NON-VOLATILE LATCH

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

15/134,046

專利證號

US 9,722,584 B1

專利獲證名稱

NON-VOLATILE LATCH

專利所屬機關 (申請機關)

國立清華大學

獲證日期

2017/08/01

技術說明

提供一種非揮發性鎖存器，其中包括鎖存電路，第一開關電路，非揮發性記憶體元件，第二開關電路和第三開關電路。第一開關電路的第一通道將耦合接鎖存電路的第一輸出端。第一開關電路在正常操作時段中被關斷。非揮發性記憶體元件的第一通道耦合到第一開關電路的第二通道。非揮發性記憶體元件的第二通道經由第二開關電路耦合到編程電壓。在儲存階段，根據鎖存電路的鎖存數據和非揮發性記憶體元件的狀態變換條件，第三開關電路可以動態地確定是否將非揮發性記憶體元件的第一通道耦合到參考電壓。 Provided is a non-volatile latch, which includes a latch circuit, a first switch circuit, a non-volatile memory device, a second switch circuit and a third switch circuit. A first terminal of the first switch circuit is coupled to a first output terminal of the latch circuit. The first switch circuit is turned off in a normal operation period. A first terminal of the non-volatile memory device is coupled to a second terminal of the first switch circuit. A second terminal of the non-volatile memory device is coupled to a programming voltage via the second switch circuit. In a store period, according to latched data of the latch circuit and a state transformation condition of the non-volatile memory device, the third switch circuit can dynamically determine whether to couple the first terminal of the non-volatile memory device to a reference voltage.

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