Encyclopedia Entry: 74LVT244MSA

Product Overview

Category

The 74LVT244MSA belongs to the category of integrated circuits (ICs), specifically a type of buffer/line driver.

Use

This IC is commonly used for signal buffering and line driving in various electronic applications.

Characteristics

• Low-voltage operation: The 74LVT244MSA operates at low voltage levels, typically between 2.7V and 3.6V.
• High-speed performance: It offers fast switching times and high data transfer rates.
• Tri-state outputs: The IC features tri-state outputs, allowing for efficient bus sharing and signal isolation.
• Wide operating temperature range: It can operate reliably across a wide temperature range, from -40°C to 85°C.

Package and Quantity

The 74LVT244MSA is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units, with quantities varying based on the supplier and customer requirements.

Essence

The essence of the 74LVT244MSA lies in its ability to provide reliable signal buffering and line driving functionality while operating at low voltages and high speeds.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to Vcc
• Output Voltage Range: 0V to Vcc
• Maximum Operating Frequency: XX MHz
• Number of Channels: 8
• Logic Family: LVT
• Logic Type: Buffer/Line Driver
• Package Type: SOIC
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The 74LVT244MSA has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output Enable (OE) 1
2. Pin 2: Input/Output (I/O) 1
3. Pin 3: I/O 2
4. Pin 4: GND (Ground)
5. Pin 5: I/O 3
6. Pin 6: I/O 4
7. Pin 7: Vcc (Supply Voltage)
8. Pin 8: I/O 5
9. Pin 9: I/O 6
10. Pin 10: I/O 7
11. Pin 11: I/O 8
12. Pin 12: OE 2
13. Pin 13: I/O 9
14. Pin 14: I/O 10
15. Pin 15: GND
16. Pin 16: I/O 11
17. Pin 17: I/O 12
18. Pin 18: I/O 13
19. Pin 19: I/O 14
20. Pin 20: Vcc

Functional Features

The 74LVT244MSA offers the following functional features:

• Signal buffering: It amplifies and strengthens input signals, ensuring reliable transmission to connected devices.
• Line driving: It provides sufficient current and voltage levels to drive signals over long distances or through multiple interconnected components.
• Tri-state outputs: The tri-state outputs allow for efficient bus sharing, enabling multiple devices to share a common data bus without interference.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Low-voltage operation allows compatibility with modern low-power systems.
• High-speed performance enables fast data transfer rates.
• Tri-state outputs facilitate efficient bus sharing.
• Wide operating temperature range ensures reliability in various environments.
• Small package size saves board space.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
• Lack of built-in protection features against voltage spikes or electrostatic discharge (ESD) events.

Working Principles

The 74LVT244MSA operates based on the principles of digital logic. It receives input signals and amplifies them to appropriate voltage levels using internal circuitry. The amplified signals are then driven through the outputs, enabling reliable transmission to connected devices. The tri-state outputs allow for efficient bus sharing by enabling or disabling the output drivers as needed.

Detailed Application Field Plans

The 74LVT244MSA finds applications in various fields, including:

1. Computer systems: Used for signal buffering and line driving in data buses, address buses, and control lines.
2. Communication systems: Employed in networking equipment, routers, and switches for signal amplification and driving.
3. Industrial automation: Utilized in PLCs (Programmable Logic Controllers), motor control circuits, and sensor interfaces.
4. Automotive electronics: Integrated into automotive control units, infotainment systems