Encyclopedia Entry: 74ALVCH162835GRG4

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ALVCH162835GRG4 is a high-performance, low-voltage, 18-bit universal bus driver with 3-state outputs. It is designed to drive data signals in various applications, including computer systems, communication devices, and industrial control systems.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - 3-state outputs for bus sharing - ESD protection for robustness

Package: The 74ALVCH162835GRG4 is available in a small-outline integrated circuit (SOIC) package. This package provides excellent thermal performance and ease of handling during assembly.

Essence: The essence of the 74ALVCH162835GRG4 lies in its ability to efficiently drive data signals across multiple devices while maintaining high-speed operation and low power consumption.

Packaging/Quantity: The 74ALVCH162835GRG4 is typically packaged in reels or tubes, containing a quantity of 250 or 1000 units per package.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.8ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ALVCH162835GRG4 has a total of 56 pins, which are assigned as follows:

• Pins 1-18: Data Inputs (D0-D17)
• Pins 19-36: Data Outputs (Q0-Q17)
• Pins 37-54: Enable Inputs (G1, G2A-G2B)
• Pins 55-56: Supply Voltage (VCC, GND)

Functional Features

• Universal bus driver with 18-bit data width
• 3-state outputs for bus sharing and multiplexing
• Non-inverting outputs for signal integrity
• Enable inputs for controlling the output state
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transmission. - Low power consumption helps conserve energy in portable devices. - Wide operating voltage range enables compatibility with various systems. - 3-state outputs facilitate bus sharing and reduce conflicts. - ESD protection enhances the IC's robustness against electrostatic discharge.

Disadvantages: - Limited to 18-bit data width, may not be suitable for applications requiring larger data buses. - Requires careful handling during assembly due to its small package size.

Working Principles

The 74ALVCH162835GRG4 operates by receiving data inputs and control signals. It processes the input data and drives the corresponding outputs based on the control inputs. The 3-state outputs allow multiple devices to share the same bus without causing conflicts. The IC's internal circuitry ensures high-speed operation while consuming minimal power.

Detailed Application Field Plans

The 74ALVCH162835GRG4 finds applications in various fields, including:

1. Computer Systems:

   • Data buses in microprocessors and memory modules.
   • Interface circuits for peripheral devices.

2. Communication Devices:

   • Data transmission and reception in networking equipment.
   • Signal routing in telecommunication systems.

3. Industrial Control Systems:

   • Control signal distribution in automation systems.
   • Interfacing with sensors and actuators.

Detailed and Complete Alternative Models

1. 74ALVCH16244: 16-bit universal bus driver with 3-state outputs.
2. 74ALVCH16601: 18-bit universal bus transceiver with 3-state outputs.
3. 74ALVCH16821: 20-bit universal bus driver with 3-state outputs.

These alternative models offer similar functionality to the 74ALVCH162835GRG4, but with varying data widths and pin configurations.

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