Datasheet

SN65HVD1780
SN65HVD1781
SN65HVD1782
www.ti.com SLLS877F –DECEMBER 2007–REVISED FEBRUARY 2010
REVISION HISTORY
Changes from Original (DECEMBER 2007) to Revision A Page
• Changed Receiver propagation delay max value From: 50 ns To: 70 ns. ........................................................................... 5
• Changed t
PLZ
, t
PHZ
Receiver disable time From 3000 ns To 100 ns. .................................................................................... 5
Changes from Revision A (JANUARY 2008) to Revision B Page
• Changed the I
OS
Min value From: -150 To: -200 and Max value From: 150 To: 200 .......................................................... 4
Changes from Revision B (APRIL 2008) to Revision C Page
• Added two new part numbers 1780 and 1782 ...................................................................................................................... 1
• Deleted Features Bullet: Designed for RS-485 and RS-422 Networks ................................................................................ 1
• Added Features Bullet .......................................................................................................................................................... 1
• Changed making it a drio-in upgrade for most devices -to- making them drop-in upgrades in most systems. ................... 1
• Changed The HVD1781 is -to- These devices are ............................................................................................................... 1
• Added sentence to the last paragraph of the Description - For applications where operation ............................................. 1
• Added 2 more rows to the signaling rate entry - HVD1780, HVD1781 and HVD1782 with MAX signaling rate for
each ...................................................................................................................................................................................... 3
Changes from Revision C (JULY 2008) to Revision D Page
• Changed Receiver propagation delay max value From: 70 ns To: 80 ns. ........................................................................... 5
Changes from Revision D (AUGUST 2008) to Revision E Page
• Changed Bus input current (disabled driver), seperating the condition for the different devices. ........................................ 4
• Changed HVD1782 Driver differential output rise/fall time for V
CC
> 4.5V From: MIN = 3ns, MAX = 30ns To: MIN =
--, TYP = 16ns, MAX = -- ...................................................................................................................................................... 5
• Changed HVD1782 Driver propagation delay MAX value From: 50 ns To: 55 ns ............................................................... 5
Changes from Revision E (SEPTEMBER 2008) to Revision F Page
• Deleted 70-V from the title .................................................................................................................................................... 1
• Changed first Features Bullet From: Bus-Pin Fault Protection to > ±70 V To: Bus-Pin Fault Protection to: > ±70 V
('HVD1780, 81); > ±30 V ('HVD1782) ................................................................................................................................... 1
• 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. .............................. 1
• Changed Voltage range at bus pins inthe ABS MAX RATINGS table, adding seperate conditions for the different
devices .................................................................................................................................................................................. 3
• Changed From: Voltage input range, transient pulse, A and B, through 100 Ω in the ABS MAX RATINGS table To:
Transient overvoltage pulse through 100 Ω per TIA-485 ..................................................................................................... 3
• Changed the HVD1780 Driver differential output rise/fall time, added seperate test conditions and values ....................... 5
• Changed Figure 8 title From: Measurement of Receiver Enable Times With Driver Disabled To: 'HVD1781
Measurement of Receiver Enable Times With Driver Disabled .......................................................................................... 10
• Added Figure 13 ................................................................................................................................................................. 12
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