M74HCT244B1R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed CMOS, Octal Bus Buffer with 3-State Outputs
• Package: SOIC-20
• Essence: The M74HCT244B1R is a high-speed CMOS octal bus buffer with 3-state outputs. It is designed to be used as a line driver or buffer in various digital applications.
• Packaging/Quantity: The M74HCT244B1R is available in a small outline integrated circuit (SOIC) package, which contains 20 pins.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 13 ns (max)
• Output Current: ±6 mA (max)

Detailed Pin Configuration

The M74HCT244B1R has a total of 20 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. GND: Ground
2. A1: Input A1
3. B1: Input B1
4. Y1: Output Y1
5. A2: Input A2
6. B2: Input B2
7. Y2: Output Y2
8. GND: Ground
9. A3: Input A3
10. B3: Input B3
11. Y3: Output Y3
12. A4: Input A4
13. B4: Input B4
14. Y4: Output Y4
15. VCC: Supply Voltage
16. OE: Output Enable
17. Y5: Output Y5
18. B5: Input B5
19. A5: Input A5
20. GND: Ground

Functional Features

• Octal buffer with 3-state outputs
• High-speed CMOS technology for fast data transmission
• Wide operating voltage range (4.5V to 5.5V)
• Low power consumption
• Schmitt trigger inputs for noise immunity
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - 3-state outputs provide flexibility in controlling bus lines. - Wide operating voltage range enables compatibility with various systems. - Low power consumption helps conserve energy. - ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited output current may restrict use in certain applications requiring higher drive capabilities. - The SOIC package may not be suitable for all circuit board designs.

Working Principles

The M74HCT244B1R acts as a buffer or line driver by receiving input signals and amplifying them to drive output lines. It operates using high-speed CMOS technology, which allows for fast data transmission. The 3-state outputs enable the device to control the bus lines effectively. The Schmitt trigger inputs provide noise immunity, ensuring reliable operation even in noisy environments. The ESD protection on all inputs and outputs safeguards the IC from electrostatic discharge, enhancing its durability.

Detailed Application Field Plans

The M74HCT244B1R can be used in various digital applications, including but not limited to:

1. Microprocessor-based systems
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

In microprocessor-based systems, the M74HCT244B1R can be used to buffer address and data lines, ensuring reliable communication between the microprocessor and other peripheral devices. In data communication systems, it can be employed to amplify and drive signals along transmission lines. In industrial automation, the IC can serve as a line driver for controlling actuators and sensors. In automotive electronics, it can be utilized for signal buffering in various modules. In consumer electronics, it can be integrated into digital devices to enhance signal integrity.

Detailed and Complete Alternative Models

• SN74HCT244: Octal Buffers/Line Drivers with 3-State Outputs
• CD74HCT244: High-Speed CMOS Logic Octal Buffer/Line Driver with 3-State Outputs
• MC74HCT244A: Octal 3-State Noninverting Buffer/Line Driver

These alternative models offer similar functionality and characteristics to the M74HCT244B1R and can be considered as alternatives based on specific requirements and availability.

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