74LV240N View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74LV240N Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal buffer/line driver; inverting (3-State)
Product specification
74LV240
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1
1OE
Output enable input (active LOW)
2, 4, 6, 8
3, 5, 7, 9
10
1A0 to 1A3
2Y0 to 2Y3
GND
Data inputs
Bus outputs
Ground (0 V)
17, 15, 13, 11
18, 16, 14, 12
19
2A0 to 2A3
1Y0 to 1Y3
2OE
Data inputs
Bus outputs
Output enable input (active LOW)
20
VCC
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
1
EN
2
18
4
16
6
14
8
12
19
EN
11
13
15
17
9
7
5
3
SV00611
FUNCTIONAL DIAGRAM
2 1A 0
4 1A 1
6 1A 2
8 1A 3
1 1OE
17 2A 0
15 2A 1
13 2A 2
11 2A 3
19 2OE
1Y 0 18
1Y 1 16
1Y 2 14
1Y 3 12
2Y 0 3
2Y 1 5
2Y 2 7
2Y 3 9
SV00610
FUNCTION TABLE
INPUTS
nOE
nAn
L
L
L
H
H
X
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
OUTPUT
nYn
H
L
Z
1998 May 20
3
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