SN74LV244APWRG3

Product Overview

• Category: Integrated Circuit
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, Octal Bus Buffer with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This integrated circuit is designed to provide buffering and line driving capabilities for digital signals in low-voltage applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 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 SN74LV244APWRG3 has a total of 20 pins, which are arranged as follows:

__ __ A1 |1 \__/ 20| VCC A2 |2 19| B1 A3 |3 18| B2 A4 |4 17| B3 A5 |5 16| B4 A6 |6 15| B5 A7 |7 14| B6 A8 |8 13| B7 GND |9 12| B8 OE |10 11| GND ----------

Functional Features

• Low-voltage operation allows compatibility with a wide range of digital systems.
• Octal bus buffer provides efficient signal buffering and line driving capabilities.
• 3-state outputs allow for easy control of the output state, enabling bus sharing between multiple devices.

Advantages

• Wide supply voltage range allows for flexibility in various low-voltage applications.
• High-speed operation (up to 100MHz) enables efficient data transfer.
• 3-state outputs provide flexibility in bus sharing scenarios.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring more inputs/outputs.
• TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The SN74LV244APWRG3 operates by receiving digital input signals on its A1-A8 pins. These signals are then buffered and amplified internally before being driven out through the B1-B8 pins. The OE (Output Enable) pin controls the output state, allowing the device to be enabled or disabled as needed.

Detailed Application Field Plans

The SN74LV244APWRG3 is commonly used in various low-voltage digital systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data acquisition systems
4. Industrial automation
5. Consumer electronics

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar octal bus buffer with 3-state outputs, but operates at a wider supply voltage range of 1.2V to 3.6V.
2. SN74LV245A: Octal bus transceiver with 3-state outputs, providing bidirectional data transfer capability.
3. SN74LV541A: Octal buffer/line driver with 3-state outputs, designed for higher drive current applications.

These alternative models offer similar functionality to the SN74LV244APWRG3 but may have different specifications or package options to suit specific requirements.

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