enter a high-impedance state, effectively disconnecting them from the rest of the circuit.

Detailed Application Field Plans

The SN74LVCH244ARGYRG4 can be used in various applications, including but not limited to:

1. Microprocessor/Controller Interfacing: The IC can be employed to interface microprocessors or controllers with other peripheral devices, ensuring proper signal buffering and line driving.

2. Data Communication Systems: It can be utilized in data communication systems to enhance signal integrity and reduce noise interference during data transmission.

3. Memory Modules: The IC can be integrated into memory modules to facilitate data transfer between the memory and other components of a system.

4. Industrial Automation: It finds applications in industrial automation systems where reliable signal buffering and line driving are crucial for efficient operation.

Detailed and Complete Alternative Models

1. SN74LVCH244A: Similar to SN74LVCH244ARGYRG4, but available in different package options.
2. SN74LVC244A: Low-voltage octal buffer with 3-state outputs, suitable for similar applications.
3. SN74LVTH244A: Low-voltage octal buffer/line driver with 3-state outputs, designed for high-speed applications.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific requirements.

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