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74ACTQ18825MTDX View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
74ACTQ18825MTDX
Fairchild
Fairchild Semiconductor Fairchild
74ACTQ18825MTDX Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Connection Diagram
Logic Diagram
Functional Description
The ACTQ18825 contains eighteen non-inverting buffers
with 3-STATE standard outputs. The device is byte con-
trolled with each byte functioning identically, but indepen-
dently of the other. The control pins may be shorted
together to obtain full 18-bit operation. The 3-STATE out-
puts are controlled by an Output Enable (OEn) input for
each byte. When OEn is LOW, the outputs are in 2-state
mode. When OEn is HIGH, the outputs are in the high
impedance mode, but this does not interfere with entering
new data into the inputs.
Truth Table
Inputs
Outputs
Byte 1 (0:8) Byte 2 (8:17) I0–I8 I9–I17 O0–O8 O9–O17
OE1 OE2 OE3 OE4
L
L
L
L
H
H
H
H
HX L
L
XL
Z
L
XH L
L
XH
Z
H
L
L
H
X
L
X
L
Z
L
L
X
H
H
X
H
Z
HH
H
H
X
X
Z
Z
LL
L
L
L
L
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = HIGH Impedance
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