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9403A Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. 9403A
Description  First-In First-Out (FIFO) Buffer Memory
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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9403A Datasheet(HTML) 1 Page - Fairchild Semiconductor

 
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April 1989
Revised June 1999
© 1999 Fairchild Semiconductor Corporation
DS010193.prf
www.fairchildsemi.com
9403A
First-In First-Out (FIFO) Buffer Memory
General Description
The 9403A is an expandable fall-through type high-speed
First-In First-Out (FIFO) Buffer Memory optimized for high
speed disk or tape controllers and communication buffer
applications. It is organized as 16-words by 4-bits and may
be expanded to any number of words or any number of bits
in multiples of four. Data may be entered or extracted asyn-
chronously in serial or parallel, allowing economical imple-
mentation of buffer memories.
The 9403A has 3-STATE outputs which provide added ver-
satility and is fully compatible with all TTL families.
Features
s Serial or parallel input
s Serial or parallel output
s Expandable without external logic
s 3-STATE outputs
s Fully compatible with all TTL families
s Slim 24-pin package
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Order Number
Package Number Package Description
9403APC
N24E
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.400 Wide


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