Serial access semiconductor memory having a reduced number of da

Details Serial access semiconductor memory having a reduced number of da Serial access semiconductor memory having a reduced number of da

1994-02-04

1994-12-27

LaRoche, Eugene R.

Static information storage and retrieval

Read/write circuit

Serial read/write

36518912, G11C 700

Patent

active

053771559

ABSTRACT:
In a serial access semiconductor memory, each four bit line pairs of a memory cell array are connected to corresponding four sense amplifiers, respectively, and are connected to each one data register through corresponding four transfer gates controlled by four different data transfer control signal lines, respectively, so that the four bit line pairs are sequentially connected to the data register one at a time, by sequentially activating the four different data transfer control signal lines one at a time. Thus, the required number of the data registers can be reduced to one fourth of the number of the sense amplifiers and hence the bit lines pairs of the memory cell array.

REFERENCES:
patent: 4646272 (1987-02-01), Takasugi
patent: 5289413 (1994-02-01), Tsuchida

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