SN74LVC125APWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low Voltage, Quad Bus Buffer with 3-State Outputs
• Package: TSSOP-14
• Essence: This IC is designed to provide buffering and driving capabilities for digital signals in low voltage applications.
• Packaging/Quantity: Available in reels of 2500 units.

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 Channels: 4
• Output Type: 3-State

Detailed Pin Configuration

The SN74LVC125APWRE4 has a TSSOP-14 package with the following pin configuration:

__ __ Y1 |1 \/ 14| VCC Y2 |2 13| A1 GND|3 12| Y4 A2 |4 11| Y3 Y1 |5 10| OE# Y2 |6 9| A3 GND|7 8| Y4 ----------

Functional Features

• Quad bus buffer with 3-state outputs
• Supports bidirectional data flow
• Provides high-speed signal buffering and driving capabilities
• Allows multiple devices to share a common bus without interference
• Enables easy interfacing between different logic families

Advantages and Disadvantages

Advantages: - Low voltage operation allows for compatibility with a wide range of systems - 3-state outputs provide flexibility in controlling the bus - High-speed operation enables efficient data transfer

Disadvantages: - Limited number of channels (4) - TSSOP package may require careful handling during assembly

Working Principles

The SN74LVC125APWRE4 operates by receiving digital signals at its input pins (A1, A2, A3) and buffering them to the output pins (Y1, Y2, Y3, Y4). The OE# pin controls the output enable/disable function. When OE# is low, the outputs are enabled and reflect the input signals. When OE# is high, the outputs are disabled and enter a high-impedance state.

Detailed Application Field Plans

The SN74LVC125APWRE4 is commonly used in various applications, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers and other peripheral devices by providing buffering and driving capabilities for digital signals.

2. Data buses: It can be used to buffer and drive signals on data buses, allowing multiple devices to share the same bus without interference.

3. Level shifting: The IC can be employed to shift logic levels between different voltage domains, enabling compatibility between systems operating at different voltages.

4. Signal amplification: It can amplify weak digital signals, ensuring reliable transmission over long distances or through noisy environments.

Detailed and Complete Alternative Models

1. SN74LVC126APWRE4: Similar to SN74LVC125APWRE4, but with 3-state outputs and an additional input enable pin.
2. SN74LVC244APWRE4: Octal buffer/line driver with 3-state outputs, suitable for higher channel count applications.
3. SN74LVC1G125DBVR: Single bus buffer with 3-state output, designed for low-power applications.

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

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