Encyclopedia Entry: 74GTLP21395DGVRE4

Product Overview

Category

The 74GTLP21395DGVRE4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of GTLP (Gunning Transceiver Logic Plus) devices.

Use

This product is primarily used for signal transmission and reception in high-speed digital communication systems. It enables efficient data transfer between different components of electronic devices.

Characteristics

• High-speed operation: The 74GTLP21395DGVRE4 is designed to operate at high frequencies, allowing for rapid data transmission.
• Low power consumption: This IC is optimized for low power usage, making it suitable for battery-powered devices.
• Noise immunity: It exhibits excellent noise immunity, ensuring reliable signal integrity even in noisy environments.
• Small form factor: The compact size of this IC makes it ideal for space-constrained applications.

Package and Quantity

The 74GTLP21395DGVRE4 is available in a small-outline package (SOIC) with 16 pins. It is typically sold in reels containing multiple units, with each reel containing around 250 pieces.

Specifications

• Supply voltage: 2.5V to 3.3V
• Operating temperature range: -40°C to +85°C
• Data rate: Up to 1.6 Gbps
• Input/output logic levels: GTLP
• Output drive strength: 12 mA
• Propagation delay: < 500 ps

Pin Configuration

The pin configuration of the 74GTLP21395DGVRE4 is as follows:

Pin 1: VCC Pin 2: GND Pin 3: A0 Pin 4: A1 Pin 5: B0 Pin 6: B1 Pin 7: Y0 Pin 8: Y1 Pin 9: Y2 Pin 10: Y3 Pin 11: Y4 Pin 12: Y5 Pin 13: Y6 Pin 14: Y7 Pin 15: OE# Pin 16: NC

Functional Features

• Bidirectional data transmission: The 74GTLP21395DGVRE4 facilitates the transfer of data in both directions, allowing for full-duplex communication.
• Built-in output enable control: The OE# pin enables or disables the outputs, providing flexibility in managing data flow.
• High-speed signal conversion: This IC efficiently converts signals between GTLP logic levels, ensuring compatibility with other components in the system.
• ESD protection: The device incorporates electrostatic discharge (ESD) protection, safeguarding it against potential damage during handling and operation.

Advantages and Disadvantages

Advantages

• High-speed operation enables rapid data transfer.
• Low power consumption prolongs battery life in portable devices.
• Excellent noise immunity ensures reliable signal integrity.
• Compact form factor allows for space-efficient integration.

Disadvantages

• Limited availability of alternative models from different manufacturers.
• Relatively higher cost compared to some other logic families.
• Requires careful consideration of signal termination and impedance matching for optimal performance.

Working Principles

The 74GTLP21395DGVRE4 operates based on GTLP logic, which is a low-voltage differential signaling (LVDS) technology. It utilizes differential voltage levels to transmit data, providing improved noise immunity and reduced power consumption compared to traditional single-ended logic.

The IC receives input signals through the A0, A1, B0, and B1 pins, and processes them internally to generate corresponding output signals on the Y0 to Y7 pins. The OE# pin controls the output enable function, allowing the user to enable or disable the outputs as needed.

Detailed Application Field Plans

The 74GTLP21395DGVRE4 finds applications in various high-speed digital communication systems, including:

1. Networking equipment: Used in routers, switches, and network interface cards for efficient data transmission.
2. Telecommunications: Employed in high-speed data links and communication infrastructure.
3. Data storage systems: Integrated into solid-state drives (SSDs) and storage area networks (SANs) for fast data transfer.
4. Industrial automation: Utilized in control systems and industrial communication protocols.
5. Automotive electronics: Incorporated in advanced driver assistance systems (ADAS) and infotainment systems.

Alternative Models

While the 74GTLP21395DGVRE4 is a popular choice for GTLP logic applications, alternative models from different manufacturers can also be considered. Some notable alternatives include:

• SN65LVDS386
• MC100EP016A
• DS90LV019

These alternatives offer similar functionality and performance characteristics, providing flexibility in component selection