Computer system and method for operating information processing device
A computer system and computer technology, applied in the fields of products or compositions, processes, and machines, can solve problems such as increased power consumption
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Embodiment approach 1
[0095] In the present embodiment, an information processing device according to one embodiment of the present invention used as a storage device will be described.
[0096]
[0097] figure 1 It is a block diagram showing a configuration example of an information processing apparatus. As an example, the information processing apparatus 50 includes a storage unit 1196 , a controller 1197 , and a bus interface 1198 .
[0098] As an example, the information processing device 50 has a function of acquiring a signal including command information from the outside, and writing data to the storage unit 1196 according to the command. Note that the storage section 1196 includes, as an example, a storage unit to which the data is written. In addition, the memory section 1196 may include a transistor or the like for selecting the memory cell.
[0099] Specifically, for example, the signal ISG containing instruction information input to the information processing apparatus 50 is input to...
Embodiment approach 2
[0136] In this embodiment, a configuration example of a storage unit (NAND-type storage circuit) that can be applied to the storage unit 1196 of Embodiment 1 will be described.
[0137]
[0138] will refer to Figure 4A An example of the storage unit will be described. Figure 4A It is a circuit diagram showing n (n is an integer of 1 or more) memory cells. That is, Figure 4A The circuit shown includes memory cells MC[1] to MC[n], wiring WWL[1] to wiring WWL[n] for controlling these memory cells, wiring RWL[1] to wiring RWL[n], Wiring WBL and wiring RBL. Further, the wiring WWL is used as a write word line, the wiring RWL is used as a read word line, the wiring WBL is used as a write bit line, and the wiring RBL is used as a read bit line.
[0139] Each memory cell MC includes a transistor WTr and a transistor RTr as OS transistors, and a capacitor CS. Figure 4A The illustrated transistor RTr is a transistor having a back gate, and the threshold voltage of the transis...
Embodiment approach 3
[0225] In this embodiment, a configuration example of the information processing apparatus described in Embodiment 1 and a configuration example of a transistor that can be applied to the information processing apparatus will be described.
[0226]
[0227] Figure 11 The illustrated information processing apparatus includes a storage unit 100 and a control unit 200 . Figure 11 is a cross-sectional view of the transistor 300 in the channel length direction, Figure 12 is a cross-sectional view of the transistor 300 in the channel width direction.
[0228] exist Figure 11 , the control unit 200 corresponds to figure 1 In the circuit including the controller 1197, the storage unit 100 is equivalent to figure 1 in the storage section 1196.
[0229] First, the transistor 300 included in the control unit 200 and the insulator, conductor, and the like formed around the transistor 300 will be described.
[0230] As an example, the transistor 300 is provided on a substrate 3...
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