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74VCXR162601 View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
74VCXR162601 Low Voltage 18-Bit Universal Bus Transceivers with 3.6V Tolerant Inputs and Outputs and 26Ω Series Resistors in the Outputs Fairchild
Fairchild Semiconductor Fairchild
74VCXR162601 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
Connection Diagram
Logic Diagram
Pin Descriptions
Pin Names
Description
OEAB, OEBA
Output Enable Inputs (Active LOW)
LEAB, LEBA
Latch Enable Inputs
CLKAB, CLKBA
Clock Inputs
CLKENAB, CLKENBA Clock Enable Inputs
A1A18
B1B18
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
Function Table (Note 2)
Inputs
Outputs
CLKENAB OEAB LEAB CLKAB An
X
H
X
X
X
X
L
H
X
L
X
L
H
X
H
H
L
L
X
X
H
L
L
X
X
L
L
L
L
L
L
L
H
L
L
L
L
X
L
L
L
H
X
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial (HIGH or LOW, inputs may not float)
Z = HIGH Impedance
Bn
Z
L
H
B0 (Note 3)
B0 (Note 3)
L
H
B0 (Note 3)
B0 (Note 4)
Note 2: A-to-B data flow is shown; B-to-A flow is similar but uses OEBA,
LEBA, CLKBA, and CLKENBA.
Note 3: Output level before the indicated steady-state input conditions
were established
Note 4: Output level before the indicated steady-state input conditions
were established, provided that CLKAB was HIGH before LEAB went LOW.
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