Abstract: Systems, devices, methods, and circuits for managing power supply in semiconductor devices are provided. The semiconductor devices can include 3D NAND flash memory devices with high capacity and/or high performance. In one aspect, a semiconductor device includes: a voltage pump, a pump switch circuit configured to be coupled to the voltage pump, and an interface including a voltage pin coupled to the pump switch circuit. The voltage pump has an input, an output, and a series of pump stages coupled between the input and the output. The pump switch circuit is configured to provide an input voltage received at the voltage pin to a corresponding node in the voltage pump to select a corresponding number of pump stages of the series of pump stages to output a target voltage at the output of the voltage pump.

Abstract: Disclosed are a multi-circuit control system and a reading method for status information thereof. The multi-circuit control system includes a first circuit and N second circuits. The second circuit is, for example a three dimensional NAND flash memory circuit, and the multi-circuit control system provides a storage media with high-performance and high-capacity. The first circuit provides a read clock signal. The second circuits are coupled in series, and coupled to the first circuit. Each of the second circuits has at least one first data shifter. The at least one data shifter is used to load status information of each of the second circuits, and shift out each of the status information to a second circuit of a previous stage or the first circuit or the first chip obtains the status information of each of the second circuits through a parallel transmission scheme.

Abstract: An electrical adapter is composed of a body and a changeable plug. The body has a housing being composed of a first semi-housing having a first notch and a second semi-housing having a second notch. A circuit plate is received in the housing and has a third notch and two strips respectively provided at a top and a bottom of the third notch. A first plug is rotatably mounted in the first notch and the second notch, and has a seat, two rods vertically extending through a top and a bottom of the seat respectively and electrically connected with the strips respectively, and two first blades horizontally inserted in the seat and respectively and electrically connected with the rods. The changeable plug has a connector with two passages for respectively receiving the first blades, and a second plug with at least two second blades perpendicular to the passages.

Abstract: An electrical adapter is composed of a body and a changeable plug. The body has a housing being composed of a first semi-housing having a first notch and a second semi-housing having a second notch. A circuit plate is received in the housing and has a third notch and two strips respectively provided at a top and a bottom of the third notch. A first plug is rotatably mounted in the first notch and the second notch, and has a seat, two rods vertically extending through a top and a bottom of the seat respectively and electrically connected with the strips respectively, and two first blades horizontally inserted in the seat and respectively and electrically connected with the rods. The changeable plug has a connector with two passages for respectively receiving the first blades, and a second plug with at least two second blades perpendicular to the passages.