Integrated circuit memory card for write in/read out capability having plurality of latching means for expandable addressing using counting means for enabling latches thereof
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United States of America Patent
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-
Dec 10, 1996
Issued Date -
N/A
app pub date -
Jun 5, 1995
filing date -
Sep 28, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
An IC memory card for storing picture data, character data or similar data. The memory card has an input/output section connectable to a host, a storage implemented by a semiconductor memory, and a controller for writing or reading data out of the storage. The input/output section has a data terminal for receiving an address signal and a data signal each being made up of a plurality of blocks continuously, an address/data discrimination terminal for receiving a bilevel signal for discriminating the address signal and data signal fed to the data terminal from each other, a read/write discrimination terminal for receiving a bilevel signal for discriminating the read-out and write-in of data from each other, and a bus clock input terminal for receiving a bus clock synchronous to each block of the address signal or each block of the data signal.
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