SN74LVC2244ADWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, Octal Buffer/Line Driver 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 low voltage applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 80MHz
• Number of Channels: 8
• Output Type: 3-State

Detailed Pin Configuration

The SN74LVC2244ADWR has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Octal buffer/line driver with 3-state outputs
• Supports both TTL and CMOS voltage levels
• Provides buffering and line driving capabilities for digital signals
• Allows multiple devices to be connected to a common bus without contention
• Enables bidirectional communication between different parts of a system

Advantages and Disadvantages

Advantages: - Low voltage operation makes it suitable for battery-powered applications - 3-state outputs allow for easy bus sharing and control - Wide supply voltage range provides flexibility in various applications - High-speed operation enables efficient data transfer

Disadvantages: - Limited number of channels (8) - May require additional components for certain applications - Sensitive to electrostatic discharge (ESD) and proper handling is required

Working Principles

The SN74LVC2244ADWR operates by receiving digital input signals on its input pins (A1-A8). These signals are then buffered and amplified internally before being transmitted to the corresponding output pins (Y1-Y8). The 3-state outputs allow the IC to be effectively disconnected from the bus when not in use, preventing signal interference.

Detailed Application Field Plans

The SN74LVC2244ADWR is commonly used in various applications, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers with other peripheral devices, such as sensors, actuators, and displays.
2. Data communication: It is suitable for level shifting and signal buffering in serial communication protocols like UART, SPI, and I2C.
3. Memory systems: It can be employed in memory address decoding and bus driving applications.
4. Industrial automation: It finds application in control systems, PLCs (Programmable Logic Controllers), and motor control circuits.

Detailed and Complete Alternative Models

1. SN74LVC244A: Octal Buffer/Line Driver with 3-State Outputs
2. SN74LVC541A: Octal Buffer/Line Driver with 3-State Outputs and Schmitt-Trigger Inputs
3. SN74LVC07A: Hex Buffer/Driver with Open-Drain Outputs
4. SN74LVC125A: Quad Buffer/Driver with 3-State Outputs

These alternative models offer similar functionality and can be used as replacements for the SN74LVC2244ADWR depending on specific requirements.

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