Shared electrical supply line for a semiconductor storage device

Details Shared electrical supply line for a semiconductor storage device Shared electrical supply line for a semiconductor storage device

1998-07-17

2000-04-11

Nelms, David

Static information storage and retrieval

Powering

Data preservation

365 51, 365 63, 365206, 365226, G11C 700

Patent

active

060494999

ABSTRACT:
To reduce both the noise level according to separation or short-circuitng of the electrical supply line of the sense amplifiers and the electrical supply line of the word line driving circuit and to effectively prevent destruction of the stored data in the nonselecteded memory cell. Electrical supply line (Vssw) of the power supply voltage with respect to word line driving circuit (SWD) and electrical supply line (Vssa) of power supply voltage with respect to sense amplifier driving circuit (SAD) are arranged separately in memory array area 2 (e.g., in the space in the row direction of memory array (SMAx,y)) and connected to shared electrical supply wiring (Vsso) within peripheral circuit area 3.

REFERENCES:
patent: 4989062 (1991-01-01), Takahashi et al.
patent: 5293559 (1994-03-01), Kim et al.

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