Multi-port access memory employing a common read/write port

Details Multi-port access memory employing a common read/write port Multi-port access memory employing a common read/write port

1997-11-21

2000-09-19

Yoo, Do Hyun

Static information storage and retrieval

Addressing

Multiple port access

36518902, 365194, 365203, 36523002, 36523006, G11C 800

Patent

active

061222186

ABSTRACT:
This invention is developed to provide a multi-port access memory having: a multi-port access memory cell block for storing data; a number of decoder for receiving an address for reading and writing the data and, in response to a read enable signal or a write enable signal, for decoding the address to thereby select one of word lines of the multi-port access memory cell block; and data selection circuit in response to the write enable signal, for relaying input data via a bidirectional data line to the multi-port access memory cell and, in response to the read enable signal, for receiving the data stored in the multi-port access memory cell to thereby provide the stored data.

REFERENCES:
patent: 4891795 (1990-01-01), Pinkham et al.
patent: 5235552 (1993-08-01), Nakajima et al.
patent: 5257236 (1993-10-01), Sharp
patent: 5303200 (1994-04-01), Elrod et al.
patent: 5546569 (1996-08-01), Proebsting et al.
patent: 5555398 (1996-09-01), Raman
patent: 5777928 (1998-07-01), Vidwans et al.

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