4 Revision History

Changes from G Revision (August 2015) to H Revision

• Added WEBENCH information to the Features, Detailed Design Procedure, and Device Support sectionsGo
• Added values to the Storage temperature in the Absolute Maximum Ratings tableGo
• Added the Equivalent Input Schematic sectionGo

Changes from F Revision (August 2012) to G Revision

• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go

Changes from E Revision (September 2008) to F Revision

• Deleted text from the first Description paragraph - The internal current-limit circuits allow fault survivability without causing the high bus currents that otherwise might damage external components or power supplies. Go
• Changed From: Voltage input range, transient pulse, A and B, through 100 Ω in the Absolute Maximum Ratings table To: Transient overvoltage pulse through 100 Ω per TIA-485Go
• Changed Figure 13 title From: Measurement of Receiver Enable Times With Driver Disabled To: Measurement of Receiver Enable Times With Driver DisabledGo

Changes from D Revision (August 2008) to E Revision

• Changed Bus input current (disabled driver), separating the condition for the different devices.Go

Changes from C Revision (July 2008) to D Revision

• Changed Receiver propagation delay max value From: 70 ns To: 80 ns.Go

Changes from B Revision (April 2008) to C Revision

• Added two new part numbers 1780 and 1782Go
• Deleted Features Bullet: Designed for RS-485 and RS-422 NetworksGo
• Changed making it a drop-in upgrade for most devices -to- making them drop-in upgrades in most systems.Go

Changes from A Revision (January 2008) to B Revision

• Changed the I_OS Min value From: -150 To: -200 and Max value From: 150 To: 200Go

Changes from * Revision (December 2007) to A Revision

• Changed Receiver propagation delay max value From: 50 ns To: 70 ns.Go
• Changed t_PLZ, t_PHZ Receiver disable time From 3000 ns To 100 ns.Go