HVD1785/HVD1787系列芯片解密分析

深圳鹏芯集成电路有限公司从事芯片解密多年，对每一款芯片的特性了如指掌。依靠成熟的现成解密方案，权威的解密技术以及丰富的实际解密经验，我们将为您提供安全可靠、价格合理的优质解密服务。

 如果客户有HVD1785/HVD1787系列芯片解密需求，请与我们联系，深圳鹏芯将以实力雄厚的专业技术力量，保证为您提供令人满意的产品和服务。

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 Bus-Pin Fault Protection to:

 - > ±70 V ('HVD1785, 86,91,92)

 - > ±30 V ('HVD1787, 93)

 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

 - Low Standby Supply Current, 1mA Typ

 - ICC 5mA Quiescent During Operation

 Power-Up, Power-Down Glitch-Free Operation

 APPLICATIONS

 Designed for RS-485 and RS-422 Networks

 These devices are designed to survive overvoltage faults such as direct shorts to power supplies, miswiring faults, connector failures, cable crushes, and tool misapplications. 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. In the 'HVD1785, 'HVD1786, and 'HVD1787, the driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. In the 'HVD1793, the driver differential outputs and the receiver differential inputs are separate pins, to form a bus port suitable for full-duplex (four-wire bus) communication. These ports feature a wide common-mode voltage range, making the devices suitable for multipoint applications over long cable runs. These devices are characterized from -40°C to 105°C.

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