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 |