Semiconductor storage device

Details Semiconductor storage device Semiconductor storage device

1998-11-17

2000-01-11

Phan, Trong

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

365207, 365208, G11C 700

Patent

active

060143371

ABSTRACT:
A semiconductor storage device having a plurality of banks therein, includes a main drive circuit (hereinafter referred to as a main SAPN circuit), provided for each bank, for driving a sense amplifier and an auxiliary drive circuit (hereinafter referred to as a sub-SAPN circuit) for holding electric potential after driving the sense amplifier. The main SAPN circuit of each bank is commonly connected to a VDD wiring and a GND wiring (hereinafter referred to as a main power-supply wiring), the sub-SAPN circuit of each bank is connected to each of the VDD wiring and the GND wiring which are provided for each bank and smaller in capacity than the main power-supply wiring, and after completion of a sensing operation by the sense amplifier of each bank, only the sub-SAPN circuit is set in an active state to hold electric potential of the sense amplifier.

REFERENCES:
patent: 5590080 (1996-12-01), Hasagawa et al.
patent: 5706244 (1998-01-01), Shimizu
patent: 5774409 (1998-06-01), Yamazaki et al.
patent: 5854771 (1998-12-01), Mori

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