74LVC16245APAG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation between different logic levels, high-speed operation, low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The 74LVC16245APAG is a 16-bit bus transceiver with 3-state outputs. It is designed to provide bidirectional voltage level shifting between various logic levels, making it suitable for interfacing different devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.3V
• High-Level Output Voltage: 0.9 x VCC to VCC + 0.3V
• Low-Level Output Voltage: -0.3V to 0.1 x VCC
• Maximum Operating Frequency: 400 MHz
• Maximum Propagation Delay: 4.5 ns
• Maximum Quiescent Current: 10 µA

Detailed Pin Configuration

The 74LVC16245APAG has a total of 48 pins, which are divided into two groups of 24 pins each. Each group corresponds to one direction of the bidirectional bus. The pin configuration is as follows:

• Group A (pins 1-24): Data I/O and control pins for bus A
• Group B (pins 25-48): Data I/O and control pins for bus B

Functional Features

• Bidirectional Voltage Level Translation: Allows for seamless communication between devices operating at different logic levels.
• 3-State Outputs: Enables multiple devices to share a common bus without interfering with each other's signals.
• High-Speed Operation: Capable of handling data rates up to 400 MHz, making it suitable for high-performance applications.
• Low Power Consumption: Designed to minimize power consumption, making it ideal for battery-powered devices.

Advantages and Disadvantages

Advantages: - Provides efficient voltage level shifting between different logic levels. - Supports bidirectional communication, allowing for versatile interfacing. - High-speed operation enables fast data transfer. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited to a maximum operating frequency of 400 MHz, which may not be sufficient for certain high-speed applications. - Requires careful consideration of voltage compatibility to avoid damage to connected devices.

Working Principles

The 74LVC16245APAG utilizes a combination of MOSFET-based level shifting circuits and tri-state buffers to achieve bidirectional voltage level translation. When the direction control pin is set to the appropriate state, the device allows data transmission from one bus to the other while maintaining proper voltage levels.

Detailed Application Field Plans

The 74LVC16245APAG finds applications in various fields where voltage level translation and bus transceiver functionality are required. Some specific application areas include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Memory Interfaces: Enabling data transfer between memory modules with varying logic levels.
3. Industrial Automation: Supporting communication between different industrial automation devices with different voltage requirements.
4. Communication Systems: Providing level shifting capabilities in communication systems involving multiple devices with different logic levels.

Detailed and Complete Alternative Models

1. SN74LVC16245A: Similar 16-bit bus transceiver with 3-state outputs, offered by Texas Instruments.
2. MC74LVC16245: 16-bit bidirectional transceiver with 3-state outputs, manufactured by ON Semiconductor.
3. CD74LVC16245A: Another 16-bit bus transceiver with 3-state outputs, produced by Texas Instruments.

These alternative models offer similar functionality and can be considered as substitutes for the 74LVC16245APAG based on specific requirements and availability.

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