Table 7-1 SN75ALS1177, SN75ALS1178 Functional Table (Each Driver)INPUT D | ENABLE DE | OUTPUTS(1) |
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Y | Z |
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H | H | H | L |
L | H | L | H |
X | L | Z | Z |
Table 7-2 SN75ALS1177 Functional Table (Each Receiver)DIFFERENTIAL A–B | ENABLE RE(1) | OUTPUT Y(1) |
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VID ≥ 0.2V | L | H |
–0.2 V < VID < 0.2V | L | ? |
VID ≤ –0.2V | L | L |
X | H | Z |
Open | L | H |
Table 7-3 SN75ALS1178 Functional Table (Each Receiver)DIFFERENTIAL A–B | OUTPUT Y(1) |
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VID ≥ 0.2V | H |
–0.2 V < VID < 0.2V | ? |
VID ≤ –0.2V | L |
Open | H |
(1) H = High level, L = Low level, ? = Indeterminate, X = Irrelevant, Z = High impedance (off)