ZHCSRU3J January 2008 – March 2023 SN65HVD1785 , SN65HVD1786 , SN65HVD1787 , SN65HVD1791 , SN65HVD1792 , SN65HVD1793
PRODUCTION DATA
| INPUT | ENABLE | OUTPUTS | ||
|---|---|---|---|---|
| D | DE | A | B | |
| H | H | H | L | Actively drive bus high |
| L | H | L | H | Actively drive bus low |
| X | L | Z | Z | Driver disabled |
| X | OPEN | Z | Z | Driver disabled by default |
| OPEN | H | H | L | Actively drive bus high by default |
| DIFFERENTIAL INPUT | ENABLE | OUTPUT | |
|---|---|---|---|
| VID = VA – VB | RE | R | |
| VIT+ < VID | L | H | Receive valid bus high |
| VIT– < VID < VIT+ | L | ? | Indeterminate bus state |
| VID < VIT– | L | L | Receive valid bus low |
| X | H | Z | Receiver disabled |
| X | OPEN | Z | Receiver disabled by default |
| Open-circuit bus | L | H | Fail-safe high output |
| Short-circuit bus | L | H | Fail-safe high output |
| Idle (terminated) bus | L | H | Fail-safe high output |