Encyclopedia Entry: 74ALVCH16843DGGS

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: DGGS (TSSOP-56)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (VREF): 0V to VCC
• Output Voltage Range (A/B Ports): 0V to VCC
• Maximum Input Current: ±50mA
• Maximum Output Current: ±100mA
• Propagation Delay: 2.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ALVCH16843DGGS IC has a total of 56 pins arranged in a TSSOP package. The pin configuration is as follows:

___________ | | 1 | 56 | VCCB 2 | 55 | B1 3 | 54 | B2 . | . | . . | . | . . | . | . 27 | 30 | A2 28 | 29 | A1 GND | 28 | OE# |___________|

Functional Features

• Bidirectional voltage translation between two independent voltage domains
• Supports level shifting between 1.2V and 3.6V systems
• Provides non-inverting translation with 3-state outputs
• Low power consumption and high-speed operation
• Supports hot insertion and extraction

Advantages

• Wide supply voltage range allows compatibility with various systems
• Fast propagation delay enables efficient signal translation
• Low power consumption helps in reducing overall system energy usage
• 3-state outputs provide flexibility in bus sharing applications
• Hot insertion support ensures safe and reliable operation

Disadvantages

• Limited to bidirectional voltage translation, not suitable for unidirectional applications
• Higher cost compared to simpler level shifting solutions
• Requires careful consideration of voltage levels to prevent damage to the IC

Working Principles

The 74ALVCH16843DGGS is a bidirectional voltage translator that uses a combination of CMOS technology and level-shifting circuitry. It operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels. The IC ensures bidirectional communication between two voltage domains while maintaining signal integrity and minimizing power consumption.

Detailed Application Field Plans

The 74ALVCH16843DGGS is commonly used in various applications where voltage translation is required. Some of the typical application fields include: - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ALVCH16843DGGS. Some popular alternatives include: - SN74LVC1T45DBVR - TXB0108PWR - PCA9306DCUR - 74LVC245APW,118

These alternative models can be considered based on specific requirements such as voltage range, package type, or additional features.

In conclusion, the 74ALVCH16843DGGS is a high-speed, low-power logic level translator IC. It provides bidirectional voltage translation between different voltage domains, making it suitable for a wide range of applications. With its fast propagation delay, wide supply voltage range, and 3-state outputs, it offers advantages in terms of signal integrity, power consumption, and flexibility. However, it is important to consider the limitations and alternative models available when selecting this IC for a specific application.