Compact semiconductor memory device capable of preventing incomp

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Details

36518529, 36518522, 36518907, 365218, G11C 1606

Patent

active

055924298

ABSTRACT:
In a semiconductor memory device 100 including a power supply voltage decision circuit 101 for detecting whether or not the power supply voltage is higher than a predetermined level to produce an output signal LVD, an oscillator 102 which produces an oscillated signal .phi. as an output signal, an intended counter value altering circuit 103, and a binary counter circuit 104, a writing or erasing time interval is elongated by the output signal LVD, when the power supply voltage becomes lower than the predetermined level.

REFERENCES:
patent: 5200920 (1993-04-01), Norman et al.
patent: 5436913 (1995-07-01), Yamamura et al.
patent: 5513333 (1996-04-01), Kynett et al.

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