SN65HVD08D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Provides a robust interface between microcontrollers and the physical bus in industrial applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Data Rate: Up to 5 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: Reserved pin
8. NC: No connection

Functional Features

• Half-Duplex Communication: Allows transmission and reception on a single bus line
• Low Power Consumption: Ideal for battery-powered applications
• ESD Protection: Provides robustness against electrostatic discharge
• Wide Supply Voltage Range: Ensures compatibility with various systems
• Fail-Safe Receiver: Outputs high-level signal when the bus is idle or open

Advantages

• High-Speed Communication: Supports data rates up to 5 Mbps
• Easy Integration: Compatible with various microcontrollers and bus systems
• Robust Design: Withstands harsh industrial environments
• Cost-Effective Solution: Offers reliable communication at an affordable price

Disadvantages

• Limited to Half-Duplex Communication: Not suitable for full-duplex applications
• Requires External Components: Additional components may be needed for proper operation

Working Principles

The SN65HVD08D is a transceiver IC designed for half-duplex communication. It utilizes differential signaling to transmit and receive data on a single bus line. The driver section converts the logic-level signals from a microcontroller into differential voltage signals suitable for transmission. On the receiving end, the receiver section converts the differential signals back into logic-level signals.

Detailed Application Field Plans

The SN65HVD08D is commonly used in industrial automation, automotive systems, and other applications that require reliable communication over long distances. Some specific application areas include:

1. Fieldbus Systems: Used in various fieldbus protocols such as Profibus, DeviceNet, and CAN (Controller Area Network).
2. Industrial Control Systems: Enables communication between PLCs (Programmable Logic Controllers), sensors, and actuators.
3. Automotive Networks: Facilitates communication in automotive networks like LIN (Local Interconnect Network) and FlexRay.

Detailed and Complete Alternative Models

• MAX485: Similar half-duplex transceiver with RS-485 compatibility
• SN65HVD11: Half-duplex transceiver with higher data rate capability
• LTC2875: Full-duplex transceiver with advanced features for industrial applications

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