74LVC125ADB,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low Voltage CMOS Quad Buffer with 3-State Outputs
• Package: SOIC-14
• Essence: Logic Level Shifter and Signal Buffer
• Packaging/Quantity: Tape and Reel, 2500 pieces 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: 2.4V (min) at IOH = -4mA
• Low-Level Output Voltage: 0.4V (max) at IOL = 4mA
• Maximum Operating Frequency: 400MHz
• Propagation Delay: 4.3ns (typical)

Detailed Pin Configuration

The 74LVC125ADB,118 IC has a total of 14 pins arranged as follows:

___________ 1 | | 14 2 | | 13 3 | | 12 4 | | 11 5 | | 10 6 | | 9 7 |_____________| 8

Pin Description: 1. GND: Ground 2. A1: Input 1 3. Y1: Output 1 4. A2: Input 2 5. Y2: Output 2 6. OE: Output Enable 7. VCC: Power Supply

Functional Features

• Quad buffer with 3-state outputs
• Compatible with both 3.3V and 5V systems
• Provides voltage level shifting between different logic levels
• Allows bidirectional data flow
• High-speed operation with low power consumption
• Supports hot insertion

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Low propagation delay enables high-speed operation - 3-state outputs provide flexibility in controlling bus lines - Small package size saves board space

Disadvantages: - Limited output current capability - Not suitable for high-power applications

Working Principles

The 74LVC125ADB,118 is a buffer IC that acts as an interface between different logic levels. It takes input signals from one logic level and provides buffered output signals at another logic level. The IC uses CMOS technology, allowing it to operate at low voltages while providing high-speed performance.

The buffer has four independent channels, each with an input and an output. The output enable (OE) pin controls the state of the outputs. When OE is high, the outputs are in a high-impedance state, allowing other devices to drive the bus lines. When OE is low, the inputs are transferred to the outputs with minimal delay.

Detailed Application Field Plans

The 74LVC125ADB,118 is commonly used in various digital systems where voltage level shifting and signal buffering are required. Some typical application fields include: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

• SN74LVC125A: Similar quad buffer IC from Texas Instruments
• MC74LCX125: Quad buffer IC with 5V tolerant inputs from ON Semiconductor
• CD74HCT125: Quad buffer IC with TTL-compatible inputs from Texas Instruments
• 74HC125: Quad buffer IC with higher output current capability from NXP Semiconductors

These alternative models offer similar functionality and can be used as replacements for the 74LVC125ADB,118 in various applications.

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