SN74LVC125APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low Voltage CMOS Quad Bus Buffer with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74LVC125APW is a quad bus buffer IC that provides high-speed, low-power buffering and line driving capabilities for digital signals.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Number of Pins: 14
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC125APW has a total of 14 pins, which are labeled as follows:

1. OE (Output Enable) 1
2. Y1 (Output) 1
3. A1 (Input) 1
4. B1 (Input) 1
5. GND (Ground)
6. B2 (Input) 2
7. A2 (Input) 2
8. Y2 (Output) 2
9. OE (Output Enable) 2
10. VCC (Supply Voltage)
11. Y3 (Output) 3
12. A3 (Input) 3
13. B3 (Input) 3
14. OE (Output Enable) 3

Functional Features

• Quad bus buffer with 3-state outputs.
• Provides buffering and line driving capabilities for digital signals.
• Supports bidirectional data flow.
• Low voltage operation suitable for battery-powered devices.
• High-speed operation allows for efficient signal transmission.

Advantages and Disadvantages

Advantages: - Low power consumption. - Wide supply voltage range. - High-speed operation. - Compact package size. - Bidirectional data flow support.

Disadvantages: - Limited number of output pins. - Not suitable for high-voltage applications. - May require additional external components for specific applications.

Working Principles

The SN74LVC125APW operates as a quad bus buffer, which means it can buffer and drive four separate bus lines. It features 3-state outputs, allowing the outputs to be disabled or put into a high-impedance state when not in use. This feature enables multiple devices to share the same bus without interfering with each other.

The IC operates on a low supply voltage range of 1.65V to 5.5V, making it suitable for various low-power applications. It supports bidirectional data flow, allowing data to be transmitted in both directions through the buffer. The high-speed operation of up to 100 MHz ensures efficient signal transmission.

Detailed Application Field Plans

The SN74LVC125APW is commonly used in various digital systems and applications, including:

1. Microcontrollers and microprocessors.
2. Communication systems.
3. Data acquisition systems.
4. Industrial automation.
5. Consumer electronics.
6. Automotive electronics.
7. Medical devices.

Its buffering and line driving capabilities make it ideal for applications where signal integrity and reliability are crucial. The low power consumption and compact package size make it suitable for battery-powered and space-constrained devices.

Detailed and Complete Alternative Models

1. SN74LVC126APW: Similar to SN74LVC125APW, but with 3-state outputs on different pins.
2. SN74LVC244APW: Octal buffer/driver IC with 3-state outputs.
3. SN74LVC541APW: Octal buffer/driver IC with 3-state outputs and increased output current capability.

These alternative models offer similar functionality and characteristics, providing options for different pin configurations or increased output capabilities based on specific application requirements.

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