SN74LVC2244ADW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-voltage, high-speed, octal buffer/line driver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile IC that provides buffering and line driving capabilities for digital signals
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 80MHz
• Number of Buffers/Drivers: 8
• Input/Output Type: Non-Inverting

Detailed Pin Configuration

The SN74LVC2244ADW has a total of 20 pins, which are arranged as follows:

1. GND (Ground)
2. A1 (Input/Output)
3. B1 (Input/Output)
4. Y1 (Output)
5. A2 (Input/Output)
6. B2 (Input/Output)
7. Y2 (Output)
8. A3 (Input/Output)
9. B3 (Input/Output)
10. Y3 (Output)
11. A4 (Input/Output)
12. B4 (Input/Output)
13. Y4 (Output)
14. VCC (Supply Voltage)
15. OE (Output Enable)
16. Y5 (Output)
17. A5 (Input/Output)
18. B5 (Input/Output)
19. Y6 (Output)
20. GND (Ground)

Functional Features

• Octal buffer/line driver with 3-state outputs
• Non-inverting input/output
• High-speed operation
• Low-voltage operation
• Output enable control for easy interfacing with other devices
• Wide supply voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal buffering and line driving - Low-voltage operation makes it suitable for use in low-power applications - Output enable control provides flexibility in interfacing with other devices - Wide supply voltage range ensures compatibility with different system requirements

Disadvantages: - Limited number of buffers/drivers (8) may not be sufficient for complex applications requiring more channels - Non-inverting nature of the input/output may not be suitable for certain circuit configurations

Working Principles

The SN74LVC2244ADW operates by receiving digital signals at its input pins (A1 to A8, B1 to B8) and providing buffered output signals at its corresponding output pins (Y1 to Y8). The non-inverting nature of the input/output ensures that the output signal matches the input signal.

The output enable pin (OE) controls the state of the output drivers. When OE is high, the outputs are enabled and actively driven. When OE is low, the outputs are in a high-impedance state, allowing other devices to drive the bus lines.

The IC operates within a specified supply voltage range (1.65V to 3.6V) and can handle high-frequency signals up to 80MHz.

Detailed Application Field Plans

The SN74LVC2244ADW is commonly used in various applications, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers with other digital devices, providing buffering and line driving capabilities.
2. Data communication systems: It can be used in data communication systems to buffer and drive digital signals between different components.
3. Memory systems: It can be used in memory systems to ensure proper signal integrity during data transfers.
4. Industrial automation: It can be used in industrial automation systems for signal conditioning and interfacing purposes.

Detailed and Complete Alternative Models

1. SN74LVC244ADW: Similar octal buffer/line driver with 3-state outputs, but with different pin configuration.
2. SN74LVC4245ADW: Octal bus transceiver with 3-state outputs, providing bidirectional data transfer capabilities.
3. SN74LVC573ADW: Octal transparent latch with 3-state outputs, suitable for applications requiring latching functionality.

These alternative models offer similar functionalities to the SN74LVC2244ADW but may have different pin configurations or additional features depending on specific application requirements.

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