SN74HC244PWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, CMOS technology
• Package: TSSOP-20
• Essence: Non-inverting octal buffer/line driver
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 80 MHz
• Number of Buffers/Drivers: 8
• Output Current: ±6mA
• Propagation Delay Time: 10 ns (typical)

Detailed Pin Configuration

The SN74HC244PWRE4 has a TSSOP-20 package with the following pin configuration:

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

Functional Features

• Non-inverting buffer/line driver
• High-speed operation suitable for various applications
• CMOS technology for low power consumption
• 3-state outputs for bus-oriented applications
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - CMOS technology ensures low power consumption - 3-state outputs enable bus-oriented applications - Schmitt-trigger inputs provide noise immunity

Disadvantages: - Limited output current may not be suitable for high-power applications - Propagation delay time may affect timing-sensitive systems

Working Principles

The SN74HC244PWRE4 is an octal buffer/line driver that operates using CMOS technology. It provides non-inverting functionality, meaning the output signal follows the input signal without inversion. The device has 8 buffers/drivers, each capable of driving ±6mA of output current.

The IC operates within a supply voltage range of 2V to 6V and can handle input voltages from 0V to VCC. The outputs can also swing between 0V and VCC. With a maximum operating frequency of 80 MHz, the SN74HC244PWRE4 is suitable for high-speed applications.

The device features 3-state outputs, which allow multiple drivers to share a common bus. This feature is particularly useful in bus-oriented systems where multiple devices need to communicate with each other. The Schmitt-trigger inputs provide noise immunity, ensuring reliable operation even in noisy environments.

Detailed Application Field Plans

The SN74HC244PWRE4 is widely used in various applications, including:

1. Data communication systems: The high-speed operation and 3-state outputs make it suitable for driving data buses in communication systems.
2. Industrial automation: The buffer/line driver can be used to interface between different components in industrial automation systems, ensuring reliable and efficient data transfer.
3. Automotive electronics: The IC can be utilized in automotive electronics for signal buffering and driving applications, such as in-car communication systems and control modules.
4. Consumer electronics: The non-inverting functionality and low power consumption make it suitable for use in consumer electronic devices, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74HC244N: DIP-20 package, similar specifications and features as SN74HC244PWRE4.
2. SN74HCT244PW: TSSOP-20 package, operates at a wider supply voltage range (4.5V to 5.5V), compatible with TTL logic levels.
3. SN74LVC244APW: TSSOP-20 package, operates at a lower supply voltage range (1.65V to 3.6V), provides lower power consumption.

These alternative models offer similar functionality and can be used as replacements for the SN74HC244PWRE4 depending on specific requirements and constraints.

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