MC74LCX125DR2G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage, Quad Buffer/Line Driver
• Package: SOIC-14
• Essence: Logic level shifting and buffering
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Family: LCX
• Number of Buffers/Drivers: 4
• Input/Output Compatibility: TTL, CMOS
• High-Level Output Voltage: Vcc - 0.7V
• Low-Level Output Voltage: 0.3V
• Maximum Propagation Delay Time: 6.5ns
• Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The MC74LCX125DR2G has a total of 14 pins arranged as follows:

__ __ 1 | 1 14 | Vcc 2 | 2 13 | A1 3 | 3 12 | Y1 4 | 4 11 | A2 5 | 5 10 | Y2 GND | 6 9 | A3 7 | 7 8 | Y3 ‾‾ ‾‾

Functional Features

• Logic level shifting: The MC74LCX125DR2G allows for voltage level translation between different logic families, such as TTL and CMOS.
• Buffering: It provides buffering capabilities to drive multiple loads without significant degradation in signal quality.
• Quad buffer/line driver: The IC contains four independent buffers/drivers, allowing for simultaneous operation on multiple input/output lines.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various systems. - Low propagation delay time enables high-speed operation. - Small package size (SOIC-14) facilitates space-constrained designs.

Disadvantages: - Limited number of buffers/drivers may not be sufficient for complex applications requiring a larger number of I/O lines. - The IC is not designed to handle high voltages, limiting its use in certain industrial or power-related applications.

Working Principles

The MC74LCX125DR2G operates by receiving input signals on the A1, A2, A3 pins and providing corresponding output signals on the Y1, Y2, Y3 pins. The logic level shifting is achieved through internal circuitry that translates the input voltage levels to the desired output voltage levels based on the supply voltage range.

Detailed Application Field Plans

The MC74LCX125DR2G finds applications in various fields where logic level shifting and buffering are required. Some specific application areas include: - Microcontroller interfacing: It can be used to interface microcontrollers operating at different voltage levels. - Communication systems: It enables signal translation between different logic families in communication protocols such as UART, SPI, and I2C. - Industrial automation: The IC can be utilized in industrial control systems to interface sensors and actuators operating at different voltage levels.

Detailed and Complete Alternative Models

• SN74LVC125A: Similar quad buffer/line driver IC with 3-state outputs.
• CD4050B: Hex non-inverting buffer/converter IC with higher voltage handling capability.
• 74HC125: Quad buffer/line driver IC compatible with CMOS and TTL logic families.

Note: The alternative models listed above are just a few examples and there are several other options available in the market.

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