First-in, first-out (FIFO) memory configuration for queue storage
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United States of America Patent
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Mar 26, 1985
Grant Date -
N/A
app pub date -
Aug 13, 1982
filing date -
Aug 13, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A first-in, first-out queue has a random access memory (RAM) for storing a plurality of information words, seriatim. A controller is used to insure that only after a complete message, comprising the information words, has been received will a word of that message be read out. Three pointers are used to effect this result. A read pointer addresses the location in the RAM from where a word may be read. A write pointer addresses the location in the RAM where a word may be entered. A third pointer addresses the location in the RAM where the last word of a complete message is stored.
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