PROM built-in micro computer

Details PROM built-in micro computer PROM built-in micro computer

1994-06-14

1995-11-14

Gordon, Paul P.

Boots, shoes, and leggings

365182, 365174, G05B 902, G11C 1134

Patent

active

054672678

ABSTRACT:
A PROM built-in micro computer has a semiconducting nonvolatile memory which can be written into electrically, and has a micro computer. It detects a semiconducting nonvolatile memory cell whose readout current is less than or equal to a constant value at a time of data comparison after a writing operation. The PROM built-in micro computer is adapted to prevent a readout error which may result from a fluctuation of temperature or supply voltage. This may be done by changing a reference potential at the time of a data comparison, by changing the sensitivity of a sense amplifier, or by changing a readout current or a threshold value of the PROM cell.

REFERENCES:
patent: 5142541 (1992-08-01), Kim et al.
patent: 5384732 (1995-01-01), Nishimaki

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