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54ACTQ657 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54ACTQ657
Description  Quiet Series Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and TRI-STATE Outputs
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54ACTQ657 Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Functional Description (Continued)
Function Table
Number of
Inputs
Input/
Outputs
Inputs That
Output
Are High
OE
T/R
ODD/EVEN
Parity
ERROR
Outputs Mode
0, 2, 4, 6, 8
L
H
H
H
Z
Transmit
L
H
L
L
Z
Transmit
L
L
H
H
H
Receive
L
L
H
L
L
Receive
L
L
L
H
L
Receive
L
L
L
L
H
Receive
1, 3, 5, 7
L
H
H
L
Z
Transmit
L
H
L
H
Z
Transmit
L
L
H
H
L
Receive
L
L
H
L
H
Receive
L
L
L
H
H
Receive
L
L
L
L
L
Receive
Immaterial
H
X
X
Z
Z
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Function Table
Inputs
Outputs
OE
T/R
L
L
Bus B Data to Bus A
L
H
Bus A Data to Bus B
H
X
High-Z State
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
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