54ABT646D NSC [National Semiconductor], 54ABT646D Datasheet - Page 2

• Manufacturer Part Number: 54ABT646D
• Description: Octal Transceivers and Registers with TRI-STATE Outputs
• Manufacturer: NSC [National Semiconductor]

www.national.com
Connection Diagrams
Pin Descriptions
Pin Assignment for
DIP and Flatpak
DS100209-3
A
B
CPAB,
CPBA
SAB, SBA
OE
DIR
0
0
–A
–B
Names
Pin
7
7
Data Register A Inputs/
TRI-STATE Outputs
Data Register B Inputs/
TRI-STATE Outputs
Clock Pulse Inputs
Select Inputs
Output Enable Input
Direction Control Input
2
Description
Pin Assignment for LCC
DS100209-4