74LCX245_08 Datasheet, PDF (2/14 Pages) Fairchild Semiconductor – Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

Connection Diagrams
Pin Assignments for SOIC, SOP, SSOP, and TSSOP
Logic Symbol
Pin Assignment for DQFN
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₍₃₎
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Note:
3. Unused bus terminals during HIGH Z State must be
held HIGH or LOW.
Logic Diagram
(Top Through View)
Pin Description
Pin
Names
OE
T/R
A₀–A₇
B₀–B₇
Description
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
©1994 Fairchild Semiconductor Corporation
74LCX245 Rev. 1.11.0
2
www.fairchildsemi.com