74LVC240A PHILIPS [NXP Semiconductors], 74LVC240A Datasheet - Page 3

• Manufacturer Part Number: 74LVC240A
• Description: Octal buffer/line driver with 5-volt tolerant inputs/outputs; inverting 3-State
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
PIN DESCRIPTION
PIN CONFIGURATION
LOGIC SYMBOL (IEEE/IEC)
1998 May 20
PIN NUMBER
18, 16, 14, 12
17, 15, 13, 11
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
2, 4, 6, 8
3, 5, 7, 9
10
19
20
1
1A
2Y
2A
1Y
SYMBOL
GND
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
0
0
GND
0
0
1
2
4
6
8
19
11
13
15
17
1OE
2OE
V
to 1A
to 2Y
to 2A
to 1Y
CC
10
1
2
3
4
5
6
7
8
9
3
3
3
3
EN
EN
Output enable input (active LOW)
Data inputs
Bus outputs
Ground (0V)
Bus inputs
Bus outputs
Output enable input (active-LOW)
Positive power supply
SV00212
SV00611
20
19
18
17
16
15
14
13
12
11
FUNCTION
18
16
14
12
V
2OE
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
2A3
9
7
5
3
CC
3
H = HIGH voltage level
L = LOW voltage level
X = Don’t care
Z = High impedance OFF-state
FUNCTION TABLE
LOGIC SYMBOL
FUNCTIONAL DIAGRAM
nOE
H
L
L
INPUTS
nA
H
X
L
17
15
13
11
19
2
4
6
8
1
n
17
15
13
11
19
2
4
6
8
1
1A 0
2A 0
1A 1
2A 1
1A 2
2A 2
1A 3
2A 3
1OE
2OE
1A 0
1A 1
1A 2
1A 3
1OE
2A 0
2A 1
2A 2
2A 3
2OE
SV00610
1Y 0 18
1Y 1 16
1Y 2 14
1Y 3 12
2Y 0 3
2Y 1 5
2Y 2 7
2Y 3 9
SV00608
OUTPUT
1Y 0
2Y 0
1Y 1
2Y 1
1Y 2
2Y 2
1Y 3
2Y 3
74LVC240A
nY
H
Z
18
16
14
12
L
3
5
7
9
Product specification
n