74lvt244b NXP Semiconductors, 74lvt244b Datasheet - Page 3

• Manufacturer Part Number: 74lvt244b
• Description: 3.3v Octal Buffer/line Driver 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATION
PIN DESCRIPTION
LOGIC SYMBOL
1998 Nov 12
3.3V Octal buffer/line driver (3-State)
PIN NUMBER
18, 16, 14, 12
11. 13, 15, 17
2, 4, 6, 8
9, 7, 5, 3
1, 19
10
20
11
13
15
17
19
2
4
6
8
1
GND
1OE
1A0
2Y3
1A1
2Y2
1A2
2Y1
1A3
2Y0
1A0
1A1
1A2
1A3
1OE
2A0
2A1
2A2
2A3
2OE
1A0 – 1A3
2A0 – 2A3
1Y0 – 1Y3
2Y0 – 2Y3
1OE, 2OE
SYMBOL
10
1
2
3
4
5
6
7
8
9
GND
V
CC
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
NAME AND FUNCTION
20
19
18
17
16
15
14
13
12
11
Data inputs
Data inputs
Data outputs
Data outputs
Output enables
Ground (0V)
Positive supply voltage
18
16
14
12
9
7
5
3
V
2OE
1Y0
2A3
1Y1
2A2
1Y2
2A1
1Y3
2A0
CC
SV00010
SV00011
3
FUNCTION TABLE
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off ” state
nOE1
H
L
L
INPUTS
nAx
H
X
L
74LVT244B
Product specification
OUTPUTS
nYx
H
L
Z