Semiconductor memory device including internal power supply circ

Details Semiconductor memory device including internal power supply circ Semiconductor memory device including internal power supply circ

1997-11-20

1999-01-12

Le, Vu A.

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

365226, 36518911, G11C 700

Patent

active

058597999

ABSTRACT:
A plurality of internal power supply voltage generating circuits generate internal power supply voltages. A column select signal at the same voltage level as a first internal power supply voltage applied to a sense amplifier is generated to an I/O gate circuit connecting a bit line pair and an internal data line pair together. A current driving capability of an I/O gate circuit is made relatively small, so that rapid change in potential on a sense node of a sense amplifier is prevented. Thereby, inversion of latched data of the sense amplifier due to collision of data is prevented in such a case voltages on the internal data line pair are not equalized sufficiently.

REFERENCES:
patent: 5592421 (1997-01-01), Kaneko et al.
patent: 5710741 (1998-01-01), McLaury

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