Encyclopedia Entry: 74ALVT16245DGG,512

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Data Buffer/Transceiver
• Characteristics: High-speed, low-power, bidirectional voltage level translator
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The 74ALVT16245DGG,512 is a voltage level translator IC that allows bidirectional translation between two voltage domains. It is commonly used to interface between devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 2.3V to 3.6V
• Input Voltage Levels (VI): GND to VCC
• Output Voltage Levels (VO): GND to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (Max)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ALVT16245DGG,512 has a total of 48 pins, arranged in a dual in-line package (DIP) format. The pin configuration is as follows:

Pin 1 -> OE# Pin 2 -> A1 Pin 3 -> A2 ... Pin 46 -> B1 Pin 47 -> B2 Pin 48 -> GND

Functional Features

• Bidirectional voltage level translation between two voltage domains.
• Supports both unidirectional and bidirectional data flow.
• Provides non-inverting level shifting.
• High-speed operation with minimal propagation delay.
• Low power consumption.
• 3-state output control for bus-oriented applications.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels. - High-speed operation allows for efficient data transfer. - Low power consumption helps in reducing overall system power requirements. - 3-state output control facilitates bus sharing among multiple devices.

Disadvantages: - Limited to a specific voltage range (2.3V to 3.6V). - Requires careful consideration of input and output voltage levels to prevent signal distortion or damage.

Working Principles

The 74ALVT16245DGG,512 utilizes a combination of CMOS technology and level-shifting circuitry to achieve bidirectional voltage level translation. It employs a voltage divider network and MOSFET-based switches to convert signals between two voltage domains while maintaining signal integrity and minimizing propagation delay.

Detailed Application Field Plans

The 74ALVT16245DGG,512 finds application in various scenarios where voltage level translation is required. Some common application fields include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Memory Interfaces: Enabling data transfer between memory modules with varying voltage requirements.
3. I/O Expansion: Allowing expansion of I/O capabilities by interfacing devices operating at different voltage levels.
4. Mixed Voltage Systems: Bridging the gap between different voltage domains in mixed voltage systems.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar bidirectional voltage level translator IC with 3-state outputs.
2. MC74LVX245: Another voltage level translator IC with similar characteristics and pin configuration.
3. CD4508B: Dual 4-bit voltage level shifter IC suitable for bidirectional data transfer.

These alternative models provide similar functionality and can be considered as alternatives to the 74ALVT16245DGG,512 based on specific application requirements.

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