MC74LCX244DWR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-Speed, Low-Voltage, Non-Inverting Buffer/Translator
• Package: SOIC-20
• Essence: This IC is designed to provide non-inverting level translation between different logic voltage levels.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.65V to 5.5V
• Logic Voltage Levels: Compatible with both 3.3V and 5V systems
• Number of Channels: 8
• Propagation Delay: 4.5 ns (typical)
• Output Drive Capability: ±24 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX244DWR2G has a total of 20 pins arranged as follows:

__ __ A1 |1 \__/ 20| VCC A2 |2 19| OE# B1 |3 18| I/O1 B2 |4 17| I/O2 B3 |5 16| I/O3 B4 |6 15| I/O4 GND |7 14| I/O5 Y4 |8 13| I/O6 Y3 |9 12| I/O7 Y2 |10 11| Y1 ‾‾ ‾‾

Functional Features

• Provides bidirectional level translation between different logic voltage levels.
• Supports voltage translation from 3.3V to 5V and vice versa.
• Non-inverting buffer/translator with 3-state outputs.
• High-speed operation with low propagation delay.
• Wide operating voltage range allows compatibility with various systems.

Advantages

• Enables seamless integration of components operating at different voltage levels.
• Provides reliable level translation without signal distortion.
• High-speed operation allows for efficient data transfer between different logic domains.
• Low power consumption makes it suitable for battery-powered applications.
• Compact SOIC-20 package offers space-saving benefits.

Disadvantages

• Limited number of channels (8) may not be sufficient for complex systems requiring multiple translations.
• Not suitable for applications requiring level shifting beyond the specified voltage range.
• May require additional external components for certain applications, such as pull-up resistors.

Working Principles

The MC74LCX244DWR2G utilizes a combination of MOSFETs and CMOS technology to achieve non-inverting level translation. It operates by receiving input signals from one logic domain and translating them to the corresponding voltage level in another logic domain. The bidirectional nature of the IC allows for seamless communication between different voltage levels.

Detailed Application Field Plans

The MC74LCX244DWR2G finds applications in various fields, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Mixed-voltage systems: It facilitates integration of components with different logic voltage requirements.
3. Sensor networks: It allows for level translation between sensors and microcontrollers in IoT applications.
4. Industrial automation: It enables communication between PLCs and peripheral devices with varying voltage levels.
5. Battery-powered devices: It provides efficient level translation in portable electronics, minimizing power consumption.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar non-inverting octal buffer/translator with 3-state outputs, compatible with 3.3V and 5V systems.
2. 74HCT244: Octal buffer/line driver with 3-state outputs, compatible with 5V systems.
3. CD74HC244: Octal buffer/line driver with 3-state outputs, compatible with 2V to 6V systems.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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