Signal establishing time control circuit and dynamic storage based on same
A dynamic memory and control circuit technology, applied in static memory, information storage, digital memory information, etc., can solve the problems of short storage retention time and increase the data retention time of dynamic memory, etc.
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[0022] A new control method for dynamic memory signal setup time. as attached Image 6 As shown, when the activation operation or the refresh operation, wlmimic will rise, indicating that the word line has been selected and raised, there are two paths from wlmimic to SA_en, path 1 only passes through the delay module sdt timer1, path 2 passes through sdt timer1 and then After sdt timer2, which path the output SA_en passes through is determined by the multiplexer controlled by the signal refresh, and the signal setup time is determined by the delay modules in these two paths. When the dynamic memory performs the activation operation, refresh=0, wlmimic to SA_en passes through path 1, and the signal establishment time is only the delay of the delay module sdt timer1. When the dynamic memory performs a refresh operation, refresh=1, wlmimic to SA_en passes through path 2, and the signal establishment time is increased on the basis of the delay of the delay module sdt timer1 The d...
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