SN74LV125ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-voltage, Quad 3-state Non-inverting Buffer
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic Level Shifter
• 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: 0.4V
• Maximum Operating Frequency: 100MHz
• Number of Pins: 14

Detailed Pin Configuration

1. OE (Output Enable) - Active Low Output Enable
2. Y1 - Non-inverting Buffer Output 1
3. A1 - Non-inverting Buffer Input 1
4. GND - Ground
5. A2 - Non-inverting Buffer Input 2
6. Y2 - Non-inverting Buffer Output 2
7. A3 - Non-inverting Buffer Input 3
8. VCC - Positive Power Supply
9. Y3 - Non-inverting Buffer Output 3
10. A4 - Non-inverting Buffer Input 4
11. Y4 - Non-inverting Buffer Output 4
12. NC (No Connection)
13. GND - Ground
14. OE (Output Enable) - Active Low Output Enable

Functional Features

• Quad non-inverting buffer with 3-state outputs
• Allows voltage level shifting between different logic families
• Provides signal buffering and line driving capabilities
• Enables bidirectional communication between devices with different voltage levels
• Output enable feature allows for easy control of output states

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - 3-state outputs provide flexibility in controlling signal flow - Small package size saves board space - Low power consumption

Disadvantages: - Limited maximum operating frequency compared to some other ICs - Not suitable for high-speed applications

Working Principles

The SN74LV125ANSR is a quad non-inverting buffer IC that operates as a logic level shifter. It takes input signals from one logic family and provides buffered output signals compatible with another logic family. The 3-state outputs allow the device to be easily controlled, enabling bidirectional communication between devices with different voltage levels.

Detailed Application Field Plans

The SN74LV125ANSR is commonly used in various digital systems where voltage level shifting and signal buffering are required. Some specific application areas include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, allowing seamless communication between them.
2. Communication systems: It can be employed in serial communication interfaces, such as UART, SPI, or I2C, to ensure proper signal translation between devices with varying voltage requirements.
3. Sensor networks: The IC facilitates voltage level adaptation in sensor networks, enabling integration of sensors operating at different voltage levels into a single system.
4. Industrial automation: It finds applications in industrial control systems, PLCs (Programmable Logic Controllers), and motor control circuits, where voltage level shifting and signal buffering are essential.

Detailed and Complete Alternative Models

1. SN74LVC125A: Similar quad non-inverting buffer IC with 3-state outputs, but operates at a lower voltage range (1.65V to 3.6V).
2. SN74HCT125: Quad non-inverting buffer IC with 3-state outputs, suitable for higher voltage applications (2V to 6V).
3. SN74LV126A: Quad non-inverting buffer IC with 3-state outputs and open-drain outputs, providing additional flexibility in certain applications.

These alternative models offer similar functionality but may have different voltage ranges or additional features based on specific requirements.

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