SN74LVCH244ADW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, High-Speed, Octal Bus Buffer with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in various electronic systems.
• Packaging/Quantity: The SN74LVCH244ADW is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Number of Channels: 8
• Output Current: ±12mA
• Propagation Delay: 2.9ns (max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH244ADW has a total of 20 pins, which are assigned as follows:

1. A1 - Input 1
2. Y1 - Output 1
3. A2 - Input 2
4. Y2 - Output 2
5. GND - Ground
6. Y3 - Output 3
7. A3 - Input 3
8. Y4 - Output 4
9. A4 - Input 4
10. Y5 - Output 5
11. A5 - Input 5
12. Y6 - Output 6
13. A6 - Input 6
14. Y7 - Output 7
15. A7 - Input 7
16. Y8 - Output 8
17. OE - Output Enable
18. VCC - Power Supply
19. GND - Ground
20. A8 - Input 8

Functional Features

• Octal buffer with 3-state outputs
• High-speed operation, suitable for various digital systems
• Low-voltage operation, compatible with both 3.3V and 5V systems
• Output enable (OE) pin allows for easy control of the output state
• Provides buffering and line driving capabilities for digital signals

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-voltage operation allows compatibility with multiple systems - 3-state outputs provide flexibility in controlling signal flow - Compact SOIC package offers space-saving integration

Disadvantages: - Limited number of channels (8) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVCH244ADW operates by receiving digital input signals on its eight input pins (A1 to A8). These signals are then buffered and amplified internally. The output state of each channel (Y1 to Y8) can be controlled using the OE (Output Enable) pin. When the OE pin is high, the outputs are enabled and reflect the input signals. Conversely, when the OE pin is low, the outputs are disabled and enter a high-impedance state.

Detailed Application Field Plans

The SN74LVCH244ADW finds applications in various electronic systems, including:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data storage devices
4. Industrial automation equipment
5. Automotive electronics
6. Consumer electronics
7. Medical devices
8. Test and measurement instruments

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar octal buffer IC with 3-state outputs, operates at a lower voltage range (1.65V to 3.6V).
2. SN74LVCH245A: Octal bus transceiver with 3-state outputs, provides bidirectional data transfer capability.
3. SN74LVC541A: Octal buffer/line driver with 3-state outputs, operates at a lower voltage range (1.65V to 3.6V).

These alternative models offer similar functionality and can be considered as substitutes for the SN74LVCH244ADW in different applications.

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