Encyclopedia Entry: 74ACTQ244PC

Product Overview

Category

The 74ACTQ244PC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for signal amplification and buffering purposes.

Characteristics

• The 74ACTQ244PC is a high-speed, low-power octal buffer/line driver.
• It operates on a wide voltage range, typically between 2.0V and 5.5V.
• This IC offers non-inverting outputs and tri-state outputs for bus-oriented applications.
• It provides a balanced propagation delay and transition times, making it suitable for high-performance systems.

Package

The 74ACTQ244PC is available in a standard 20-pin plastic dual in-line package (PDIP).

Essence

The essence of the 74ACTQ244PC lies in its ability to amplify and buffer digital signals, ensuring reliable transmission within electronic systems.

Packaging/Quantity

This IC is typically sold in reels or tubes, with each reel containing 250 units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6ns
• Maximum Output Current: ±24mA

Detailed Pin Configuration

The 74ACTQ244PC has a total of 20 pins, which are assigned specific functions as follows:

1. A1: Input pin for data bit 1
2. Y1: Output pin for data bit 1
3. A2: Input pin for data bit 2
4. Y2: Output pin for data bit 2
5. A3: Input pin for data bit 3
6. Y3: Output pin for data bit 3
7. A4: Input pin for data bit 4
8. Y4: Output pin for data bit 4
9. GND: Ground pin
10. Y5: Output pin for data bit 5
11. A5: Input pin for data bit 5
12. Y6: Output pin for data bit 6
13. A6: Input pin for data bit 6
14. Y7: Output pin for data bit 7
15. A7: Input pin for data bit 7
16. Y8: Output pin for data bit 8
17. A8: Input pin for data bit 8
18. OE: Output Enable pin
19. VCC: Power supply pin
20. GND: Ground pin

Functional Features

• The 74ACTQ244PC provides eight non-inverting buffer/line driver channels.
• It offers tri-state outputs, allowing multiple devices to share a common bus without interference.
• This IC has a high output drive capability, enabling it to drive heavily loaded buses efficiently.
• It features balanced propagation delays, ensuring synchronized signal transmission.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer in digital systems.
• Wide voltage range compatibility allows for versatile integration with various electronic components.
• Tri-state outputs facilitate bus sharing and reduce system complexity.
• Balanced propagation delays ensure reliable signal synchronization.

Disadvantages

• Limited output current may restrict its use in applications requiring higher current capabilities.
• The 20-pin package size may not be suitable for space-constrained designs.

Working Principles

The 74ACTQ244PC operates by receiving digital input signals on the A1-A8 pins. These inputs are then amplified and buffered internally. The resulting signals are available at the corresponding Y1-Y8 output pins. The OE (Output Enable) pin controls the tri-state outputs, allowing the IC to be enabled or disabled as required.

Detailed Application Field Plans

The 74ACTQ244PC finds applications in various digital systems, including but not limited to: - Microprocessor-based systems - Data communication systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACTQ244PC include: - 74HC244: High-speed CMOS octal buffer/line driver - SN74LS244: Low-power Schottky TTL octal buffer/line driver - CD74ACT244: Advanced CMOS octal buffer/line driver

These alternatives can be considered based on specific requirements and compatibility with the existing system.

In conclusion, the 74ACTQ244PC is a versatile integrated circuit used for signal amplification and buffering in digital electronic systems. Its high-speed operation, wide voltage range compatibility, and tri-state outputs make it suitable for various applications. However,