SN74LVC125AQDRQ1

Overview

• Category: Integrated Circuit
• Use: Buffer/Driver
• Characteristics: Low-Voltage CMOS Quad Bus Buffer with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This integrated circuit is designed to provide buffering and driving capabilities for digital signals in low-voltage applications.
• Packaging/Quantity: Tape and Reel, 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 Operating Frequency: 80MHz
• Number of Pins: 14
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The SN74LVC125AQDRQ1 has a total of 14 pins arranged as follows:

```

---

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

Functional Features

• Quad 3-state non-inverting buffers
• Supports bidirectional data flow
• Provides output enable control for each buffer
• Compatible with TTL input and output levels
• Low power consumption
• Fast switching speed
• Schmitt-trigger inputs for noise immunity

Advantages

• Wide supply voltage range allows compatibility with various systems
• 3-state outputs enable easy bus sharing and multiplexing
• Low power consumption makes it suitable for battery-powered devices
• Fast switching speed ensures efficient signal transmission
• Schmitt-trigger inputs provide noise immunity, enhancing signal integrity

Disadvantages

• Limited maximum operating frequency may not be suitable for high-speed applications
• Only supports non-inverting buffering, limiting certain circuit designs

Working Principles

The SN74LVC125AQDRQ1 operates as a buffer/driver by receiving digital input signals and providing amplified output signals. It uses CMOS technology to achieve low-voltage operation and consumes minimal power. The 3-state outputs allow multiple devices to share a common bus without interference.

Detailed Application Field Plans

• Digital communication systems
• Microcontroller-based projects
• Industrial automation
• Automotive electronics
• Consumer electronics

Alternative Models

• SN74LVC126AQDRQ1: Quad Bus Buffer with 3-State Outputs (inverting)
• SN74LVC244AQDRQ1: Octal Buffer/Driver with 3-State Outputs
• SN74LVC541AQDRQ1: Octal Buffer/Driver with 3-State Outputs (non-inverting)

These alternative models offer similar functionality but may have different pin configurations or package options.

In conclusion, the SN74LVC125AQDRQ1 is a versatile integrated circuit that provides buffering and driving capabilities for digital signals in low-voltage applications. Its wide supply voltage range, 3-state outputs, and low power consumption make it suitable for various electronic systems. However, its limited maximum operating frequency and lack of inverting buffering may restrict its use in certain high-speed applications or specific circuit designs.