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公开(公告)号：DE69925593D1
公开(公告)日：2005-07-07
申请号：DE69925593
申请日：1999-09-08
Applicant: ST MICROELECTRONICS SRL
Inventor： GARBELLI LUIGI EUGENIO , LUCIANO GUISEPPE , PORTALURI SALVATORE
Abstract: The monitoring of multiple supply voltages of an IC, part of which are externally provided and part of which, of different voltage and sign, are internally generated (12V, 5V, 3.3V, 2.5V, -5V), consisting in generating a logic signal (NPOR) monitoring the correctness of all said supply voltages after an initial soft start phase of the turn-on process, is done by using a single external capacitor (C) connected to a pin of the integrated circuit.
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