MM74HC244WMX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-Speed, Octal Buffer/Line Driver
• Package: SOIC (Small Outline Integrated Circuit)

• Essence: The MM74HC244WMX is a high-speed octal buffer/line driver that operates at a voltage range of 2V to 6V. It provides non-inverting outputs and is designed to drive heavily loaded 3-state buses, memory address drivers, and other applications requiring the capability to sink or source current.

• Packaging/Quantity: The MM74HC244WMX is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 6V
• Logic Family: HC
• Number of Channels: 8
• Output Type: Non-Inverting
• Output Current: ±25mA
• Propagation Delay Time: 9ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MM74HC244WMX has a total of 20 pins, which are arranged as follows:

__ __ A1 |1 \__/ 20| VCC A2 |2 19| B1 A3 |3 18| B2 A4 |4 17| B3 A5 |5 16| B4 A6 |6 15| B5 A7 |7 14| B6 A8 |8 13| B7 GND |9 12| B8 OE1 |10 11| OE2 ‾‾ ‾‾

Functional Features

• High-Speed Operation: The MM74HC244WMX is designed to operate at high speeds, making it suitable for applications that require fast data transmission.
• Octal Buffer/Line Driver: It provides eight non-inverting outputs, allowing it to drive multiple lines simultaneously.
• Wide Voltage Range: The IC can operate within a voltage range of 2V to 6V, providing flexibility in various electronic systems.
• 3-State Outputs: The MM74HC244WMX features 3-state outputs, enabling the device to be effectively connected to a bus structure.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transmission.
• Non-inverting outputs simplify circuit design.
• Wide voltage range enhances compatibility with different systems.
• 3-state outputs enable effective bus connection.

Disadvantages

• Limited output current may not be suitable for driving heavily loaded circuits.
• Propagation delay time may affect timing-sensitive applications.

Working Principles

The MM74HC244WMX operates as an octal buffer/line driver by receiving input signals and providing non-inverted outputs. It utilizes CMOS technology, which allows for high-speed operation and low power consumption. The IC can drive heavily loaded 3-state buses, memory address drivers, and other applications requiring the capability to sink or source current.

Detailed Application Field Plans

The MM74HC244WMX finds applications in various fields, including:

1. Data Communication Systems: It can be used in high-speed data communication systems to ensure efficient signal transmission between different components.
2. Memory Addressing: The IC is suitable for driving memory address buses, ensuring accurate addressing in memory systems.
3. Industrial Automation: It can be utilized in industrial automation systems to interface between different control units and devices.
4. Automotive Electronics: The MM74HC244WMX can be employed in automotive electronics for signal buffering and level shifting purposes.

Detailed and Complete Alternative Models

1. SN74HC244N: This is a similar octal buffer/line driver IC from Texas Instruments, offering comparable features and performance.
2. CD74HC244E: Another alternative from Texas Instruments, providing octal buffer/line driver functionality with non-inverting outputs.
3. 74HCT244: This IC from NXP Semiconductors is compatible with the HC logic family and offers similar functionality.

These alternative models can be considered based on specific requirements and availability.

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