74LV244 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74LV244 Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal buffer/line driver (3-State)
Product specification
74LV244
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 Data inputs
2Y0 to 2Y3 Bus outputs
GND
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
SV00666
FUNCTIONAL DIAGRAM
2 1A0
4 1A1
6 1A2
8 1A3
1 1OE
17 2A0
15 2A1
13 2A2
11 2A3
19 2OE
1Y0 18
1Y1 16
1Y2 14
1Y3 12
2Y0 3
2Y1 5
2Y2 7
2Y3 9
SV00622
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
L
H
Z
1998 May 20
3
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