74FR16245 Datasheet, PDF (3/5 Pages) National Semiconductor (TI) – 16-Bit Transceiver with TRI-STATE Outputs

74FR16245
Pin Descriptions
Pin Names
OE_n
T/R_n
A₀–A₁₅
B₀–B₁₅
Description
Output Enable Input
Transmit/Receive Input
A Bus Inputs/3-STATE Outputs
B Bus Inputs/3-STATE Outputs
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Inputs
Output Operating Mode
Byte1 (0:7) Byte2 (8:15)
OE₁ T/R₁ OE₂ T/R₂
Byte1 (0:7)
Byte2 (8:15)
L
L
H
X Bus B Data to A High Z State
L
H
H
X Bus A Data to B High Z State
H
X
L
L
High Z State Bus B Data to A
H
X
L
H
High Z State Bus A Data to B
L
L
L
L Bus B Data to A Bus B Data to A
L
H
L
H Bus A Data to B Bus A Data to B
H
X
H
X
High Z State
High Z State
Logic Diagram
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Specification Number 74FR16245-CI(F) Rev A
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