Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

1993-05-18

1994-10-18

LaRoche, Eugene R.

Static information storage and retrieval

Read/write circuit

36518901, 365194, 365203, 365204, G11C 700

Patent

active

053574680

ABSTRACT:
A semiconductor memory device according to the present invention comprises a first and second nodes, a first power supply for supplying a supply power potential to the first node, a memory cell for storing data therein; a bit line connected to the memory cell, a sense amplifier connected to the second node, for amplifying a potential of the bit line; a switching circuit connected between the first and second nodes, for coupling the first node with second node in response to a first control signal and substantial disconnecting the first node from the second node in response to a second control signal, a detecting circuit for detecting a potential of the second node and outputting a detection signal when the potential of second node is substantialy equal to the supply power potential, a control circuit applied an address signal having a first or second logic level thereto, for outputting the first control signal in response to the address signal being the first logic level and outputting the second control signal in response to the detection signal after the address signal being the second logic level.

REFERENCES:
patent: 4864540 (1989-10-01), Hashemi et al.
patent: 5077024 (1991-04-01), Tanaka et al.
patent: 5222041 (1993-06-01), Nishimori et al.

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