SN74LVCH244ARGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, High-Speed, Octal Bus Buffer with 3-State Outputs
• Package: 20-VQFN (4x4)
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in various applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Channels: 8
• Output Type: 3-State
• Input/Output Compatibility: LVTTL, LVCMOS
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH244ARGYR has a 20-pin VQFN package with the following pin configuration:

___________ | | 1 | 20 | GND 2 | 19 | A1 3 | 18 | Y1 4 | 17 | A2 5 | 16 | Y2 6 | 15 | A3 7 | 14 | Y3 8 | 13 | VCC 9 | 12 | OE# 10 | 11 | Y4 |___________|

Functional Features

• Low-voltage operation allows compatibility with a wide range of digital systems.
• High-speed performance enables efficient signal buffering and line driving.
• 3-state outputs provide flexibility in controlling the output state.
• Octal bus buffer design allows for multiple input and output connections.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enhances compatibility. - High operating frequency enables fast data transmission. - 3-state outputs allow for easy bus sharing and multiplexing. - Small package size saves board space.

Disadvantages: - Limited number of channels may not be suitable for applications requiring more than 8 signals. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The SN74LVCH244ARGYR operates by receiving digital input signals on its A1 to A8 pins. These signals are then buffered and amplified internally before being transmitted to the corresponding Y1 to Y8 output pins. The OE# pin controls the output enable/disable state, allowing the outputs to be tri-stated when necessary. The IC operates within the specified voltage range and provides reliable signal buffering and line driving capabilities.

Detailed Application Field Plans

The SN74LVCH244ARGYR is commonly used in various digital systems and applications, including:

1. Microcontrollers: Provides signal buffering between microcontroller pins and external devices.
2. Communication Systems: Enables line driving for data transmission between different communication modules.
3. Memory Interfaces: Facilitates signal buffering and amplification between memory modules and controllers.
4. Industrial Automation: Used for signal conditioning and driving in control systems.
5. Automotive Electronics: Provides buffering and line driving functions in automotive applications.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar octal bus buffer with 3-state outputs, but operates at a higher voltage range (1.65V to 5.5V).
2. SN74LVCH245A: Octal bus transceiver with 3-state outputs, allowing bidirectional data transmission.
3. SN74LVC541A: Octal buffer/line driver with 3-state outputs and increased output drive capability.

These alternative models offer similar functionality to the SN74LVCH244ARGYR but may have different voltage ranges, additional features, or higher performance characteristics.

Word count: 511 words