Semiconductor device having programmable read only memory cells for specific mode
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United States of America Patent
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-
Oct 23, 1990
Grant Date -
N/A
app pub date -
Dec 8, 1987
filing date -
Dec 20, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A semiconductor device having an internal circuit comprising a program circuit for programming a PROM, a discrimination circuit for discriminating the contents of the PROM, and a specific mode starting circuit for bringing the internal circuit to a specific mode when a specific mode starting signal is output from the discrimination circuit. Consequently, the semiconductor device can be brought to the specific mode without the need for special additional equipment.
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