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9403A 데이터 시트보기 (PDF) - Fairchild Semiconductor

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9403A Datasheet PDF : 16 Pages
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April 1989
Revised October 2000
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.
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:
Order Number Package Number
Package Description
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
© 2000 Fairchild Semiconductor Corporation DS010193
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