MC74LCX125DG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage, High-Speed CMOS Technology
• Package: SOIC-14
• Essence: Quad Bus Buffer Gate with 3-State Outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Input Current: ±10mA
• Maximum Output Current: ±24mA
• Propagation Delay: 4.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. GND (Ground)
7. A3 (Input A3)
8. Y3 (Output Y3)
9. A4 (Input A4)
10. Y4 (Output Y4)
11. VCC (Supply Voltage)
12. OE (Output Enable)
13. GND (Ground)
14. GND (Ground)

Functional Features

• Quad 3-State Non-Inverting Buffer
• Compatible with TTL and CMOS Logic Levels
• High-Speed Operation
• Low Power Consumption
• 3-State Outputs for Bus-Oriented Applications
• ESD Protection on All Inputs and Outputs

Advantages

• Wide supply voltage range allows compatibility with various systems
• High-speed operation enables fast data transmission
• Low power consumption helps in energy-efficient designs
• 3-state outputs facilitate bus-oriented applications
• ESD protection ensures robustness against electrostatic discharges

Disadvantages

• Limited number of buffer gates (4 in this case)
• Not suitable for high-voltage applications

Working Principles

The MC74LCX125DG is a logic level shifter that operates as a quad 3-state non-inverting buffer. It is designed to shift logic levels between different voltage domains, making it suitable for interfacing between devices operating at different voltage levels. The inputs and outputs are compatible with both TTL and CMOS logic levels. The output enable (OE) pin controls the 3-state outputs, allowing multiple devices to share a common bus.

Detailed Application Field Plans

The MC74LCX125DG can be used in various applications, including but not limited to: 1. Level shifting between microcontrollers and peripheral devices 2. Interface conversion between different logic families 3. Bus buffering in communication systems 4. Signal conditioning in industrial automation 5. Voltage translation in battery-powered devices

Detailed and Complete Alternative Models

1. SN74LVC125A: Quad Bus Buffer Gate with 3-State Outputs, VCC = 1.65V to 5.5V
2. CD74HC125E: Quad 3-State Buffer, VCC = 2V to 6V
3. 74HCT125: Quad Bus Buffer Gate with 3-State Outputs, VCC = 4.5V to 5.5V
4. NC7SZ125P5X: Single Bus Buffer Gate with 3-State Output, VCC = 1.65V to 5.5V

These alternative models offer similar functionality and can be considered based on specific requirements and compatibility with the system.

In conclusion, the MC74LCX125DG is a versatile logic level shifter IC with quad 3-state buffer gates. Its low voltage operation, high-speed performance, and compatibility with TTL and CMOS logic levels make it suitable for a wide range of applications. However, its limited number of buffer gates and unsuitability for high-voltage applications should be considered when selecting alternative models.