74LCX245 Datasheet, PDF (2/12 Pages) Fairchild Semiconductor – Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

Logic Symbol
Connection Diagrams
Pin Assignments for SOIC,
SOP, SSOP, and TSSOP
Pin Descriptions
Pin Names
Description
OE
T/R
A₀–A₇
B₀–B₇
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
Truth Table
Inputs
OE T/R
Outputs
L
L Bus B₀ – B₇ Data to Bus A₀ – A₇
L
H Bus A₀ – A₇ Data to Bus B₀ – B₇
H
X HIGH Z State on A₀ – A₇, B₀ – B₇ (Note 5)
H HIGH Voltage Level
L LOW Voltage Level
X Immaterial
Z High Impedance
Note 5: Unused bus terminals during HIGH Z State must be held
HIGH or LOW.
Logic Diagram
Pin Assignment for DQFN
(Top Through View)
www.fairchildsemi.com
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