NON-VOLATILE SRAM MEMORY CELL AND NON-VOLATILE SEMICONDUCTOR STORAGE DEVICE

A non-volatile SRAM memory cell and a non-volatile semiconductor memory device capable of programming SRAM data in a SRAM to a non-volatile memory unit through fast operation of the SRAM are disclosed. A non-volatile semiconductor memory device can achieve reduction in a voltage necessary for a prog...

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Bibliographische Detailangaben
Hauptverfasser:	SHINAGAWA Yutaka, TANIGUCHI Yasuhiro, SAKURAI Ryotaro, KASAI Hideo, OKUYAMA Kosuke, KAWASHIMA Yasuhiko, TOYA Tatsuro
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INFORMATION STORAGE PHYSICS SEMICONDUCTOR DEVICES STATIC STORES
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Beschreibung
Zusammenfassung:	A non-volatile SRAM memory cell and a non-volatile semiconductor memory device capable of programming SRAM data in a SRAM to a non-volatile memory unit through fast operation of the SRAM are disclosed. A non-volatile semiconductor memory device can achieve reduction in a voltage necessary for a programming operation to program SRAM data to the non-volatile memory unit. Thus, a first access transistor, a second access transistor, a first load transistor, a second load transistor, a first drive transistor, and a second drive transistor included in the SRAM connected with the non-volatile memory unit can each include a gate insulating film having a thickness less than or equal to 4 nm, which achieves fast operation of the SRAM at a lower power supply voltage.