Semiconductor memory with arbitrary data masking

Details Semiconductor memory with arbitrary data masking Semiconductor memory with arbitrary data masking

1998-07-23

2000-04-18

Nelms, David

Static information storage and retrieval

Addressing

Sync/clocking

365221, G11C 800

Patent

active

060523301

ABSTRACT:
It is an object of the invention to provide a semiconductor memory capable of masking arbitrary number of data of a plurality of input-output data. To achieve this object, the semiconductor memory comprises a memory part for storing therein a plurality of data, a data control circuit to which input data mask control signals and an output data mask control signal are inputted for masking arbitrary data of a plurality of consecutive data which are written on the memory part in response to the input data mask control signals, and for masking arbitrary data of a plurality of consecutive data which are read from the memory part in response to the output data mask control signal, and a data mask control circuit for generating the input data mask control signals, and the output data mask control signal in response to the input-output data mask control signals.

REFERENCES:
patent: 5315560 (1994-05-01), Nishimoto et al.
patent: 5587954 (1996-12-01), Vogley et al.
patent: 5659518 (1997-08-01), McLaury
patent: 5678058 (1997-10-01), Sato
Jei Hawn Yoo, "A 32-Bank 1Gb DRAM with 1Gb/s Band Width", IEEE International Solid-State Circuits Conference, 1996, pp. 378-379.

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