54abt16244 National Semiconductor Corporation, 54abt16244 Datasheet - Page 2

• Manufacturer Part Number: 54abt16244
• Description: 16-bit Buffer/line Driver With Tri-state Outputs
• Manufacturer: National Semiconductor Corporation

www.national.com
Functional Description
The ’ABT16244 contains sixteen non-inverting buffers with TRI-STATE outputs. The device is nibble (4 bits) controlled with each
nibble functioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation.
Truth Tables
H = High Voltage Level
L = Low Voltage Level
X = Immaterial
Z = High Impedance
Logic Diagram
OE
OE
H
L
L
H
L
L
3
1
Inputs
Inputs
I
8
I
0
–I
H
X
H
L
–I
L
X
11
3
Outputs
Outputs
O
O
8
0
–O
H
L
Z
H
–O
L
Z
11
3
2
DS100223-3
OE
OE
H
L
L
H
L
L
4
2
Inputs
Inputs
I
12
I
4
H
X
–I
L
–I
H
X
L
15
7
O
Outputs
Outputs
O
12
4
H
H
–O
L
Z
–O
L
Z
15
7