Programmable semiconductor memory apparatus
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United States of America Patent
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-
Mar 5, 1991
Grant Date -
N/A
app pub date -
Jul 10, 1990
filing date -
Jul 11, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A programmable semiconductor memory apparatus comprises a memory cell array, a data sense circuit for reading data from the memory cell array, and a bus line connected to a common node of a plurality of bit lines forming the memory cell array and to the data sense circuit, a circuit for storing an identifying code for identifying the programmable semiconductor memory apparatus is connected to the bus line, thereby enabling the identifying code to be read externally.
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