
Truth tables ST490AB
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2 Truth tables
Note: X = Don’t care; Z = High impedance
Note: X = Don’t care; Z = High impedance
Table 3. Truth table (driver)
Inputs Outputs
DI Y Z
LLH
HHL
Table 4. Truth table (receiver)
Differential inputs Outputs
A-B RO
≥ -0.2V H
between -0.2V to 0.2V ?
≤ -0.2V L
OPEN H