Circuit for controlling an output of a semiconductor memory

Details Circuit for controlling an output of a semiconductor memory Circuit for controlling an output of a semiconductor memory

1991-02-05

1994-04-19

Callahan, Timothy P.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

36518905, 36518908, 307473, 3072723, G11C 700, G11C 800

Patent

active

053052714

ABSTRACT:
In a circuit for controlling an output of a semiconductor memory, the supply of output data to an output terminal is carried out in accordance with an output of a flip-flop. The flip-flop is set when both a row address strobe signal and a column address strobe signal are active, and is reset when the row address strobe signal is active, the column address strobe signal is inactive and a write enable signal is active, so that the supply of the output data is maintained even after the column address strobe signal becomes inactive, and is stopped when the write enable signal becomes active. Therefore, input and output operations can be carried out without any error even on condition that input and output terminals of the semiconductor memory are common and that the operations are carried out in a page mode.

REFERENCES:
patent: 4397001 (1983-08-01), Takemae
patent: 5046180 (1991-09-01), Ueda et al.

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