SN74HCT244DWR

Product Overview

Category

SN74HCT244DWR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a buffer or line driver in various electronic applications.

Characteristics

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

Package

SN74HCT244DWR is available in a standard SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74HCT244DWR lies in its ability to provide buffering and driving capabilities, ensuring reliable signal transmission in electronic circuits.

Packaging/Quantity

SN74HCT244DWR is typically packaged in reels containing a quantity of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9 ns (max)
• Output Current: ±4 mA

Detailed Pin Configuration

SN74HCT244DWR consists of 20 pins, which are assigned specific functions as follows:

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

Functional Features

• Buffering: SN74HCT244DWR acts as a buffer, amplifying and stabilizing input signals before transmitting them to the output.
• Line Driving: It provides sufficient driving capability to ensure signal integrity over long distances or when connected to multiple devices.
• Schmitt-trigger Inputs: The Schmitt-trigger inputs allow for noise immunity, ensuring reliable operation even in noisy environments.
• 3-State Outputs: The 3-state outputs enable bus-oriented applications, allowing multiple devices to share a common bus without interference.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient signal transmission.
• Wide operating voltage range allows compatibility with various power supplies.
• Low power consumption contributes to energy efficiency.
• Schmitt-trigger inputs provide noise immunity, enhancing reliability.
• 3-state outputs facilitate bus-oriented applications.

Disadvantages

• Limited output current may restrict certain high-power applications.
• Propagation delay time may affect real-time applications requiring immediate response.

Working Principles

SN74HCT244DWR operates by receiving input signals through its input pins (A1-A8). These signals are then amplified and stabilized within the IC. The buffered signals are subsequently transmitted to the corresponding output pins (Y1-Y8). The Schmitt-trigger inputs ensure noise immunity, while the 3-state outputs enable bus-oriented applications.

Detailed Application Field Plans

SN74HCT244DWR finds extensive application in various electronic systems, including but not limited to: - Microcontrollers - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. SN74HCT244N: DIP (Dual Inline Package) version of SN74HCT244DWR.
2. SN74HCT244PW: TSSOP (Thin Shrink Small Outline Package) version of SN74HCT244DWR.
3. SN74HCT244DBR: SSOP (Shrink Small Outline Package) version of SN74HCT244DWR.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable package for specific applications.

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