SN65HVD21MDREPG4

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Facilitates reliable data transmission in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• Pin Pitch: 1.27 mm

Detailed Pin Configuration

1. VCC: Power supply voltage
2. GND: Ground reference
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver output enable
6. RE: Receiver output enable
7. RS: Receiver input
8. NC: No connection

Functional Features

• Half-Duplex Communication: Enables bidirectional data transfer on a single communication line
• Low Power Consumption: Optimized for battery-powered devices
• ESD Protection: Built-in electrostatic discharge protection for enhanced reliability
• Fail-Safe Receiver: Automatically switches to a high-level output when the bus is idle or shorted
• Wide Supply Voltage Range: Allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed data transmission - Low power consumption - Robust ESD protection - Fail-safe receiver ensures reliable communication

Disadvantages: - Limited to half-duplex communication - Requires external components for complete functionality

Working Principles

The SN65HVD21MDREPG4 is a transceiver IC designed for half-duplex communication in industrial applications. It operates by converting digital signals from a microcontroller or other logic devices into differential voltage signals suitable for transmission over a communication bus. The transceiver also receives differential voltage signals from the bus and converts them back into digital signals for further processing.

Detailed Application Field Plans

The SN65HVD21MDREPG4 is widely used in various industrial applications, including:

1. Factory Automation: Enables reliable communication between PLCs (Programmable Logic Controllers), sensors, and actuators in automated manufacturing systems.
2. Building Automation: Facilitates data exchange between control panels, HVAC systems, lighting controls, and other building automation devices.
3. Process Control: Ensures seamless communication between control systems and field devices in industries such as oil and gas, chemical, and power generation.
4. Automotive Electronics: Supports communication between different electronic modules within vehicles, such as engine control units, body control modules, and infotainment systems.

Detailed and Complete Alternative Models

1. MAX485: Similar half-duplex transceiver with higher data rate capability.
2. LTC2875: Full-duplex transceiver with advanced features like hot-swap capability and high ESD protection.
3. SN65HVD230: Low-power, half-duplex transceiver with a smaller package size.

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