SN74LV8154N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics:
  • Low-voltage operation
  • Wide voltage range compatibility
  • High-speed data transmission
  • Multiple input/output channels
• Package: DIP (Dual In-line Package)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Available in tubes or reels, quantity varies depending on supplier

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Number of Channels: 8
• Input Voltage Levels:
  • Low-Level Voltage (VIL): -0.5V to 0.8V
  • High-Level Voltage (VIH): 2V to VCC + 0.5V
• Output Voltage Levels:
  • Low-Level Voltage (VOL): 0V to 0.4V
  • High-Level Voltage (VOH): VCC - 0.4V to VCC
• Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

The SN74LV8154N has a total of 20 pins. The pin configuration is as follows:

___________ | | 1 | 20 | VCC 2 | 19 | OE# 3 | 18 | A0 4 | 17 | B0 5 | 16 | A1 6 | 15 | B1 7 | 14 | A2 8 | 13 | B2 9 | 12 | A3 10 | 11 | B3 |___________|

Functional Features

• Logic level shifting: Allows interfacing between devices operating at different voltage levels.
• Bidirectional data transmission: Supports data transfer in both directions.
• Enable control (OE# pin): Enables or disables the output buffers.
• Multiple input/output channels: Provides 8 channels for logic level conversion.

Advantages and Disadvantages

Advantages

• Wide voltage range compatibility: Can handle a broad range of input and output voltage levels.
• High-speed data transmission: Supports data rates up to 100 Mbps.
• Easy integration: Can be easily integrated into various electronic systems.
• Compact package: Comes in a DIP package, which is widely used and easy to handle.

Disadvantages

• Limited number of channels: Only provides 8 channels, which may not be sufficient for certain applications.
• Lack of advanced features: Does not offer additional features like level translation with direction control.

Working Principles

The SN74LV8154N operates by receiving input signals from one voltage domain and translating them to another voltage domain. It utilizes internal circuitry to shift the logic levels of the input signals to match the desired output voltage levels. The OE# pin controls the enable/disable functionality of the output buffers, allowing for bidirectional data transmission.

Detailed Application Field Plans

The SN74LV8154N can be used in various applications that require logic level shifting between different voltage domains. Some potential application fields include:

1. Microcontroller interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Enabling connectivity between sensors with varying voltage requirements.
3. Industrial automation: Integrating different control systems with different voltage levels.
4. Communication systems: Bridging the gap between devices operating at different logic levels.

Detailed and Complete Alternative Models

• SN74LVC1T45: Single-bit level shifter with voltage translation and direction control.
• SN74AVC4T245: 4-bit level shifter with voltage translation and direction control.
• SN74HCT125: Quad buffer/line driver with level shifting capability.

These alternative models offer similar functionality to the SN74LV8154N but may have different features or specifications that suit specific application requirements.

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