54abt16245 National Semiconductor Corporation, 54abt16245 Datasheet - Page 2

• Manufacturer Part Number: 54abt16245
• Description: 16-bit Transceiver With Tri-state Outputs
• Manufacturer: National Semiconductor Corporation

PrintDate=1998/08/27 PrintTime=14:50:42 44961 ds100200 Rev. No. 1 cmserv
www.national.com
Connection Diagram
Functional Description
The ’ABT16245 contains sixteen non-inverting bidirectional
buffers with TRI-STATE outputs. The device is byte con-
trolled with each byte functioning identically, but independent
of the other. The control pins can be shorted together to ob-
tain full 16-bit operation.
Truth Table
H = High Voltage Level
L = Low Voltage Level
X = Immaterial
Z = High Impedance
OE
OE
H
L
L
H
L
L
2
1
Inputs
Inputs
T/R
T/R
H
X
L
Pin Assignment for Cerpack
H
L
X
2
1
Bus B
Bus A
HIGH-Z State on A
Bus B
Bus A
HIGH-Z State on A
8
8
–B
–A
0
0
–B
–A
15
15
7
7
DS100200-2
Data to Bus A
Data to Bus B
Data to Bus A
Data to Bus B
Outputs
Outputs
8
–A
0
–A
15
7
, B
, B
8
8
0
0
–A
–B
8
0
–A
–B
–B
–B
15
15
7
7
15
7
2
Logic Diagrams
Proof
DS100200-3
DS100200-4
2