JP2019036280A5

JP2019036280A5 - Graphics processing unit

Info

Publication number: JP2019036280A5
Application number: JP2018033052A
Authority: JP
Filing date: 2018-02-27
Publication date: 2021-03-18
Anticipated expiration: 2038-02-27

Claims

A graphics processing unit having an arithmetic unit, a first storage circuit, and a second storage circuit.
The first storage circuit is arranged above the calculation unit.
The second storage circuit is arranged above the first storage circuit.
The first storage circuit has a function as a cache memory and has a function as a cache memory.
The first storage circuit has a plurality of first memory cells.
The second storage circuit has a plurality of second memory cells.
The second memory cell has a first transistor, a second transistor, and a first capacitance.
The first memory cell includes a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor, and the like. It has a tenth transistor, a second capacitance, and a third capacitance.
The source or drain of the first transistor is electrically connected to the gate of the second transistor and the first capacitance.
The source or drain of the third transistor includes the source or drain of the seventh transistor, the source or drain of the ninth transistor, the gate of the eighth transistor, and the gate of the tenth transistor. Electrically connected to,
The source or drain of the fourth transistor includes the source or drain of the eighth transistor, the source or drain of the tenth transistor, the gate of the seventh transistor, and the gate of the ninth transistor. Electrically connected to,
The second capacitance is electrically connected to the gate of the ninth transistor via the fifth transistor.
The third capacitance is electrically connected to the gate of the tenth transistor via the sixth transistor.
The first transistor has a back gate, the gate and the back gate are electrically connected, and the channel contains a metal oxide.
The third transistor, the fourth transistor, the fifth transistor, and the sixth transistor have a back gate, a signal different from the gate is input to the back gate, and a metal is input to the channel. Graphics processing unit containing oxides.

In claim 1,
The calculation unit has a function of performing a product-sum calculation, and has an eleventh transistor.
The channel of the eleventh transistor is a graphics processing unit containing a metal oxide.