Encyclopedia Entry: 74VHCT244BQ,115

Product Overview

Category

The 74VHCT244BQ,115 belongs to the category of integrated circuits (ICs) and specifically falls under the family of buffer/line drivers.

Use

This IC is commonly used for signal buffering and line driving applications in electronic circuits. It helps in maintaining signal integrity and ensuring proper voltage levels during data transmission.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger inputs for noise immunity
• 3-state outputs for bus-oriented applications

Package

The 74VHCT244BQ,115 is available in a standard SOIC (Small Outline Integrated Circuit) package. The package provides protection and easy integration into circuit boards.

Essence

The essence of this product lies in its ability to amplify and buffer digital signals, ensuring reliable and accurate data transmission within electronic systems.

Packaging/Quantity

The 74VHCT244BQ,115 is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 125 MHz
• Number of Channels: 8
• Output Current: ±6 mA
• Propagation Delay Time: 4.5 ns (typical)

Detailed Pin Configuration

The 74VHCT244BQ,115 has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Input/Output (IO1)
3. Pin 3: Input/Output (IO2)
4. Pin 4: Ground (GND)
5. Pin 5: Input/Output (IO3)
6. Pin 6: Input/Output (IO4)
7. Pin 7: Input/Output (IO5)
8. Pin 8: Input/Output (IO6)
9. Pin 9: VCC
10. Pin 10: Input/Output (IO7)
11. Pin 11: Input/Output (IO8)
12. Pin 12: Output Enable (OE)
13. Pin 13: Input/Output (IO9)
14. Pin 14: Input/Output (IO10)
15. Pin 15: Input/Output (IO11)
16. Pin 16: Input/Output (IO12)
17. Pin 17: Input/Output (IO13)
18. Pin 18: Input/Output (IO14)
19. Pin 19: Input/Output (IO15)
20. Pin 20: VCC

Functional Features

• Buffering and line driving capability for digital signals
• Schmitt-trigger inputs provide noise immunity and signal conditioning
• 3-state outputs allow for bus-oriented applications
• High-speed operation enables efficient data transmission
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• Schmitt-trigger inputs ensure reliable signal reception in noisy environments
• 3-state outputs facilitate bus sharing and reduce conflicts
• High-speed operation enables quick data transfer
• Low power consumption contributes to energy-efficient designs

Disadvantages

• Limited output current may restrict usage in certain high-current applications
• Propagation delay time may affect timing-sensitive circuits

Working Principles

The 74VHCT244BQ,115 operates by receiving digital input signals and amplifying them to appropriate voltage levels. The Schmitt-trigger inputs help in conditioning the received signals, ensuring noise immunity. The buffered signals are then driven to the output pins, which can be enabled or disabled using the Output Enable (OE) pins. The 3-state outputs allow multiple devices to share a common bus without conflicts.

Detailed Application Field Plans

The 74VHCT244BQ,115 finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74VHCT244BQ,115 include: - SN74LVC244A from Texas Instruments - MC74VHC244 from ON Semiconductor - CD74HCT244 from Texas Instruments - 74ACT244 from Fairchild Semiconductor

These alternatives may have slight variations in specifications and pin configurations, so it is important to refer to their respective datasheets for detailed information