Pulse generating circuit for self-refresh

Details Pulse generating circuit for self-refresh Pulse generating circuit for self-refresh

2005-11-29

2005-11-29

Dinh, Son T. (Department: 2824)

Static information storage and retrieval

Read/write circuit

Data refresh

C365S194000, C365S211000

Reexamination Certificate

active

06970393

ABSTRACT:
A pulse generating circuit for self refresh including a voltage comparison unit having a plurality of selectable capacitor charged by a feedback voltage variably supplied through a first node depending on temperature change, for comparing the charge voltage with a reference voltage to output a signal corresponding to the comparison result, a delay circuit connected to the output of the voltage comparison unit, a control unit for receiving the output of the delay circuit, and a temperature sensor connected to the output of the control circuit and providing feedback signal to the voltage comparison unit.

REFERENCES:
patent: 4716551 (1987-12-01), Inagaki
patent: 6483764 (2002-11-01), Chen Hsu et al.

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