Datasheet

©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
74LCX541 Rev. 1.6.1 2
74LCX541 — Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
Connection Diagrams
Pin Assignments for
SOIC, SOP, SSOP, TSSOP
Pad Assignment for DQFN
(Top View)
Pin Descriptions
Logic Symbol
IEEE/IEC
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Pin Names Description
OE
1
, OE
2
3-STATE Output Enable Inputs
I
0
–I
7
Inputs
O
0
–O
7
Outputs
I
1
I
2
I
3
I
4
I
5
I
6
I
7
GND
I
0
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
OE
2
V
CC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1
I
1
I
2
I
3
I
4
I
5
I
6
I
7
GND
I
0
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
OE
2
V
CC
120
2
3
4
5
6
7
8
9
10 11
19
18
17
16
15
14
13
12
OE
1
Inputs Outputs
OE
1
OE
2
IO
n
LLHH
HXXZ
XHXZ
LLLL
O
0
OE
1
OE
2
EN
&
I
0
O
1
I
1
O
2
I
2
O
3
I
3
O
4
I
4
O
5
I
5
O
6
I
6
O
7
I
7
(Bottom View)
DAP
No Connect
Note: DAP (Die Attach Pad)