Reset detection circuit in semiconductor integrated circuit

Details Reset detection circuit in semiconductor integrated circuit Reset detection circuit in semiconductor integrated circuit

2007-12-25

2007-12-25

Pert, Evan (Department: 2826)

Static information storage and retrieval

Powering

C365S228000, C327S538000, C327S545000

Reexamination Certificate

active

11714203

ABSTRACT:
A reset detection circuit for a logic circuit and a RAM includes a first determining circuit, a second determining circuit and a reset signal generating circuit. The first determining circuit operates with a first voltage and determines whether a second voltage is equal to or higher than a reset voltage for the logic circuit. The second determining circuit operates with the first voltage and determines whether the first voltage is equal to or higher than a minimum operating voltage as a guarantee voltage for an operation of the first determining circuit. The reset signal generating circuit outputs a reset signal for resetting the logic circuit and the RAM, when the first voltage is lower than the minimum operating voltage and the second voltage is lower than the reset voltage.

REFERENCES:
patent: 2005-316594 (2005-11-01), None

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