74LCX125MTCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage, Quad Buffer/Line Driver with 3-State Outputs
• Package: TSSOP-14
• Essence: This IC is designed to shift logic levels from a lower voltage to a higher voltage or vice versa.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V 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: 4.5ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX125MTCX has a total of 14 pins arranged as follows:

___________ | | 1 -|OE VCC|- 14 2 -|A1 A4|- 13 3 -|Y1 Y4|- 12 4 -|GND A3|- 11 5 -|Y3 Y2|- 10 6 -|A2 OE|- 9 7 -|Y1 A1|- 8 |___________|

Functional Features

• Quad buffer/line driver with 3-state outputs.
• Inputs and outputs are tolerant of 5.5V logic levels.
• Provides bidirectional voltage level shifting between different logic families.
• Allows interfacing between low-voltage and high-voltage systems.

Advantages

• Low power consumption.
• Wide supply voltage range allows compatibility with various systems.
• High-speed operation with minimal propagation delay.
• 3-state outputs provide flexibility in controlling bus lines.

Disadvantages

• Limited number of buffer/line driver channels (4 in this case).
• Not suitable for applications requiring a large number of logic level shifts.

Working Principles

The 74LCX125MTCX operates by receiving input signals at the A1 to A4 pins and providing corresponding output signals at the Y1 to Y4 pins. The OE (Output Enable) pin controls the 3-state outputs, allowing them to be either active or in a high-impedance state. The IC uses CMOS technology, which enables it to operate at low power levels and tolerate a wide range of supply voltages.

Detailed Application Field Plans

The 74LCX125MTCX is commonly used in various applications that require voltage level shifting between different logic families. Some typical application fields include:

1. Microcontroller interfacing with higher voltage peripherals.
2. Communication systems involving different logic voltage standards.
3. Data transmission between devices operating at different voltage levels.
4. Mixed-signal circuitry where analog and digital components coexist.

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74LCX125MTCX. Some notable alternatives include:

1. SN74LVC125A: Quad Buffer/Line Driver with 3-State Outputs.
2. MC74LVX125: Low Voltage CMOS Quad Buffer/Line Driver.
3. CD74HCT125: High-Speed CMOS Logic Level Shifter.

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

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