SN74AHCT244DWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, CMOS Logic, Octal Bus Buffer
• Package: SOIC-20 (Small Outline Integrated Circuit), Wide Body
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in various electronic circuits.
• Packaging/Quantity: Available in reels of 2500 units or tubes of 90 units.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Output Drive Capability: ±24 mA
• Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The SN74AHCT244DWR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• High-Speed Operation: The SN74AHCT244DWR is capable of operating at high speeds, making it suitable for applications that require fast signal buffering.
• CMOS Logic: This IC utilizes CMOS technology, which offers low power consumption and high noise immunity.
• Octal Bus Buffer: With eight input/output channels, this IC can effectively buffer and drive digital signals on an octal bus.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal buffering. - CMOS logic provides low power consumption and high noise immunity. - Octal bus buffer design enables effective signal driving on multiple channels.

Disadvantages: - Limited voltage range (4.5V to 5.5V) may restrict compatibility with certain systems. - Propagation delay time of 6 ns may not be suitable for ultra-high-speed applications.

Working Principles

The SN74AHCT244DWR operates by receiving digital input signals through its eight input pins (A1-A8). These signals are then buffered and amplified by the internal circuitry. The output pins (Y1-Y8) provide the amplified signals, which can be further connected to other components or circuits. The OE (Output Enable) pin controls the output state, allowing the user to enable or disable the output signals as needed.

Detailed Application Field Plans

The SN74AHCT244DWR is commonly used in various electronic applications, including:

1. Microcontrollers: It can be used to interface microcontrollers with external devices, providing signal buffering and driving capabilities.
2. Data Communication Systems: This IC can be employed in data communication systems to amplify and buffer digital signals transmitted over long distances.
3. Industrial Automation: It finds application in industrial automation systems where reliable signal buffering is required for controlling sensors, actuators, and other devices.
4. Automotive Electronics: The SN74AHCT244DWR can be utilized in automotive electronics for signal buffering and driving in various control modules.

Detailed and Complete Alternative Models

1. SN74AHCT244-Q1: This is an automotive-grade version of the SN74AHCT244DWR, designed to meet the specific requirements of automotive applications.
2. SN74LVC244A: This IC offers similar functionality but operates at a lower voltage range (1.65V to 3.6V), making it suitable for low-power applications.
3. SN74HCT244: This model operates at a wider voltage range (4.5V to 5.5V) and provides higher output drive capability, making it suitable for demanding applications.

(Note: The above list is not exhaustive and there may be other alternative models available.)

In conclusion, the SN74AHCT244DWR is a high-speed CMOS octal bus buffer IC that provides efficient signal buffering and driving capabilities. Its compact SOIC-20 package and wide operating temperature range make it suitable for various electronic applications. However, its limited voltage range and propagation