74LCX540(2006) View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
74LCX540
(Rev.:2006)
(Rev.:2006)
Fairchild Semiconductor
74LCX540 Datasheet PDF : 14 Pages
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Logic Symbol
OE1
OE2
IEEE/IEC
&
EN
I0
O0
I1
O1
I2
O2
I3
O3
I4
O4
I5
O5
I6
O6
I7
O7
Connection Diagrams
Pin Assignments for
SOIC, SOP, SSOP, TSSOP
OE1 1
I0 2
I1 3
I2 4
I3 5
I4 6
I5 7
I6 8
I7 9
GND 10
20 VCC
19 OE2
18 O0
17 O1
16 O2
15 O3
14 O4
13 O5
12 O6
11 O7
Pad Assignment for DQFN
OE1 VCC
1 20
I0 2
19 OE2
I1 3
18 O0
I2 4
17 O1
I3 5
16 O2
I4 6
15 O3
I5 7
14 O4
I6 8
13 O5
I7 9
12 O6
10 11
GND O7
(Top View)
Pin Descriptions
Pin Names
OE1, OE2
I0–I7
O0–O7
Description
3-STATE Output Enable Inputs
Inputs
Outputs
Truth Table
OE1
L
H
X
L
Inputs
OE2
L
X
H
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Outputs
I
On
H
H
X
Z
X
Z
L
L
2
74LCX540 Rev. 1.0.0
www.fairchildsemi.com
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