SN74LV125APWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-voltage, Quad 3-state Non-inverting Buffer
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Shifter
• 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: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100MHz
• Number of Channels: 4
• Output Current: ±12mA
• Propagation Delay Time: 6ns (max)

Detailed Pin Configuration

The SN74LV125APWRG4 has a total of 14 pins, which are assigned as follows:

1. GND (Ground)
2. A1 (Input/Output)
3. Y1 (Output)
4. A2 (Input/Output)
5. Y2 (Output)
6. GND (Ground)
7. A3 (Input/Output)
8. Y3 (Output)
9. A4 (Input/Output)
10. Y4 (Output)
11. OE (Output Enable)
12. VCC (Supply Voltage)
13. NC (No Connection)
14. GND (Ground)

Functional Features

• Quad non-inverting buffer with 3-state outputs
• Allows voltage level shifting between different logic families
• Provides high output current drive capability
• Supports bidirectional data flow
• Enables easy interfacing between devices with different voltage levels

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with a wide range of systems - 3-state outputs provide flexibility in controlling data flow - High output current capability ensures reliable signal transmission - Small package size saves board space

Disadvantages: - Limited number of channels (4) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LV125APWRG4 is a non-inverting buffer IC that operates at low voltages. It is designed to shift logic levels between different voltage domains, allowing seamless communication between devices with varying voltage requirements. The 3-state outputs enable the control of data flow, making it suitable for bus-oriented applications.

When the Output Enable (OE) pin is high, the outputs (Y1-Y4) are in the high-impedance state, effectively disconnecting them from the input signals. This feature allows multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The SN74LV125APWRG4 finds applications in various fields, including:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Level Shifting: It enables voltage level translation between different logic families, such as TTL to CMOS or vice versa.
3. Bus Systems: It can be used in bus-oriented systems to buffer and drive signals along the bus lines.
4. Industrial Automation: It plays a crucial role in connecting sensors, actuators, and control units with different voltage requirements.

Detailed and Complete Alternative Models

1. SN74LVC125A: Similar to SN74LV125APWRG4 but operates at a wider supply voltage range (1.65V to 5.5V).
2. SN74HCT125: Non-inverting buffer with 3-state outputs, compatible with TTL logic levels.
3. SN74LVC1G125: Single-channel non-inverting buffer with 3-state output, suitable for low-voltage applications.

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

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