| http://www.w3.org/ns/prov#value | - As a technology for overcoming those problems, a method is known including the steps of providing a step-down type switching regulator excluding a smoothing circuit including an inductance and a capacitor on a chip, supplying only a standard power supply voltage Vcc for interface on the semiconductor chip and stepping down the voltage on each chip to generate an internal power supply voltage Vddi.
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