Encyclopedia Entry: 74ALVCH162835VRG4

Product Overview

Category

The 74ALVCH162835VRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of advanced low-voltage CMOS (ALVCH) logic devices.

Use

This product 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 74ALVCH162835VRG4 operates at a low voltage range, typically between 1.65V and 3.6V.
• High-speed data transfer: It supports fast data transmission rates, making it suitable for applications requiring quick signal routing.
• Bidirectional functionality: This IC allows bidirectional data flow, enabling efficient communication between different components of a system.
• ESD protection: The device incorporates electrostatic discharge (ESD) protection features, ensuring robustness against static electricity.

Package and Quantity

The 74ALVCH162835VRG4 is available in a small-outline integrated circuit (SOIC) package. It is supplied in reels or tubes, with a typical quantity of 250 units per reel/tube.

Specifications

• Logic Family: ALVCH
• Number of Bits: 18
• Supply Voltage Range: 1.65V to 3.6V
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: <5 ns
• Output Drive Strength: ±24 mA

Pin Configuration

The pin configuration of the 74ALVCH162835VRG4 is as follows:

A1 ──────────────── VCC A2 ──────────────── B1 A3 ──────────────── B2 ... A18 ──────────────── B18 GND ──────────────── OE#

Functional Features

• Bidirectional Data Transfer: The IC allows data to be transmitted bidirectionally between the A and B ports.
• Output Enable Control: The OE# pin enables or disables the outputs, providing control over the data flow.
• Voltage Level Translation: It supports voltage level translation between different logic families, enhancing compatibility in mixed-voltage systems.

Advantages

• Low Power Consumption: The 74ALVCH162835VRG4 operates at low power levels, making it suitable for battery-powered devices.
• High-Speed Operation: With its fast propagation delay, this IC ensures efficient data transfer in time-critical applications.
• ESD Protection: The built-in ESD protection safeguards the device from potential damage caused by electrostatic discharge.

Disadvantages

• Limited Voltage Range: The operating voltage range of 1.65V to 3.6V may restrict its use in certain applications requiring higher or lower voltages.
• Package Size: The small-outline package may pose challenges in terms of heat dissipation and physical handling.

Working Principles

The 74ALVCH162835VRG4 functions as a bidirectional bus transceiver by utilizing complementary metal-oxide-semiconductor (CMOS) technology. It employs a combination of input/output buffers and control circuitry to facilitate the bidirectional data transfer between two buses.

Application Field Plans

The 74ALVCH162835VRG4 finds extensive application in various digital systems, including: - Microprocessors and microcontrollers - Communication equipment - Networking devices - Industrial automation systems

Alternative Models

For similar functionality, alternative models to the 74ALVCH162835VRG4 include: - SN74LVC162835 - MC74LVX162835 - CDCLVP162835

These alternatives offer comparable features and can be considered based on specific application requirements.

In conclusion, the 74ALVCH162835VRG4 is a versatile bus transceiver IC that provides efficient bidirectional data transfer in digital electronic systems. Its low-voltage operation, high-speed performance, and ESD protection make it suitable for a wide range of applications.