Encyclopedia Entry: 74ALVCH16835ZQLR

Product Overview

Category

The 74ALVCH16835ZQLR belongs to the category of integrated circuits (ICs) and specifically falls under the family of advanced low-voltage CMOS (ALVC) devices.

Use

This IC is commonly used in digital electronic systems for data transmission and signal routing purposes. It serves as a high-performance bus transceiver with 18-bit universal bus interface capability.

Characteristics

• Low-voltage operation: The 74ALVCH16835ZQLR operates at a low voltage range, typically between 1.65V and 3.6V.
• Fast switching speed: It offers high-speed data transmission with minimal propagation delay.
• Bidirectional functionality: This IC enables bidirectional data flow, allowing seamless communication between different components of a system.
• ESD protection: The device incorporates Electrostatic Discharge (ESD) protection, safeguarding it against potential damage caused by electrostatic discharge events.

Package and Quantity

The 74ALVCH16835ZQLR is available in a surface-mount package known as Quad Flat No-Lead (QFN). The package dimensions are typically 7mm x 7mm, and it contains 48 pins. The product is usually sold in reels or trays, with a standard quantity of 250 units per reel/tray.

Specifications

• Supply Voltage Range: 1.65V - 3.6V
• Input/Output Voltage Range: GND - VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 2.5ns (typical)
• Maximum Output Current: ±24mA

Pin Configuration

The 74ALVCH16835ZQLR features a total of 48 pins, which are divided into four sides. The pin configuration is as follows:

``` Side A

---

| | |1 12| | | |13 24| | | |25 36| | | |37 48| |_______________|

   Side D

```

Functional Features

• Bidirectional data transmission: The IC allows data to be transmitted bidirectionally between the A and B ports.
• Output enable control: It includes an output enable (OE) pin that can be used to disable the outputs when necessary.
• Voltage translation: The device supports voltage level translation, enabling seamless communication between systems operating at different voltage levels.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for battery-powered devices.
• Fast switching speed ensures efficient data transfer.
• ESD protection enhances the reliability and durability of the IC.

Disadvantages

• Limited number of input/output pins (18-bit).

Working Principles

The 74ALVCH16835ZQLR operates based on complementary metal-oxide-semiconductor (CMOS) technology. It utilizes a combination of transistors and logic gates to facilitate the bidirectional transfer of digital signals. The IC's internal circuitry ensures efficient voltage translation and signal integrity.

Application Field Plans

The 74ALVCH16835ZQLR finds applications in various fields, including: 1. Computer motherboards 2. Networking equipment 3. Telecommunications systems 4. Industrial automation 5. Consumer electronics

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the 74ALVCH16835ZQLR include: - SN74LVC16245A - MC74LVX245 - 74HC245

These alternatives can be considered based on specific project requirements, availability, and cost considerations.

In conclusion, the 74ALVCH16835ZQLR is a versatile IC that offers high-speed bidirectional data transmission with low-voltage operation. Its compact package, ESD protection, and voltage translation capabilities make it suitable for various digital electronic systems across different industries.

Word Count: 550