Encyclopedia Entry: 74ALVCH162525GRE4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: Green RoHS-compliant package
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

The 74ALVCH162525GRE4 is an integrated circuit designed for logic level translation. It provides bidirectional voltage translation between two independent voltage domains. The IC operates at high speed while consuming low power, making it suitable for various applications.

Detailed Pin Configuration

The 74ALVCH162525GRE4 has a total of 48 pins, which are divided into four groups: A-side, B-side, control, and power supply. The pin configuration is as follows:

• A1-A18: A-side data input/output pins
• B1-B18: B-side data input/output pins
• OEAB, OEBB: Output enable pins for A-side and B-side respectively
• VCCA, VCCB: Power supply pins for A-side and B-side respectively
• GND: Ground pin

Functional Features

• Bidirectional voltage translation: Allows seamless communication between two voltage domains.
• High-speed operation: Enables fast data transfer between the A-side and B-side.
• Low power consumption: Reduces energy usage and extends battery life in portable devices.
• Wide operating voltage range: Supports voltage translation between different voltage levels.
• ESD protection: Provides electrostatic discharge protection to ensure reliability.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates efficient data transfer. - Low power consumption makes it suitable for battery-powered devices. - Wide operating voltage range allows compatibility with various systems. - ESD protection ensures reliability in challenging environments.

Disadvantages: - Limited number of data input/output pins may restrict the complexity of applications. - Requires careful consideration of voltage level compatibility to avoid signal distortion.

Working Principles

The 74ALVCH162525GRE4 utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The control signals (OEAB, OEBB) determine the direction of data flow between the A-side and B-side. When the control signals are active, the IC translates the signals from one voltage domain to another, allowing seamless communication.

Detailed Application Field Plans

The 74ALVCH162525GRE4 is widely used in various applications that require voltage level translation. Some common application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data storage devices
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ALVCH162525GRE4. Some notable alternatives include:

1. SN74LVC4245A: Bidirectional voltage-level translator with similar characteristics.
2. TXS0108EPWR: 8-bit bidirectional voltage-level translator with enhanced ESD protection.
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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