These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. They are also robust to ESD events, with high levels of protection to human-body model specifications.

These devices combine a differential driver and a differential receiver, which operate from a single power supply. The driver differential outputs and the receiver differential inputs are connected internally to for a bus port suitable for half-duplex (two-wire bus) communication. A cable invert pin (INV) allows active correction of mis-wires that may occur during installation. Upon detecting communication errors, the user can apply a logic HIGH to the INV pin, effectively inverting the polarity of the differential bus port, thereby correcting for the reversed bus wires.

These devices feature a wide common-mode voltage range, making them suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 105°C.

For similar features with 3.3 V supply operation, see the SN65HVD1781 (SLLS877).

• Bus-Pin Fault Protection to > ±70 V
• Cable Invert Function Allows Correction for Reversed Bus Pins
• Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA 485 Requirement
• Bus I/O Protection
  • ±16 kV JEDEC HBM Protection
• Reduced Unit Load for Up to 256 Nodes
• Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions
• Low Power Consumption
  • ICC 5 mA Quiescent During Operation
• Power-Up, Power-Down Glitch-Free Operation

• Number of receivers
• 1
• Number of transmitters
• 1
• Duplex
• Half
• Supply voltage (Nom) (V)
• 5
• Signaling rate (Max) (Mbps)
• 0.115
• IEC 61000-4-2 contact (+/- kV)
• —
• Fault protection (V)
• -70 to 70
• Common mode range
• -20 to 25
• Number of nodes
• 256
• Features
• Fault protection
• Isolated
• No
• ICC (Max) (mA)
• 6
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 105

SN65HVD1794的完整型号有：SN65HVD1794D、SN65HVD1794DR，以下是这些产品的关键参数及官网采购报价：

SN65HVD1794D，工作温度：-40 to 105，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN65HVD1794D的批量USD价格：1.668（1000+）

SN65HVD1794DR，工作温度：-40 to 105，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN65HVD1794DR的批量USD价格：1.39（1000+）

RS485-FL-DPLX-EVM — RS485-FL-DPLX-EVM：RS-485 全双工评估模块

The RS-485 full-duplex evaluation module (EVM)helps designers evaluate device performance, supporting fast development and analysis of data transmission systems using any of the SN65HVD147x, SN65HVD179x, SN65HVD3x, SN65HVD5x and SN65HVD7x full-duplex transceivers in a 14-pin D package. The (...)

RS485-HF-DPLX-EVM — RS-485 半双工评估模块

RS485 半双工 EVM 可帮助设计人员评估器件性能，支持快速开发和分析采用 SN65HVD1X、SN65HVD2X、SN65HVD7X、SN65HVD8X 或 SN65HVD96 收发器的数据传输系统。此 EVM 板没有焊接到板上的 RS-485 器件。用户可以申请样片或购买任意一种 TI RS-485 半双工器件进行评估。请参见 EVM 用户指南（TI 文献编号 SLLU173）获取完整的兼容器件列表。

SN65HVD1794 IBIS Model

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)

TINA-TI — 基于 SPICE 的模拟仿真程序

TINA-TI 提供了 SPICE 所有的传统直流、瞬态和频域分析以及更多。TINA 具有广泛的后处理功能，允许您按照希望的方式设置结果的格式。虚拟仪器允许您选择输入波形、探针电路节点电压和波形。TINA 的原理图捕获非常直观 - 真正的“快速入门”。

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TINA 是德州仪器 (TI) 专有的 DesignSoft 产品。该免费版本具有完整的功能，但不支持完整版 TINA 所提供的某些其他功能。

如需获取可用 TINA-TI 模型的完整列表，请参阅：SpiceRack - 完整列表

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