74vcx2245 Fairchild Semiconductor, 74vcx2245 Datasheet - Page 2

• Manufacturer Part Number: 74vcx2245
• Description: 74vcx2245 Low Voltage Bidirectional Transceiver With 3.6v Tolerant Inputs And Outputs And 26w Series Resistors In B Outputs
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Connection Diagrams
Pin Assignments for SOIC and TSSOP
Pad Assignments for DQFN
(Top Through View)
2
Truth Table
H
L
X
Z
Note 3: Unused bus terminals during HIGH Z State must be held HIGH or
LOW.
Logic Diagram
LOW Voltage Level
High Impedance
HIGH Voltage Level
Immaterial
OE
H
L
L
Inputs
T/R
H
X
L
Bus B
Bus A
HIGH Z State on A
0
0
–B
–A
7
7
Data to Bus A
Data to Bus B
Outputs
0
–A
7
, B
0
0
0
–A
–B
–B
7
7
7
(Note 3)