Abstract:
The present invention is related to a regulator circuit comprising a regulator circuit input and a regulator circuit output, a regulating element in connection with the regulator circuit input and the regulator circuit output, and a control circuit arranged for being fed with a signal related to the regulator circuit output. The regulator circuit further comprises a safety detector arranged for being fed with the signal related to the regulator circuit output. The safety detector is further arranged to control a switch, being in connection with the control circuit's output and with the regulating element.
Abstract:
A serial in random out memory circuit has a number of memory cells (10) integrated with write control circuitry (decoder1, decoder 2, 20) for writing a sequence of data inputs to sequential locations in the memory cells. Read control circuitry (decoder1, decoder 2, 20) is integrated to receive address signals from an external device and provide a random access read output from the memory cells, mapped into an address range of the external device. Compared to circuits using discrete components and conventional RAM chips, the integrated SIRO can enable some of the circuitry or external software to be dispensed with and so reduce costs or increase performance. The memory cells can be arranged in a number of blocks, selectable one at a time for mapping to the external device address range.