MC74LCX125DR2

Product 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
• High-Level Input Voltage: 2.3V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Quiescent Supply Current: 10μA
• Maximum Propagation Delay Time: 6.5ns

Detailed Pin Configuration

The MC74LCX125DR2 has a total of 14 pins arranged as follows:

__ __ 1 | 1 \/ 14 | VCC 2 | 2 13 | A 3 | 3 12 | B 4 | 4 11 | C 5 | 5 10 | D GND | 6 9 | OE# 7 | 7 8 | Y ‾‾ ‾‾

Functional Features

• Quad buffer/line driver with 3-state outputs
• Provides logic level shifting between different voltage domains
• Allows bidirectional communication between devices operating at different voltage levels
• Enables interfacing between low-voltage microcontrollers and higher voltage peripherals
• Offers high-speed operation with minimal propagation delay

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Low quiescent supply current minimizes power consumption - 3-state outputs provide flexibility in controlling bus lines - High-speed operation ensures efficient data transfer

Disadvantages: - Limited number of buffer/line driver channels (4 in this case) - Not suitable for applications requiring higher voltage levels

Working Principles

The MC74LCX125DR2 is a logic level shifter that operates by accepting input signals from one voltage domain and translating them to another voltage domain. It uses a combination of CMOS technology and 3-state outputs to achieve this functionality. The device can be enabled or disabled using the OE# (Output Enable) pin, allowing the outputs to be put in a high-impedance state when not required.

Detailed Application Field Plans

The MC74LCX125DR2 finds applications in various fields where logic level shifting and buffering are necessary. Some potential application areas include:

1. Microcontroller interfacing: Allows communication between low-voltage microcontrollers and peripherals operating at higher voltage levels.
2. Sensor networks: Facilitates data exchange between sensors and control units operating at different voltage domains.
3. Industrial automation: Enables integration of devices with varying voltage requirements in industrial control systems.
4. Communication systems: Supports bidirectional data transfer between devices operating at different voltage levels in telecommunications and networking equipment.

Detailed and Complete Alternative Models

1. SN74LVC125A: Quad Buffer/Line Driver with 3-State Outputs, similar specifications and pin configuration.
2. 74HC125: Quad Bus Buffer Gates with 3-State Outputs, compatible with higher voltage levels.
3. CD74HCT125E: High-Speed CMOS Logic Quad Buffer with 3-State Outputs, suitable for high-speed applications.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

In conclusion, the MC74LCX125DR2 is a logic level shifter integrated circuit that provides efficient voltage translation and buffering capabilities. With its low voltage operation, 3-state outputs, and wide supply voltage range, it finds applications in various fields where interfacing between different voltage domains is required.