SN74LV244ADBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-voltage, Octal Bus Buffer with 3-State Outputs
• Package: SSOP (Shrink Small Outline Package)
• 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
• 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: 0.4V
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Output Type: 3-State

Detailed Pin Configuration

The SN74LV244ADBR has a total of 20 pins arranged as follows:

__ __ A1 |1 \__/ 20| VCC B1 |2 19| B2 A2 |3 18| A3 B3 |4 17| B4 A4 |5 SN 16| A5 B5 |6 74 15| B6 A6 |7 LV 14| A7 B7 |8 244 13| B8 GND |9 12| OE# Y |10 11| GND ----------

Functional Features

• Low-voltage operation allows compatibility with various digital systems.
• Octal bus buffer with 3-state outputs provides efficient signal buffering and line driving capabilities.
• 3-state outputs allow multiple devices to share a common bus without interference.
• High-speed operation up to 100MHz enables reliable data transmission in fast-paced applications.

Advantages and Disadvantages

Advantages: - Low-voltage operation makes it suitable for modern low-power electronic devices. - 3-state outputs enable efficient bus sharing and reduce power consumption. - High-speed operation ensures reliable data transfer in time-critical applications.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections. - SSOP package may require specialized equipment for soldering and handling.

Working Principles

The SN74LV244ADBR operates by receiving digital input signals on its A1-A8 pins. These signals are then buffered and amplified internally before being transmitted to the corresponding Y1-Y8 output pins. The OE# pin controls the output state, allowing the device to be enabled or disabled as needed. When the OE# pin is high, the outputs are in a high-impedance state, effectively disconnecting them from the bus.

Detailed Application Field Plans

The SN74LV244ADBR is commonly used in various applications, including:

1. Microcontroller interfacing: It can be used to buffer and drive digital signals between microcontrollers and peripheral devices such as sensors, displays, and memory modules.
2. Communication systems: The IC facilitates signal buffering and line driving in communication systems, ensuring reliable data transmission between different components.
3. Industrial automation: It finds application in industrial control systems where it helps interface between digital control units and actuators, motors, and other devices.
4. Automotive electronics: The IC is suitable for automotive applications, providing signal buffering and line driving capabilities in vehicle control systems.
5. Consumer electronics: It can be utilized in consumer electronic devices like smartphones, tablets, and gaming consoles to enable efficient signal transmission between various components.

Detailed and Complete Alternative Models

1. SN74LV244A: Similar to SN74LV244ADBR, but available in a different package (TSSOP).
2. SN74LVC244A: A similar IC with enhanced voltage compatibility (1.65V to 3.6V) and higher operating frequency (125MHz).
3. SN74HCT244: A compatible IC with TTL-level inputs and outputs, suitable for interfacing with older TTL-based systems.
4. SN74HC244: Another alternative with TTL-level inputs and outputs, offering high-speed operation and wide supply voltage range.

These alternative models provide similar functionality to the SN74LV244ADBR, catering to different application requirements and design constraints.

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