Excavating
Patent
1988-01-22
1993-06-22
Chun, Debra A.
Excavating
371 28, 364DIG1, 3642328, 364249, 364264, G06F 1134
Patent
active
052222322
ABSTRACT:
Each time a programmable read only memory is written, the memory device of the programmable read only memory is degraded a certain extent.
This invention relates to a microcomputer having a programmable read only memory. The programmable read only memory includes a special area for recording the number of writes to a user operating area and for monitoring the life of the programmable read only memory.
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Chun Debra A.
Mitsubishi Denki & Kabushiki Kaisha
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